# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000913181-25-000324
**Filing Date:** 2025-12
**Character Count:** 21422
**Document Hash:** e119d52e19ded328188cc7eaf32a94a1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000913181-25-000324.hdr.sgml**: 20251201

**ACCESSION NUMBER**: 0000913181-25-000324

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251201

**DATE AS OF CHANGE**: 20251201

**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:** 251538190

**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 Blvd., Suite 200

  - **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:** 2025-09-30

**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:** $26715768.01

**Total Liabilities:** $49236.68

**Net Assets:** $26666531.33

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000010607 | 5.08%                | -0.92%               | 4.09%                |
| Class ID C000010609 | 5.02%                | -1.01%               | 4.05%                |
| Class ID C000010606 | 5.10%                | -0.92%               | 4.13%                |
| Class ID C000010608 | 5.08%                | -0.94%               | 4.11%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-42925.47               | $1225089.07                                |
| Month 2  | $-22821.00               | $-462680.34                                |
| Month 3  | $-345159.46              | $1178290.51                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| National Grid PLC              | National Grid plc                     | CUSIP: 636274409<br>LEI: 8R95QZMKZLJX5Q2XR704 | Long             | EC               | CORP              | GB        |      5432 | NS      | $394743.44    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Essential Utilities Inc        | Essential Utilities, Inc.             | CUSIP: 29670G102<br>LEI: 549300ILTEOF3E3QY357 | Long             | EC               | CORP              | US        |      9120 | NS      | $363888.00    | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Portland General Electric Co   | Portland General Electric Co.         | CUSIP: 736508847<br>LEI: GJOUP9M7C39GLSK9R870 | Long             | EC               | CORP              | US        |      5403 | NS      | $237732.00    | 0.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Exelon Corp                    | Exelon Corp.                          | CUSIP: 30161N101<br>LEI: 3SOUA6IRML7435B56G12 | Long             | EC               | CORP              | US        |     16244 | NS      | $731142.44    | 2.74%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstEnergy Corp               | FirstEnergy Corp.                     | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |     11924 | NS      | $546357.68    | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Consolidated Edison Inc        | Consolidated Edison, Inc.             | CUSIP: 209115104<br>LEI: 54930033SBW53OO8T749 | Long             | EC               | CORP              | US        |      6469 | NS      | $650263.88    | 2.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp              | Talen Energy Corp.                    | CUSIP: 87422Q109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       943 | NS      | $401133.34    | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| AES Corp/The                   | AES Corp.                             | CUSIP: 00130H105<br>LEI: 2NUNNB7D43COUIRE5295 | Long             | EC               | CORP              | US        |     24847 | NS      | $326986.52    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Energy Corp      | Constellation Energy Corp.            | CUSIP: 21037T109<br>LEI: 549300F8Y20RYGNGV346 | Long             | EC               | CORP              | US        |      3351 | NS      | $1102713.57   | 4.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Ormat Technologies Inc         | Ormat Technologies, Inc.              | CUSIP: 686688102<br>LEI: 5493000TSHHWY24VHM09 | Long             | EC               | CORP              | US        |      2681 | NS      | $258046.25    | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Otter Tail Corp                | Otter Tail Corp.                      | CUSIP: 689648103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      2042 | NS      | $167382.74    | 0.63%             |  |  |  | No            |                  1 | On Loan: No      |
| NiSource Inc                   | NiSource, Inc.                        | CUSIP: 65473P105<br>LEI: 549300D8GOWWH0SJB189 | Long             | EC               | CORP              | US        |     11356 | NS      | $491714.80    | 1.84%             |  |  |  | No            |                  1 | On Loan: No      |
| American Electric Power Co Inc | American Electric Power Company, Inc. | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |      7448 | NS      | $837900.00    | 3.14%             |  |  |  | No            |                  1 | On Loan: No      |
| XPLR Infrastructure LP         | XPLR Infrastructure, LP               | CUSIP: 65341B106<br>LEI: 5493008F4ZOQFNG3WN54 | Long             | EC               | CORP              | US        |     10139 | NS      | $103113.63    | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| BOFA SECURITIES, INC.          | BofA Securities, Inc.                 | CUSIP: N/A<br>LEI: 549300HN4UKV1E2R3U73       | Long             | RA               | CORP              | US        |     57259 | PA      | $57259.02     | 0.21%             |  |  |  | No            |                  2 | On Loan: No      |
| ONE Gas Inc                    | ONE Gas, Inc.                         | CUSIP: 68235P108<br>LEI: 549300HXDWI0LATTX840 | Long             | EC               | CORP              | US        |      2964 | NS      | $239906.16    | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Entergy Corp                   | Entergy Corp.                         | CUSIP: 29364G103<br>LEI: 4XM3TW50JULSLG8BNC79 | Long             | EC               | CORP              | US        |      7466 | NS      | $695756.54    | 2.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp               | Duke Energy Corp.                     | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |      8488 | NS      | $1050390.00   | 3.94%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE Energy Co                  | DTE Energy Co.                        | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |      3868 | NS      | $547051.24    | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Alliant Energy Corp            | Alliant Energy Corp.                  | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |      6693 | NS      | $451175.13    | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| J.P. MORGAN SECURITIES LLC     | J.P. Morgan Securities LLC            | CUSIP: N/A<br>LEI: ZBUT11V806EZRVTWT807       | Long             | RA               | CORP              | US        |     79574 | PA      | $79574.46     | 0.30%             |  |  |  | No            |                  2 | On Loan: No      |
| Vistra Corp                    | Vistra Corp.                          | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |      4381 | NS      | $858325.52    | 3.22%             |  |  |  | No            |                  1 | On Loan: No      |
| UGI Corp                       | UGI Corp.                             | CUSIP: 902681105<br>LEI: DX6GCWD4Q1JO9CRE5I40 | Long             | EC               | CORP              | US        |      8316 | NS      | $276590.16    | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Dominion Energy Inc            | Dominion Energy, Inc.                 | CUSIP: 25746U109<br>LEI: ILUL7B6Z54MRYCF6H308 | Long             | EC               | CORP              | US        |     12669 | NS      | $774962.73    | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy Inc             | NextEra Energy, Inc.                  | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |     18134 | NS      | $1368935.66   | 5.13%             |  |  |  | No            |                  1 | On Loan: No      |
| PPL Corp                       | PPL Corp.                             | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |     14962 | NS      | $555987.92    | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| IDACORP Inc                    | IDACORP, Inc.                         | CUSIP: 451107106<br>LEI: N134NUJDWN8UEFA8B673 | Long             | EC               | CORP              | US        |      2203 | NS      | $291126.45    | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Evergy Inc                     | Evergy, Inc.                          | CUSIP: 30034W106<br>LEI: 549300PGTHDQY6PSUI61 | Long             | EC               | CORP              | US        |      5922 | NS      | $450190.44    | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle West Capital Corp     | Pinnacle West Capital Corp.           | CUSIP: 723484101<br>LEI: TWSEY0NEDUDCKS27AH81 | Long             | EC               | CORP              | US        |      3906 | NS      | $350211.96    | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corp              | Atmos Energy Corp.                    | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |      3290 | NS      | $561767.50    | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Edison International           | Edison International                  | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |      8783 | NS      | $485524.24    | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| OGE Energy Corp                | OGE Energy Corp.                      | CUSIP: 670837103<br>LEI: CE5OG6JPOZMDSA0LAQ19 | Long             | EC               | CORP              | US        |      7178 | NS      | $332126.06    | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Sempra                         | Sempra                                | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |      9366 | NS      | $842752.68    | 3.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Southern Co/The                | Southern Co.                          | CUSIP: 842587107<br>LEI: 549300FC3G3YU2FBZD92 | Long             | EC               | CORP              | US        |     11613 | NS      | $1100564.01   | 4.13%             |  |  |  | No            |                  1 | On Loan: No      |
| MDU Resources Group Inc        | MDU Resources Group, Inc.             | CUSIP: 552690109<br>LEI: 0T6SBMK3JTBI1JR36794 | Long             | EC               | CORP              | US        |     11842 | NS      | $210906.02    | 0.79%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Co Inc    | American Water Works Company, Inc.    | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |      4047 | NS      | $563301.93    | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| NRG Energy Inc                 | NRG Energy, Inc.                      | CUSIP: 629377508<br>LEI: 5E2UPK5SW04M13XY7I38 | Long             | EC               | CORP              | US        |      3750 | NS      | $607312.50    | 2.28%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS Energy Corp                | CMS Energy Corp.                      | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |      6842 | NS      | $501244.92    | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Fortis Inc/Canada              | Fortis, Inc.                          | CUSIP: 349553107<br>LEI: 549300MQYQ9Y065XPR71 | Long             | EC               | CORP              | US        |      7769 | NS      | $394199.06    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| CenterPoint Energy Inc         | CenterPoint Energy, Inc.              | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |     13850 | NS      | $537380.00    | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| WEC Energy Group Inc           | WEC Energy Group, Inc.                | CUSIP: 92939U106<br>LEI: 549300IGLYTZUK3PVP70 | Long             | EC               | CORP              | US        |      5781 | NS      | $662444.79    | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Oklo Inc                       | Oklo, Inc.                            | CUSIP: 02156V109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      3947 | NS      | $440603.61    | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| TXNM Energy Inc                | TXNM Energy, Inc.                     | CUSIP: 69349H107<br>LEI: 5493003JOBJGLZSDDQ28 | Long             | EC               | CORP              | US        |      4569 | NS      | $258376.95    | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Ameren Corp                    | Ameren Corp.                          | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |      5506 | NS      | $574716.28    | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Northwestern Energy Group Inc  | Northwestern Energy Group, Inc.       | CUSIP: 668074305<br>LEI: 254900N1WG46G1VMDM34 | Long             | EC               | CORP              | US        |      3464 | NS      | $203025.04    | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Eversource Energy              | Eversource Energy                     | CUSIP: 30040W108<br>LEI: SJ7XXD41SQU3ZNWUJ746 | Long             | EC               | CORP              | US        |      8005 | NS      | $569475.70    | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| MGE Energy Inc                 | MGE Energy, Inc.                      | CUSIP: 55277P104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       817 | NS      | $68775.06     | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| PG&E Corp                      | PG&E Corp.                            | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |     39293 | NS      | $592538.44    | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Xcel Energy Inc                | Xcel Energy, Inc.                     | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |      9590 | NS      | $773433.50    | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Public Service Enterprise Grou | Public Service Enterprise Group, Inc. | CUSIP: 744573106<br>LEI: PUSS41EMO3E6XXNV3U28 | Long             | EC               | CORP              | US        |      8308 | NS      | $693385.68    | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| National Fuel Gas Co           | National Fuel Gas Co.                 | CUSIP: 636180101<br>LEI: 8JB38FFW1Y3C1HM8E841 | Long             | EC               | CORP              | US        |      3380 | NS      | $312210.60    | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Hawaiian Electric Industries I | Hawaiian Electric Industries, Inc.    | CUSIP: 419870100<br>LEI: JJ8FWOCWCV22X7GUPJ23 | Long             | EC               | CORP              | US        |     12687 | NS      | $140064.48    | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Brookfield Renewable Corp      | Brookfield Renewable Corp.            | CUSIP: 11285B108<br>LEI: 894500N9AWD5I1YNP231 | Long             | EC               | CORP              | US        |     10309 | NS      | $354835.78    | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearway Energy Inc            | Clearway Energy, Inc.                 | CUSIP: 18539C204<br>LEI: 549300LHAZ9HA9G3XC48 | Long             | EC               | CORP              | US        |      8783 | NS      | $248119.75    | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-30

**Name of Applicant:** Rydex Series Funds

**Signature:** James Howley

**Name of Signer:** James Howley

**Title:** CFO