# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0001193125-26-063080
**Filing Date:** 2026-2
**Character Count:** 63089
**Document Hash:** 630760eebe7d8d9fc3677069aebe2a66
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-063080.hdr.sgml**: 20260223

**ACCESSION NUMBER**: 0001193125-26-063080

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260223

**DATE AS OF CHANGE**: 20260223

**EFFECTIVENESS DATE**: 20260223

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RYDEX SERIES FUNDS
- **CENTRAL INDEX KEY:** 0000899148

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-59692
- **FILM NUMBER:** 26663039

**BUSINESS ADDRESS:**
- **STREET 1:** 702 KING FARM BOULEVARD
- **STREET 2:** SUITE 200
- **CITY:** ROCKVILLE
- **STATE:** MD
- **ZIP:** 20850
- **BUSINESS PHONE:** 301-296-5100

**MAIL ADDRESS:**
- **STREET 1:** 702 KING FARM BOULEVARD
- **STREET 2:** SUITE 200
- **CITY:** ROCKVILLE
- **STATE:** MD
- **ZIP:** 20850

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RYDEX DYNAMIC FUNDS
- **DATE OF NAME CHANGE:** 20170712

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RYDEX SERIES FUNDS
- **DATE OF NAME CHANGE:** 20000229

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RYDEX SERIES TRUST
- **DATE OF NAME CHANGE:** 19930714

## Series and Classes Contracts Data

### U.S. Government Money Market Fund (Series ID: S000003657)

---

|  |  |  |
|:---|:---|:---|
| Class Name                | Ticker Symbol | Class ID   |
| Money Market Class Shares | RYFXX         | C000113321 |

---

### Banking Fund (Series ID: S000003683)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYKIX         | C000010303 |
| Class H        | RYKAX         | C000010304 |
| Class A        | RYBKX         | C000010305 |
| Class C        | RYKCX         | C000010306 |

---

### Government Long Bond 1.2x Strategy Fund (Series ID: S000003684)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYGBX         | C000010307 |
| Class A        | RYABX         | C000010309 |
| Class C        | RYCGX         | C000010310 |
| Class H        | RYHBX         | C000149021 |

---

### Mid-Cap 1.5x Strategy Fund (Series ID: S000003685)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYMDX         | C000010311 |
| Class A    | RYAHX         | C000010312 |
| Class C    | RYDCX         | C000010313 |

---

### S&P 500 Pure Value Fund (Series ID: S000003688)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYZAX         | C000010320 |
| Class A    | RYLVX         | C000010321 |
| Class C    | RYVVX         | C000010322 |

---

### S&P 500 Pure Growth Fund (Series ID: S000003689)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYAWX         | C000010323 |
| Class A    | RYLGX         | C000010324 |
| Class C    | RYGRX         | C000010325 |

---

### Inverse Government Long Bond Strategy Fund (Series ID: S000003690)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYJUX         | C000010326 |
| Class A        | RYAQX         | C000010328 |
| Class C        | RYJCX         | C000010329 |
| Class H        | RYHJX         | C000149022 |

---

### Nova Fund (Series ID: S000003691)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYNVX         | C000010330 |
| Class A        | RYANX         | C000010332 |
| Class C        | RYNCX         | C000010333 |
| Class H        | RYNHX         | C000149023 |

---

### Inverse S&P 500 Strategy Fund (Series ID: S000003692)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYURX         | C000010334 |
| Class A        | RYARX         | C000010336 |
| Class C        | RYUCX         | C000010337 |
| Class H        | RYUHX         | C000149024 |

---

### NASDAQ-100 Fund (Series ID: S000003693)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYOCX         | C000010338 |
| Class A        | RYATX         | C000010340 |
| Class C        | RYCOX         | C000010341 |
| Class H        | RYHOX         | C000149025 |

---

### Inverse NASDAQ-100 Strategy Fund (Series ID: S000003694)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYAIX         | C000010342 |
| Class A        | RYAPX         | C000010344 |
| Class C        | RYACX         | C000010345 |
| Class H        | RYALX         | C000149026 |

---

### Europe 1.25x Strategy Fund (Series ID: S000003695)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYEUX         | C000010346 |
| Class A    | RYAEX         | C000010347 |
| Class C    | RYCEX         | C000010348 |

---

### Russell 2000 1.5x Strategy Fund (Series ID: S000003697)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYMKX         | C000010352 |
| Class A    | RYAKX         | C000010353 |
| Class C    | RYCMX         | C000010354 |

---

### S&P SmallCap 600 Pure Value Fund (Series ID: S000003760)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYAZX         | C000010429 |
| Class A    | RYSVX         | C000010430 |
| Class C    | RYYCX         | C000010431 |

---

### Weakening Dollar 2x Strategy Fund (Series ID: S000003761)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYWBX         | C000010432 |
| Class A    | RYWDX         | C000010433 |
| Class C    | RYWJX         | C000010434 |

---

### Guggenheim Multi-Hedge Strategies Fund (Series ID: S000003763)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Class P             | RYMSX         | C000010438 |
| Class A             | RYMQX         | C000010439 |
| Class C             | RYMRX         | C000010440 |
| Institutional Class | RYIMX         | C000088407 |

---

### S&P SmallCap 600 Pure Growth Fund (Series ID: S000003768)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYWAX         | C000010445 |
| Class A    | RYSGX         | C000010446 |
| Class C    | RYWCX         | C000010447 |

---

### S&P MidCap 400 Pure Value Fund (Series ID: S000003769)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYAVX         | C000010448 |
| Class A    | RYMVX         | C000010449 |
| Class C    | RYMMX         | C000010450 |

---

### S&P MidCap 400 Pure Growth Fund (Series ID: S000003770)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYBHX         | C000010451 |
| Class A    | RYMGX         | C000010452 |
| Class C    | RYCKX         | C000010453 |

---

### Inverse Mid-Cap Strategy Fund (Series ID: S000003771)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYMHX         | C000010454 |
| Class A    | RYAGX         | C000010455 |
| Class C    | RYCLX         | C000010456 |

---

### Inverse Russell 2000 Strategy Fund (Series ID: S000003772)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYSHX         | C000010457 |
| Class A    | RYAFX         | C000010458 |
| Class C    | RYCQX         | C000010459 |

---

### Real Estate Fund (Series ID: S000003773)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYHRX         | C000010460 |
| Class A    | RYREX         | C000010461 |
| Class C    | RYCRX         | C000010462 |

---

### Commodities Strategy Fund (Series ID: S000003774)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYMBX         | C000010463 |
| Class A    | RYMEX         | C000010464 |
| Class C    | RYMJX         | C000010465 |

---

### Strengthening Dollar 2x Strategy Fund (Series ID: S000003775)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYSBX         | C000010466 |
| Class A    | RYSDX         | C000010467 |
| Class C    | RYSJX         | C000010468 |

---

### Precious Metals Fund (Series ID: S000003798)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYPMX         | C000010578 |
| Class H        | RYMPX         | C000010579 |
| Class A        | RYMNX         | C000010580 |
| Class C        | RYZCX         | C000010581 |

---

### Telecommunications Fund (Series ID: S000003799)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYMIX         | C000010582 |
| Class H        | RYMAX         | C000010583 |
| Class A        | RYTLX         | C000010584 |
| Class C        | RYCSX         | C000010585 |

---

### Transportation Fund (Series ID: S000003800)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYPIX         | C000010586 |
| Class H        | RYPAX         | C000010587 |
| Class A        | RYTSX         | C000010588 |
| Class C        | RYCNX         | C000010589 |

---

### Energy Services Fund (Series ID: S000003801)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYVIX         | C000010590 |
| Class H        | RYVAX         | C000010591 |
| Class A        | RYESX         | C000010592 |
| Class C        | RYVCX         | C000010593 |

---

### Biotechnology Fund (Series ID: S000003802)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYOIX         | C000010594 |
| Class H        | RYOAX         | C000010595 |
| Class A        | RYBOX         | C000010596 |
| Class C        | RYCFX         | C000010597 |

---

### Electronics Fund (Series ID: S000003803)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYSIX         | C000010598 |
| Class H        | RYSAX         | C000010599 |
| Class A        | RYELX         | C000010600 |
| Class C        | RYSCX         | C000010601 |

---

### Internet Fund (Series ID: S000003804)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYIIX         | C000010602 |
| Class H        | RYIAX         | C000010603 |
| Class A        | RYINX         | C000010604 |
| Class C        | RYICX         | C000010605 |

---

### Utilities Fund (Series ID: S000003805)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYUIX         | C000010606 |
| Class H        | RYAUX         | C000010607 |
| Class A        | RYUTX         | C000010608 |
| Class C        | RYCUX         | C000010609 |

---

### Energy Fund (Series ID: S000003806)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYEIX         | C000010610 |
| Class H        | RYEAX         | C000010611 |
| Class A        | RYENX         | C000010612 |
| Class C        | RYECX         | C000010613 |

---

### Financial Services Fund (Series ID: S000003807)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYFIX         | C000010614 |
| Class H        | RYFAX         | C000010615 |
| Class A        | RYFNX         | C000010616 |
| Class C        | RYFCX         | C000010617 |

---

### Health Care Fund (Series ID: S000003808)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYHIX         | C000010618 |
| Class H        | RYHAX         | C000010619 |
| Class A        | RYHEX         | C000010620 |
| Class C        | RYHCX         | C000010621 |

---

### Technology Fund (Series ID: S000003809)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYTIX         | C000010622 |
| Class H        | RYTAX         | C000010623 |
| Class A        | RYTHX         | C000010624 |
| Class C        | RYCHX         | C000010625 |

---

### Basic Materials Fund (Series ID: S000003810)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYBIX         | C000010626 |
| Class H        | RYBAX         | C000010627 |
| Class A        | RYBMX         | C000010628 |
| Class C        | RYBCX         | C000010629 |

---

### Consumer Products Fund (Series ID: S000003811)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYCIX         | C000010630 |
| Class H        | RYCAX         | C000010631 |
| Class A        | RYPDX         | C000010632 |
| Class C        | RYCPX         | C000010633 |

---

### Leisure Fund (Series ID: S000003812)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYLIX         | C000010634 |
| Class H        | RYLAX         | C000010635 |
| Class A        | RYLSX         | C000010636 |
| Class C        | RYLCX         | C000010637 |

---

### Retailing Fund (Series ID: S000003813)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | RYRIX         | C000010638 |
| Class H        | RYRAX         | C000010639 |
| Class A        | RYRTX         | C000010640 |
| Class C        | RYRCX         | C000010641 |

---

### S&P 500 Fund (Series ID: S000012221)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYSOX         | C000033368 |
| Class C    | RYSYX         | C000033369 |
| Class H    | RYSPX         | C000033370 |

---

### Russell 2000 Fund (Series ID: S000012222)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYRRX         | C000033371 |
| Class C    | RYROX         | C000033372 |
| Class H    | RYRHX         | C000033373 |

---

### Guggenheim Managed Futures Strategy Fund (Series ID: S000014094)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Class P             | RYMFX         | C000038557 |
| Class A             | RYMTX         | C000039064 |
| Class C             | RYMZX         | C000039065 |
| Institutional Class | RYIFX         | C000088408 |

---

### High Yield Strategy Fund (Series ID: S000015881)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYHDX         | C000043615 |
| Class C    | RYHHX         | C000043616 |
| Class H    | RYHGX         | C000043617 |

---

### Inverse High Yield Strategy Fund (Series ID: S000015882)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYILX         | C000043618 |
| Class C    | RYIYX         | C000043619 |
| Class H    | RYIHX         | C000043620 |

---

### Emerging Markets 2x Strategy Fund (Series ID: S000018291)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYWTX         | C000050422 |
| Class C    | RYWUX         | C000050423 |
| Class H    | RYWVX         | C000050424 |

---

### Inverse Emerging Markets 2x Strategy Fund (Series ID: S000018292)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYWWX         | C000050425 |
| Class C    | RYWZX         | C000050426 |
| Class H    | RYWYX         | C000050427 |

---

### Japan 2x Strategy Fund (Series ID: S000018293)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYJSX         | C000050428 |
| Class C    | RYJTX         | C000050429 |
| Class H    | RYJHX         | C000050430 |

---

### Emerging Markets Bond Strategy Fund (Series ID: S000041673)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | RYIEX         | C000129378 |
| Class C    | RYFTX         | C000129379 |
| Class H    | RYGTX         | C000129380 |

---

### Monthly Rebalance NASDAQ-100 2x Strategy Fund (Series ID: S000047391)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RMQHX         | C000148762 |
| Class A    | RMQAX         | C000148763 |
| Class C    | RMQCX         | C000148764 |

---

### Dow Jones Industrial Average Fund (Series ID: S000051596)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class H    | RYDHX         | C000162316 |
| Class A    | RYDAX         | C000162317 |
| Class C    | RYDKX         | C000162318 |

---

## Series and Classes Contracts Data

### U.S. Government Money Market Fund (Series ID: S000003657)

| Class ID   | Class Name                | Ticker Symbol   |
|:---|:---|:---|
| C000113321 | Money Market Class Shares | RYFXX           |

### Banking Fund (Series ID: S000003683)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010303 | Investor Class | RYKIX           |
| C000010304 | Class H        | RYKAX           |
| C000010305 | Class A        | RYBKX           |
| C000010306 | Class C        | RYKCX           |

### Government Long Bond 1.2x Strategy Fund (Series ID: S000003684)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010307 | Investor Class | RYGBX           |
| C000010309 | Class A        | RYABX           |
| C000010310 | Class C        | RYCGX           |
| C000149021 | Class H        | RYHBX           |

### Mid-Cap 1.5x Strategy Fund (Series ID: S000003685)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010311 | Class H      | RYMDX           |
| C000010312 | Class A      | RYAHX           |
| C000010313 | Class C      | RYDCX           |

### S&P 500 Pure Value Fund (Series ID: S000003688)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010320 | Class H      | RYZAX           |
| C000010321 | Class A      | RYLVX           |
| C000010322 | Class C      | RYVVX           |

### S&P 500 Pure Growth Fund (Series ID: S000003689)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010323 | Class H      | RYAWX           |
| C000010324 | Class A      | RYLGX           |
| C000010325 | Class C      | RYGRX           |

### Inverse Government Long Bond Strategy Fund (Series ID: S000003690)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010326 | Investor Class | RYJUX           |
| C000010328 | Class A        | RYAQX           |
| C000010329 | Class C        | RYJCX           |
| C000149022 | Class H        | RYHJX           |

### Nova Fund (Series ID: S000003691)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010330 | Investor Class | RYNVX           |
| C000010332 | Class A        | RYANX           |
| C000010333 | Class C        | RYNCX           |
| C000149023 | Class H        | RYNHX           |

### Inverse S&P 500 Strategy Fund (Series ID: S000003692)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010334 | Investor Class | RYURX           |
| C000010336 | Class A        | RYARX           |
| C000010337 | Class C        | RYUCX           |
| C000149024 | Class H        | RYUHX           |

### NASDAQ-100 Fund (Series ID: S000003693)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010338 | Investor Class | RYOCX           |
| C000010340 | Class A        | RYATX           |
| C000010341 | Class C        | RYCOX           |
| C000149025 | Class H        | RYHOX           |

### Inverse NASDAQ-100 Strategy Fund (Series ID: S000003694)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010342 | Investor Class | RYAIX           |
| C000010344 | Class A        | RYAPX           |
| C000010345 | Class C        | RYACX           |
| C000149026 | Class H        | RYALX           |

### Europe 1.25x Strategy Fund (Series ID: S000003695)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010346 | Class H      | RYEUX           |
| C000010347 | Class A      | RYAEX           |
| C000010348 | Class C      | RYCEX           |

### Russell 2000 1.5x Strategy Fund (Series ID: S000003697)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010352 | Class H      | RYMKX           |
| C000010353 | Class A      | RYAKX           |
| C000010354 | Class C      | RYCMX           |

### S&P SmallCap 600 Pure Value Fund (Series ID: S000003760)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010429 | Class H      | RYAZX           |
| C000010430 | Class A      | RYSVX           |
| C000010431 | Class C      | RYYCX           |

### Weakening Dollar 2x Strategy Fund (Series ID: S000003761)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010432 | Class H      | RYWBX           |
| C000010433 | Class A      | RYWDX           |
| C000010434 | Class C      | RYWJX           |

### Guggenheim Multi-Hedge Strategies Fund (Series ID: S000003763)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000010438 | Class P             | RYMSX           |
| C000010439 | Class A             | RYMQX           |
| C000010440 | Class C             | RYMRX           |
| C000088407 | Institutional Class | RYIMX           |

### S&P SmallCap 600 Pure Growth Fund (Series ID: S000003768)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010445 | Class H      | RYWAX           |
| C000010446 | Class A      | RYSGX           |
| C000010447 | Class C      | RYWCX           |

### S&P MidCap 400 Pure Value Fund (Series ID: S000003769)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010448 | Class H      | RYAVX           |
| C000010449 | Class A      | RYMVX           |
| C000010450 | Class C      | RYMMX           |

### S&P MidCap 400 Pure Growth Fund (Series ID: S000003770)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010451 | Class H      | RYBHX           |
| C000010452 | Class A      | RYMGX           |
| C000010453 | Class C      | RYCKX           |

### Inverse Mid-Cap Strategy Fund (Series ID: S000003771)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010454 | Class H      | RYMHX           |
| C000010455 | Class A      | RYAGX           |
| C000010456 | Class C      | RYCLX           |

### Inverse Russell 2000 Strategy Fund (Series ID: S000003772)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010457 | Class H      | RYSHX           |
| C000010458 | Class A      | RYAFX           |
| C000010459 | Class C      | RYCQX           |

### Real Estate Fund (Series ID: S000003773)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010460 | Class H      | RYHRX           |
| C000010461 | Class A      | RYREX           |
| C000010462 | Class C      | RYCRX           |

### Commodities Strategy Fund (Series ID: S000003774)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010463 | Class H      | RYMBX           |
| C000010464 | Class A      | RYMEX           |
| C000010465 | Class C      | RYMJX           |

### Strengthening Dollar 2x Strategy Fund (Series ID: S000003775)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010466 | Class H      | RYSBX           |
| C000010467 | Class A      | RYSDX           |
| C000010468 | Class C      | RYSJX           |

### Precious Metals Fund (Series ID: S000003798)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010578 | Investor Class | RYPMX           |
| C000010579 | Class H        | RYMPX           |
| C000010580 | Class A        | RYMNX           |
| C000010581 | Class C        | RYZCX           |

### Telecommunications Fund (Series ID: S000003799)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010582 | Investor Class | RYMIX           |
| C000010583 | Class H        | RYMAX           |
| C000010584 | Class A        | RYTLX           |
| C000010585 | Class C        | RYCSX           |

### Transportation Fund (Series ID: S000003800)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010586 | Investor Class | RYPIX           |
| C000010587 | Class H        | RYPAX           |
| C000010588 | Class A        | RYTSX           |
| C000010589 | Class C        | RYCNX           |

### Energy Services Fund (Series ID: S000003801)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010590 | Investor Class | RYVIX           |
| C000010591 | Class H        | RYVAX           |
| C000010592 | Class A        | RYESX           |
| C000010593 | Class C        | RYVCX           |

### Biotechnology Fund (Series ID: S000003802)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010594 | Investor Class | RYOIX           |
| C000010595 | Class H        | RYOAX           |
| C000010596 | Class A        | RYBOX           |
| C000010597 | Class C        | RYCFX           |

### Electronics Fund (Series ID: S000003803)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010598 | Investor Class | RYSIX           |
| C000010599 | Class H        | RYSAX           |
| C000010600 | Class A        | RYELX           |
| C000010601 | Class C        | RYSCX           |

### Internet Fund (Series ID: S000003804)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010602 | Investor Class | RYIIX           |
| C000010603 | Class H        | RYIAX           |
| C000010604 | Class A        | RYINX           |
| C000010605 | Class C        | RYICX           |

### Utilities Fund (Series ID: S000003805)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010606 | Investor Class | RYUIX           |
| C000010607 | Class H        | RYAUX           |
| C000010608 | Class A        | RYUTX           |
| C000010609 | Class C        | RYCUX           |

### Energy Fund (Series ID: S000003806)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010610 | Investor Class | RYEIX           |
| C000010611 | Class H        | RYEAX           |
| C000010612 | Class A        | RYENX           |
| C000010613 | Class C        | RYECX           |

### Financial Services Fund (Series ID: S000003807)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010614 | Investor Class | RYFIX           |
| C000010615 | Class H        | RYFAX           |
| C000010616 | Class A        | RYFNX           |
| C000010617 | Class C        | RYFCX           |

### Health Care Fund (Series ID: S000003808)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010618 | Investor Class | RYHIX           |
| C000010619 | Class H        | RYHAX           |
| C000010620 | Class A        | RYHEX           |
| C000010621 | Class C        | RYHCX           |

### Technology Fund (Series ID: S000003809)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010622 | Investor Class | RYTIX           |
| C000010623 | Class H        | RYTAX           |
| C000010624 | Class A        | RYTHX           |
| C000010625 | Class C        | RYCHX           |

### Basic Materials Fund (Series ID: S000003810)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010626 | Investor Class | RYBIX           |
| C000010627 | Class H        | RYBAX           |
| C000010628 | Class A        | RYBMX           |
| C000010629 | Class C        | RYBCX           |

### Consumer Products Fund (Series ID: S000003811)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010630 | Investor Class | RYCIX           |
| C000010631 | Class H        | RYCAX           |
| C000010632 | Class A        | RYPDX           |
| C000010633 | Class C        | RYCPX           |

### Leisure Fund (Series ID: S000003812)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010634 | Investor Class | RYLIX           |
| C000010635 | Class H        | RYLAX           |
| C000010636 | Class A        | RYLSX           |
| C000010637 | Class C        | RYLCX           |

### Retailing Fund (Series ID: S000003813)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010638 | Investor Class | RYRIX           |
| C000010639 | Class H        | RYRAX           |
| C000010640 | Class A        | RYRTX           |
| C000010641 | Class C        | RYRCX           |

### S&P 500 Fund (Series ID: S000012221)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000033368 | Class A      | RYSOX           |
| C000033369 | Class C      | RYSYX           |
| C000033370 | Class H      | RYSPX           |

### Russell 2000 Fund (Series ID: S000012222)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000033371 | Class A      | RYRRX           |
| C000033372 | Class C      | RYROX           |
| C000033373 | Class H      | RYRHX           |

### Guggenheim Managed Futures Strategy Fund (Series ID: S000014094)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000038557 | Class P             | RYMFX           |
| C000039064 | Class A             | RYMTX           |
| C000039065 | Class C             | RYMZX           |
| C000088408 | Institutional Class | RYIFX           |

### High Yield Strategy Fund (Series ID: S000015881)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000043615 | Class A      | RYHDX           |
| C000043616 | Class C      | RYHHX           |
| C000043617 | Class H      | RYHGX           |

### Inverse High Yield Strategy Fund (Series ID: S000015882)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000043618 | Class A      | RYILX           |
| C000043619 | Class C      | RYIYX           |
| C000043620 | Class H      | RYIHX           |

### Emerging Markets 2x Strategy Fund (Series ID: S000018291)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000050422 | Class A      | RYWTX           |
| C000050423 | Class C      | RYWUX           |
| C000050424 | Class H      | RYWVX           |

### Inverse Emerging Markets 2x Strategy Fund (Series ID: S000018292)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000050425 | Class A      | RYWWX           |
| C000050426 | Class C      | RYWZX           |
| C000050427 | Class H      | RYWYX           |

### Japan 2x Strategy Fund (Series ID: S000018293)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000050428 | Class A      | RYJSX           |
| C000050429 | Class C      | RYJTX           |
| C000050430 | Class H      | RYJHX           |

### Emerging Markets Bond Strategy Fund (Series ID: S000041673)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000129378 | Class A      | RYIEX           |
| C000129379 | Class C      | RYFTX           |
| C000129380 | Class H      | RYGTX           |

### Monthly Rebalance NASDAQ-100 2x Strategy Fund (Series ID: S000047391)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000148762 | Class H      | RMQHX           |
| C000148763 | Class A      | RMQAX           |
| C000148764 | Class C      | RMQCX           |

### Dow Jones Industrial Average Fund (Series ID: S000051596)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000162316 | Class H      | RYDHX           |
| C000162317 | Class A      | RYDAX           |
| C000162318 | Class C      | RYDKX           |

**Rydex Series Funds** 

**702 King Farm Blvd., Suite 200** 

**Rockville, Maryland 20850** 

**Supplement Dated February 23, 2026** 

**to the currently effective Rydex Series Funds Statutory Prospectuses dated May 1, 2025, as supplemented from time to time (each, a "Prospectus")** 

**This supplement provides updated information beyond that contained in the Prospectus and should be read in conjunction with the Prospectus.**

On February 23, 2026, The Bank of New York Mellon ("BNY"), located at 240 Greenwich Street, New York, New York 10186, replaced MUFG Investor Services (US) LLC ("MUIS") as transfer agent to Rydex Series Funds (the "Trust" and each series of the Trust, a "Fund" and, collectively, the "Funds").

In view of the foregoing, references in the Prospectus to MUIS as transfer agent to the Funds are hereby replaced with BNY as context requires.

In addition, each Prospectus is revised as described below.

**The table in the section of the Prospectus titled "Buying Fund Shares—PURCHASE PROCEDURES" is hereby replaced with the following:** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | ***Initial Purchase*** | ***Subsequent Purchases*** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | &nbsp;&nbsp; Complete the account application that corresponds to the type of account you are opening.<br> • Make sure to designate the Fund(s) you want to purchase.<br>• Make sure your investment meets the account minimum.<br>| &nbsp;&nbsp; Complete the Guggenheim Investments investment slip included with your quarterly statement or send written purchase instructions that include:<br> • Your name.<br>• Your shareholder account number.<br>• The Fund(s) you want to purchase.<br>|
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Make your check payable to **Guggenheim Investments**. | Make your check payable to **Guggenheim Investments**. |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Your check must be drawn on a U.S. bank and payable in U.S. dollars. | Your check must be drawn on a U.S. bank and payable in U.S. dollars. |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Include the name of the Fund(s) you want to purchase on your check.<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund, which is offered in a separate prospectus.** | Include the name of the Fund(s) you want to purchase on your check.<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund, which is offered in a separate prospectus.** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Mail your application and check to: | Mail your written purchase instructions and check to: |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | **Mailing Addresses:** | **Mailing Addresses:** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |

---

------

---

| | | |
|:---|:---|:---|
|  | ***Initial Purchase*** | ***Subsequent Purchases*** |
|  | &nbsp;&nbsp; Complete and submit the account application that corresponds to the type of account you are opening.<br>Contact Guggenheim Investments Client Services at 1-800-820-0888 to obtain your new account number.<br>Use the wire instructions below to send your wire.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure to designate the Fund(s) you want to purchase.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure your investment meets the account minimum.<br>| Be sure to designate your wire instructions to the Fund(s) you want to purchase. |
|  <br> **BY WIRE** | &nbsp;&nbsp; To obtain "same-day credit" (to get that Business Day's NAV) for your purchase order, ***you should call Guggenheim Investments Client Services and provide the following information prior to the transaction cut-off time for the Fund(s) you are purchasing:***<br> • Account Number<br>• Fund Name<br>• Amount of Wire<br>• Fed Wire Reference Number (upon request)<br>You will receive a confirmation number to verify that your purchase order has been accepted. ***If you do not notify Guggenheim Investments Client Services of the incoming wire, your purchase order may not be processed until the Business Day following the receipt of the wire.***<br>**Wire Instructions:**<br> The Bank of New York Mellon<br> 500 Ross St.<br> Pittsburgh, PA 15262<br> ABA: 011001234<br> Account: 054100<br> Ref: Guggenheim Fund / Account<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund, which is offered in a separate prospectus.** | &nbsp;&nbsp; To obtain "same-day credit" (to get that Business Day's NAV) for your purchase order, ***you should call Guggenheim Investments Client Services and provide the following information prior to the transaction cut-off time for the Fund(s) you are purchasing:***<br> • Account Number<br>• Fund Name<br>• Amount of Wire<br>• Fed Wire Reference Number (upon request)<br>You will receive a confirmation number to verify that your purchase order has been accepted. ***If you do not notify Guggenheim Investments Client Services of the incoming wire, your purchase order may not be processed until the Business Day following the receipt of the wire.***<br>**Wire Instructions:**<br> The Bank of New York Mellon<br> 500 Ross St.<br> Pittsburgh, PA 15262<br> ABA: 011001234<br> Account: 054100<br> Ref: Guggenheim Fund / Account<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund, which is offered in a separate prospectus.** |
|  | ***Initial Purchase*** | ***Subsequent Purchases*** |
| &nbsp;&nbsp; <br> **BY ACH**<br> **(FAX/MAIL)** | Submit a new account application. Be sure to complete the "Electronic Investing via ACH" section. If you are establishing an Individual, Joint, or UGMA/UTMA account, you may fax the application to Guggenheim | Subsequent purchases made via ACH must be a minimum of $20. A maximum of $50,000 is allowed to be purchased via ACH per day. To make a subsequent purchase send written purchase instructions that include: |

---

------

---

| | | |
|:---|:---|:---|
|  | &nbsp;&nbsp; Investments at 1-855-671-8280. All other applications should be mailed.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure to designate the Fund(s) you want to purchase.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure your investment meets the account minimum.<br>| &nbsp;&nbsp;&nbsp; • Your name<br>• Your shareholder account number<br>• The Fund(s) you want to purchase<br>• ACH bank information (if not on record).<br>|
|  | **Mailing Addresses:** | **Mailing Addresses:** |
|  | **Standard Delivery** | **Overnight Delivery** |
|  | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp; **BY ACH**<br> **(INTERNET)** | Purchase payments may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, log-in to your account https://my.accessportals.com/app/gug/login (Active Investor) or https://my.accessportals.com/app/avc/login (Advisors/Brokers). If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com website, and follow the instructions for adding bank instructions. | Purchase payments may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, log-in to your account https://my.accessportals.com/app/gug/login (Active Investor) or https://my.accessportals.com/app/avc/login (Advisors/Brokers). If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com website, and follow the instructions for adding bank instructions. |

---

**The table in the section of the Prospectus titled "Selling Fund Shares—REDEMPTION PROCEDURES" is hereby replaced with the following:** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **BY MAIL** | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp; **BY MAIL** | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp; **BY FAX** | 1-855-671-8280<br>If you send your redemption order by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. | 1-855-671-8280<br>If you send your redemption order by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. |
| &nbsp;&nbsp; **BY TELEPHONE** | 1-800-820-0888 (not available for retirement accounts) | 1-800-820-0888 (not available for retirement accounts) |
| &nbsp;&nbsp; **BY ACH** | Redemption proceeds may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, you may submit your redemption request via mail or telephone using the mailing addresses and telephone number provided above.<br>If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com site and follow the instructions for adding bank instructions.<br>A maximum of $50,000 is allowed to be redeemed via ACH per day. | Redemption proceeds may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, you may submit your redemption request via mail or telephone using the mailing addresses and telephone number provided above.<br>If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com site and follow the instructions for adding bank instructions.<br>A maximum of $50,000 is allowed to be redeemed via ACH per day. |

---

------

**The information contained in the section of the Prospectus titled "Selling Fund Shares—UNCASHED CHECK POLICY" is hereby replaced with the following:** 

Uncashed dividend, capital gain, or redemption checks will be handled in accordance with applicable law. The Funds may be required to transfer assets related to uncashed checks to a state under the state's escheatment or abandoned property laws.

**The table in the section of the Prospectus titled "Exchanging Fund Shares—EXCHANGE PROCEDURES" is hereby replaced with the following:** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**BY MAIL** | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp;&nbsp;**BY MAIL** | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp; **BY FAX** | 1-855-671-8280<br>If you send your exchange request by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. | 1-855-671-8280<br>If you send your exchange request by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. |
| &nbsp;&nbsp; **BY TELEPHONE** | 1-800-820-0888 | 1-800-820-0888 |
| &nbsp;&nbsp; **BY INTERNET** | Follow the directions on the Guggenheim Investments website – visit https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). | Follow the directions on the Guggenheim Investments website – visit https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). |

---

**The fee for bounced draft checks or ACH transactions in the section titled "Account Policies—SERVICE AND OTHER FEES" is hereby replaced with the following:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• $50 for bounced draft checks or ACH transactions

**The mailing address for Guggenheim Investments is replaced with the following in each instance in which it appears in the section titled "For More Information":** 

Guggenheim Investments

PO Box 534493

Pittsburgh, PA 15253-4493

**The telephone number 301.296.5100 referenced in the "Buying, Selling and Exchanging Fund Shares" and "Account Policies" sections of the Prospectus is hereby deleted.** 

For requests or inquiries by telephone, please call 1-800-820-0888.

- - - - - - -

**Please retain this supplement for future reference.** 

SUPP-BNY-RSF1-0226x0526

------

**Rydex Series Funds** 

**702 King Farm Blvd., Suite 200** 

**Rockville, Maryland 20850** 

**Supplement Dated February 23, 2026** 

**to the currently effective Rydex Series Funds Statutory Prospectuses dated August 1, 2025, as supplemented from time to time (each, a "Prospectus")** 

**This supplement provides updated information beyond that contained in the Prospectus and should be read in conjunction with the Prospectus.**

On February 23, 2026, The Bank of New York Mellon ("BNY"), located at 240 Greenwich Street, New York, New York 10186, replaced MUFG Investor Services (US) LLC ("MUIS") as transfer agent to Rydex Series Funds (the "Trust" and each series of the Trust, a "Fund" and, collectively, the "Funds").

In view of the foregoing, references in the Prospectus to MUIS as transfer agent to the Funds are hereby replaced with BNY as context requires.

In addition, each Prospectus is revised as described below.

**The table in the section of the Prospectus titled "Buying Fund Shares—PURCHASE PROCEDURES" is hereby replaced with the following:** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | ***Initial Purchase*** | ***Subsequent Purchases*** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | &nbsp;&nbsp; Complete the account application that corresponds to the type of account you are opening.<br> • Make sure to designate the Fund(s) you want to purchase.<br>• Make sure your investment meets the account minimum.<br>| &nbsp;&nbsp; Complete the Guggenheim Investments investment slip included with your quarterly statement or send written purchase instructions that include:<br> • Your name.<br>• Your shareholder account number.<br>• The Fund(s) you want to purchase.<br>|
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Make your check payable to **Guggenheim Investments**. | Make your check payable to **Guggenheim Investments**. |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Your check must be drawn on a U.S. bank and payable in U.S. dollars. | Your check must be drawn on a U.S. bank and payable in U.S. dollars. |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Include the name of the Fund(s) you want to purchase on your check.<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund.** | Include the name of the Fund(s) you want to purchase on your check.<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund.** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Mail your application and check to: | Mail your written purchase instructions and check to: |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | **Mailing Addresses:** | **Mailing Addresses:** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp; **BY MAIL**<br>*IRA and other retirement accounts require additional paperwork.*<br>*Call Guggenheim Investments Client Services to request a Retirement Account Investor application kit.* | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |

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|:---|:---|:---|
| &nbsp;&nbsp; **BY WIRE** | ***Initial Purchase*** | ***Subsequent Purchases*** |
| &nbsp;&nbsp; **BY WIRE** | &nbsp;&nbsp; Complete and submit the account application that corresponds to the type of account you are opening.<br>Contact Guggenheim Investments Client Services at 1-800-820-0888 to obtain your new account number.<br>Use the wire instructions below to send your wire.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure to designate the Fund(s) you want to purchase.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure your investment meets the account minimum.<br>| Be sure to designate your wire instructions to the Fund(s) you want to purchase. |
| &nbsp;&nbsp; **BY WIRE** | &nbsp;&nbsp; To obtain "same-day credit" (to get that Business Day's NAV) for your purchase order, ***you should call Guggenheim Investments Client Services and provide the following information prior to the transaction cut-off time for the Fund(s) you are purchasing:***<br> • Account Number<br>• Fund Name<br>• Amount of Wire<br>• Fed Wire Reference Number (upon request)<br>You will receive a confirmation number to verify that your purchase order has been accepted. ***If you do not notify Guggenheim Investments Client Services of the incoming wire, your purchase order may not be processed until the Business Day following the receipt of the wire***.<br>**Wire Instructions:**<br> The Bank of New York Mellon<br> 500 Ross St.<br> Pittsburgh, PA 15262<br> ABA: 011001234<br> Account: 054100<br> Ref: Guggenheim Fund / Account<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund.** | &nbsp;&nbsp; To obtain "same-day credit" (to get that Business Day's NAV) for your purchase order, ***you should call Guggenheim Investments Client Services and provide the following information prior to the transaction cut-off time for the Fund(s) you are purchasing:***<br> • Account Number<br>• Fund Name<br>• Amount of Wire<br>• Fed Wire Reference Number (upon request)<br>You will receive a confirmation number to verify that your purchase order has been accepted. ***If you do not notify Guggenheim Investments Client Services of the incoming wire, your purchase order may not be processed until the Business Day following the receipt of the wire***.<br>**Wire Instructions:**<br> The Bank of New York Mellon<br> 500 Ross St.<br> Pittsburgh, PA 15262<br> ABA: 011001234<br> Account: 054100<br> Ref: Guggenheim Fund / Account<br>**If you do not specify the Fund(s) you want to purchase, your investment generally will be credited to the Rydex U.S. Government Money Market Fund.** |
| &nbsp;&nbsp; **BY ACH (FAX/MAIL)** | ***Initial Purchase*** | ***Subsequent Purchases*** |
| &nbsp;&nbsp; **BY ACH (FAX/MAIL)** | Submit a new account application. Be sure to complete the "Electronic Investing via ACH" section. If you are establishing an Individual, Joint, | Subsequent purchases made via ACH must be a minimum of $20. A maximum of $50,000 is allowed to be purchased via ACH per day. To make |

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| | | |
|:---|:---|:---|
|  | &nbsp;&nbsp; or UGMA/UTMA account, you may fax the application to Guggenheim Investments at 1-855-671-8280. All other applications should be mailed.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure to designate the Fund(s) you want to purchase.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Make sure your investment meets the account minimum.<br>| &nbsp;&nbsp;&nbsp; a subsequent purchase send written purchase instructions that include:<br> • Your name<br>• Your shareholder account number<br>• The Fund(s) you want to purchase<br>• ACH bank information (if not on record).<br>|
|  | **Mailing Addresses:** | **Mailing Addresses:** |
|  | **Standard Delivery** | **Overnight Delivery** |
|  | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp;&nbsp;**BY ACH (INTERNET)** | Purchase payments may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, log-in to your account https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com website, and follow the instructions for adding bank instructions. | Purchase payments may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, log-in to your account https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com website, and follow the instructions for adding bank instructions. |

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**The table in the section of the Prospectus titled "Selling Fund Shares—REDEMPTION PROCEDURES" is hereby replaced with the following:** 

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **BY MAIL** | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp; **BY MAIL** | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp; **BY FAX** | 1-855-671-8280<br>If you send your redemption order by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. | 1-855-671-8280<br>If you send your redemption order by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. |
| &nbsp;&nbsp; **BY TELEPHONE** | 1-800-820-0888 (not available for retirement accounts) | 1-800-820-0888 (not available for retirement accounts) |
| &nbsp;&nbsp; **BY ACH** | Redemption proceeds may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, you may submit your redemption request via mail or telephone using the mailing addresses and telephone number provided above.<br>If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com site and follow the instructions for adding bank instructions. | Redemption proceeds may be sent via ACH only if you have existing ACH instructions on file. If you have existing ACH instructions on file, you may submit your redemption request via mail or telephone using the mailing addresses and telephone number provided above.<br>If you currently do not have ACH instructions on file, download the Bank Information and Alternate Payee Form from the www.guggenheiminvestments.com site and follow the instructions for adding bank instructions. |

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<br> A maximum of $50,000 is allowed to be redeemed via ACH per day.<br>

**The information contained in the section of the Prospectus titled "Selling Fund Shares—UNCASHED CHECK POLICY" is hereby replaced with the following:** 

Uncashed dividend, capital gain, or redemption checks will be handled in accordance with applicable law. The Funds may be required to transfer assets related to uncashed checks to a state under the state's escheatment or abandoned property laws.

**The table in the section of the Prospectus titled "Exchanging Fund Shares—EXCHANGE PROCEDURES" is hereby replaced with the following:** 

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**BY MAIL** | **Standard Delivery** | **Overnight Delivery** |
| &nbsp;&nbsp;&nbsp;**BY MAIL** | Guggenheim Investments<br> PO Box 534493<br> Pittsburgh, PA 15253-4493 | Guggenheim Investments<br> Attention: 534493<br> 500 Ross Street 154-0520<br> Pittsburgh, PA 15262 |
| &nbsp;&nbsp; **BY FAX** | 1-855-671-8280<br>If you send your exchange request by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. | 1-855-671-8280<br>If you send your exchange request by fax, you must call Guggenheim Investments Client Services at 1-800-820-0888 to verify that your fax was received and when it will be processed. |
| &nbsp;&nbsp; **BY TELEPHONE** | 1-800-820-0888 | 1-800-820-0888 |
| &nbsp;&nbsp; **BY INTERNET** | Follow the directions on the Guggenheim Investments website – visit<br> https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). | Follow the directions on the Guggenheim Investments website – visit<br> https://my.accessportals.com/app/gug/login (Active Investor) or<br> https://my.accessportals.com/app/avc/login (Advisors/Brokers). |

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**The fee for bounced draft checks or ACH transactions in the section titled "Account Policies—SERVICE AND OTHER FEES" is hereby replaced with the following:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• $50 for bounced draft checks or ACH transactions

**The mailing address for Guggenheim Investments is replaced with the following in each instance in which it appears in the section titled "For More Information":** 

Guggenheim Investments

PO Box 534493

Pittsburgh, PA 15253-4493

**The telephone number 301.296.5100 referenced in the "Buying, Selling and Exchanging Fund Shares" and "Account Policies" sections of the Prospectus is hereby deleted.** 

For requests or inquiries by telephone, please call 1-800-820-0888.

- - - - - - -

**Please retain this supplement for future reference.** 

SUPP-BNY-RSF-0226x0826

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**Rydex Series Funds** 

**702 King Farm Blvd., Suite 200** 

**Rockville, Maryland 20850** 

**Supplement Dated February 23, 2026** 

**to the currently effective Rydex Series Funds Statements of Additional Information dated May 1, 2025 and August 1, 2025, as supplemented from time to time (together, the "SAIs")** 

**This supplement provides updated information beyond that contained in the SAIs and should be read in conjunction with the SAIs.**

On February 23, 2026, The Bank of New York Mellon ("BNY"), located at 240 Greenwich Street, New York, New York 10286, replaced MUFG Investor Services (US), LLC ("MUIS") as administrative/accounting agent and transfer agent to each series (each, a "Fund" and collectively, the "Funds") of Rydex Series Funds (the "Trust").

Pursuant to a Fund Accounting and Administration Agreement with the Trust, as may be amended and/or restated time to time, BNY performs administrative functions and bookkeeping, accounting and pricing functions for the Funds. For these services, BNY receives a fee, accrued daily and paid monthly, based on average daily net assets of the Funds, subject to a minimum fee per year. The Funds also reimburse BNY for certain out-of-pocket expenses.

Additionally, pursuant to a Transfer Agency and Shareholder Services Agreement with the Trust, as may be amended and/or restated time to time, BNY performs all shareholder servicing functions, including processing purchase and redemption transactions, processing transfer and exchanges, maintenance of shareholder accounts, answering inquiries, supporting the mailing and e-delivery of shareholder communications, and acting as the dividend disbursing agent.

In view of the foregoing, references to MUIS as administrative/accounting agent and transfer agent to the Funds are hereby replaced with BNY as context requires.

In addition, references in the SAIs to the telephone number 301.296.5100 are hereby deleted. For requests or inquiries by telephone, please call 1-800-820-0888.

**Please retain this supplement for future reference.** 

SUPP-BNY-RSF2-0226x0826