# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000940400-26-022999
**Filing Date:** 2026-6
**Character Count:** 23472
**Document Hash:** 2228a5e74ab798dc1ab497ffe5322c41
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-022999.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0000940400-26-022999

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260601

**DATE AS OF CHANGE**: 20260601

**PERIOD START**: 20260331

**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:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-07584
- **FILM NUMBER:** 261048764

**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

### 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           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Rydex Series Funds

- **b. Investment Company Act file number:** 811-07584

- **c. CIK number of Registrant:** 0000899148

- **d. LEI of Registrant:** 5493004D62WV1EDNTU07

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 702 KING FARM BOULEVARD

  - **City:** ROCKVILLE

  - **State:** MD

  - **Foreign country:** US

  - **Zip / Postal Code:** 20850

  - **Telephone number:** 301-296-5100

**Item A.2. Information about the Series.**

- **a. Name of Series:** Utilities Fund

- **b. EDGAR series identifier (if any):** S000003805

- **c. LEI of Series:** 549300MX9ND6Q3VX8378

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-03-31

- **b. Date as of which information is reported:** 2026-03-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $30209704.35

**Total Liabilities:** $511834.45

**Net Assets:** $29697869.90

**Cash Not Reported:** $5.67

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000010608 | 2.30%                | 8.60%                | -3.36%               |
| Class ID C000010606 | 2.32%                | 8.63%                | -3.34%               |
| Class ID C000010609 | 2.23%                | 8.55%                | -3.42%               |
| Class ID C000010607 | 2.30%                | 8.60%                | -3.34%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $87381.03                | $408354.82                                 |
| Month 2  | $72166.83                | $1977349.17                                |
| Month 3  | $86308.98                | $-1053898.41                               |

### Schedule of Portfolio Investments

| Name                                               | Title                                                        | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Sempra                                             | Sempra COM                                                   | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |     10038 | NS      | $975392.46    | 3.28%             |  |  |  | No            |                  1 | On Loan: No      |
| MGE ENERGY INC                                     | MGE Energy Inc. COM                                          | CUSIP: 55277P104<br>LEI: 549300BYWGHSXX2TEO67 | Long             | EC               | CORP              | US        |      1465 | NS      | $113229.85    | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp                                   | Duke Energy Corp COM NEW                                     | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |      9154 | NS      | $1198624.76   | 4.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Idacorp Inc                                        | Idacorp Inc COM                                              | CUSIP: 451107106<br>LEI: N134NUJDWN8UEFA8B673 | Long             | EC               | CORP              | US        |      2362 | NS      | $337695.14    | 1.14%             |  |  |  | No            |                  1 | On Loan: No      |
| American Electric Power Co, Inc.                   | American Electric Power Co, Inc. COM                         | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |      7641 | NS      | $1001582.28   | 3.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Edison International                               | Edison International COM                                     | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |      8875 | NS      | $649472.50    | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| OGE Energy Corporation                             | OGE Energy Corporation COM                                   | CUSIP: 670837103<br>LEI: CE5OG6JPOZMDSA0LAQ19 | Long             | EC               | CORP              | US        |      7801 | NS      | $374135.96    | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Alliant Energy Corporation                         | Alliant Energy Corporation COM                               | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |      7150 | NS      | $513084.00    | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| OTTER TAIL CORP                                    | Otter Tail Corporation COM                                   | CUSIP: 689648103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1793 | NS      | $157371.61    | 0.53%             |  |  |  | No            |                  1 | On Loan: —       |
| Dominion Energy Inc                                | Dominion Energy Inc COM                                      | CUSIP: 25746U109<br>LEI: ILUL7B6Z54MRYCF6H308 | Long             | EC               | CORP              | US        |     14127 | NS      | $873331.14    | 2.94%             |  |  |  | No            |                  1 | On Loan: No      |
| TALEN ENERGY CORP                                  | Talen Energy Corporation COM                                 | CUSIP: 87422Q109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1465 | NS      | $467671.95    | 1.57%             |  |  |  | No            |                  1 | On Loan: No      |
| NorthWestern Energy Group Inc                      | NorthWestern Energy Group Inc COM NEW                        | CUSIP: 668074305<br>LEI: 254900N1WG46G1VMDM34 | Long             | EC               | CORP              | US        |      3608 | NS      | $237911.52    | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Ameren Corp.                                       | Ameren Corp. COM                                             | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |      5990 | NS      | $658420.80    | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy Inc                                 | NextEra Energy Inc COM                                       | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |     18024 | NS      | $1674069.12   | 5.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Essential Utilities Inc                            | Essential Utilities Inc COM                                  | CUSIP: 29670G102<br>LEI: 549300ILTEOF3E3QY357 | Long             | EC               | CORP              | US        |      9805 | NS      | $394847.35    | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle West Capital Corp.                        | Pinnacle West Capital Corp. COM                              | CUSIP: 723484101<br>LEI: TWSEY0NEDUDCKS27AH81 | Long             | EC               | CORP              | US        |      4123 | NS      | $415392.25    | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstEnergy Corp.                                  | FirstEnergy Corp. COM                                        | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |     12448 | NS      | $630615.68    | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Fortis Inc                                         | Fortis Inc COM                                               | CUSIP: 349553107<br>LEI: 549300MQYQ9Y065XPR71 | Long             | EC               | CORP              | CA        |      8306 | NS      | $463391.74    | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| AES Corp.                                          | AES Corp. COM                                                | CUSIP: 00130H105<br>LEI: 2NUNNB7D43COUIRE5295 | Long             | EC               | CORP              | US        |     22742 | NS      | $320434.78    | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| PG&E Corporation                                   | PG&E Corporation COM                                         | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |     41932 | NS      | $736745.24    | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS Energy Corporation                             | CMS Energy Corporation COM                                   | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |      7519 | NS      | $583324.02    | 1.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Black Hills Corporation                            | Black Hills Corporation COM                                  | CUSIP: 092113109<br>LEI: 3MGELCRSTNSAMJ962671 | Long             | EC               | CORP              | US        |      3901 | NS      | $270768.41    | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Southern Co.                                       | Southern Co. COM                                             | CUSIP: 842587107<br>LEI: 549300FC3G3YU2FBZD92 | Long             | EC               | CORP              | US        |     12710 | NS      | $1226769.20   | 4.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Exelon Corp.                                       | Exelon Corp. COM                                             | CUSIP: 30161N101<br>LEI: 3SOUA6IRML7435B56G12 | Long             | EC               | CORP              | US        |     17158 | NS      | $841085.16    | 2.83%             |  |  |  | No            |                  1 | On Loan: No      |
| PPL Corporation                                    | PPL Corporation COM                                          | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |     16422 | NS      | $627320.40    | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Vistra Corp                                        | Vistra Corp COM                                              | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |      5486 | NS      | $824710.38    | 2.78%             |  |  |  | No            |                  1 | On Loan: No      |
| UGI Corp                                           | UGI Corp COM                                                 | CUSIP: 902681105<br>LEI: DX6GCWD4Q1JO9CRE5I40 | Long             | EC               | CORP              | US        |      9200 | NS      | $335064.00    | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Evergy Inc                                         | Evergy Inc COM                                               | CUSIP: 30034W106<br>LEI: 549300PGTHDQY6PSUI61 | Long             | EC               | CORP              | US        |      6260 | NS      | $512819.20    | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| TXNM Energy Inc.                                   | TXNM Energy Inc. COM                                         | CUSIP: 69349H107<br>LEI: 5493003JOBJGLZSDDQ28 | Long             | EC               | CORP              | US        |      5140 | NS      | $300484.40    | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corp.                                 | Atmos Energy Corp. COM                                       | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |      3545 | NS      | $654832.40    | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Portland General Electric Company                  | Portland General Electric Company COM NEW                    | CUSIP: 736508847<br>LEI: GJOUP9M7C39GLSK9R870 | Long             | EC               | CORP              | US        |      5833 | NS      | $307807.41    | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Consolidated Edison, Inc.                          | Consolidated Edison, Inc. COM                                | CUSIP: 209115104<br>LEI: 54930033SBW53OO8T749 | Long             | EC               | CORP              | US        |      6741 | NS      | $762946.38    | 2.57%             |  |  |  | No            |                  1 | On Loan: No      |
| H2O America                                        | H2O America COM                                              | CUSIP: 784305104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      3379 | NS      | $198245.93    | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Xcel Energy Inc                                    | Xcel Energy Inc COM                                          | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |     10555 | NS      | $838489.20    | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| BROOKFIELD RENEWABLE CORP                          | Brookfield Renewable Corporation CL A EX SUB VTG             | CUSIP: 11285B108<br>LEI: 894500N9AWD5I1YNP231 | Long             | EC               | CORP              | CA        |     10662 | NS      | $424667.46    | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Eversource Energy                                  | Eversource Energy COM                                        | CUSIP: 30040W108<br>LEI: SJ7XXD41SQU3ZNWUJ746 | Long             | EC               | CORP              | US        |      8643 | NS      | $598787.04    | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearway Energy Inc                                | Clearway Energy Inc CL C                                     | CUSIP: 18539C204<br>LEI: 549300LHAZ9HA9G3XC48 | Long             | EC               | CORP              | US        |      8691 | NS      | $341469.39    | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| National Fuel Gas Company                          | National Fuel Gas Company COM                                | CUSIP: 636180101<br>LEI: 8JB38FFW1Y3C1HM8E841 | Long             | EC               | CORP              | US        |      3778 | NS      | $354980.88    | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| J.P. MORGAN SECURITIES LLC                         | J.P. MORGAN SECURITIES LLC TRI PARTY                         | CUSIP: 000000000<br>LEI: ZBUT11V806EZRVTWT807 | Long             | RA               | CORP              | US        |    100789 | PA      | $100788.91    | 0.34%             |  |  |  | No            |                  2 | On Loan: No      |
| MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED | MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED TRI PARTY | CUSIP: 000000000<br>LEI: 8NAV47T0Y26Q87Y0QP81 | Long             | RA               | CORP              | US        |     91595 | PA      | $91594.71     | 0.31%             |  |  |  | No            |                  2 | On Loan: No      |
| NRG Energy, Inc.                                   | NRG Energy, Inc. COM NEW                                     | CUSIP: 629377508<br>LEI: 5E2UPK5SW04M13XY7I38 | Long             | EC               | CORP              | US        |      4447 | NS      | $649884.58    | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| MDU RESOURCES GROUP INC                            | MDU Resources Group, Inc. COM                                | CUSIP: 552690109<br>LEI: 549300MA0UV6AI6SNV27 | Long             | EC               | CORP              | US        |     11812 | NS      | $244744.64    | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| National Grid PLC                                  | National Grid PLC SPONSORED ADR NE                           | CUSIP: 636274409<br>LEI: 8R95QZMKZLJX5Q2XR704 | Long             | EC               | CORP              | GB        |      5201 | NS      | $440004.60    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE Energy Co.                                     | DTE Energy Co. COM                                           | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |      4186 | NS      | $612076.92    | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| OKLO INC                                           | Oklo Inc. COM CL A                                           | CUSIP: 02156V109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5727 | NS      | $284001.93    | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Energy Corp.                         | Constellation Energy Corp. COM                               | CUSIP: 21037T109<br>LEI: 549300F8Y20RYGNGV346 | Long             | EC               | CORP              | US        |      3856 | NS      | $1076788.00   | 3.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Centerpoint Energy Inc                             | Centerpoint Energy Inc COM                                   | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |     14618 | NS      | $630912.88    | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| NiSource Inc.                                      | NiSource Inc. COM                                            | CUSIP: 65473P105<br>LEI: 549300D8GOWWH0SJB189 | Long             | EC               | CORP              | US        |     12087 | NS      | $563979.42    | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| WEC Energy Group Inc.                              | WEC Energy Group Inc. COM                                    | CUSIP: 92939U106<br>LEI: 549300IGLYTZUK3PVP70 | Long             | EC               | CORP              | US        |      6275 | NS      | $726456.75    | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Public Service Enterprise Group Incorporated       | Public Service Enterprise Group Incorporated COM             | CUSIP: 744573106<br>LEI: PUSS41EMO3E6XXNV3U28 | Long             | EC               | CORP              | US        |      9327 | NS      | $755020.65    | 2.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Ormat Technologies Inc.                            | Ormat Technologies Inc. COM                                  | CUSIP: 686688102<br>LEI: 5493000TSHHWY24VHM09 | Long             | EC               | CORP              | US        |      2342 | NS      | $262116.64    | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Entergy Corporation                                | Entergy Corporation COM                                      | CUSIP: 29364G103<br>LEI: 4XM3TW50JULSLG8BNC79 | Long             | EC               | CORP              | US        |      7873 | NS      | $884610.28    | 2.98%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Company, Inc.                 | American Water Works Company, Inc. COM                       | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |      4432 | NS      | $603150.88    | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-06-01

**Name of Applicant:** Rydex Series Funds

**Signature:** James Howley

**Name of Signer:** James Howley

**Title:** Chief Financial Officer