# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000913181-25-000368
**Filing Date:** 2025-12
**Character Count:** 24946
**Document Hash:** 372d873f0dc9832a06353684cf54f806
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000913181-25-000368.hdr.sgml**: 20251201

**ACCESSION NUMBER**: 0000913181-25-000368

**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:** 251538237

**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

### 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           |

## 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:** Electronics Fund

- **b. EDGAR series identifier (if any):** S000003803

- **c. LEI of Series:** 549300D3C8OUGF0S3D85

**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:** $105482389.72

**Total Liabilities:** $175924.35

**Net Assets:** $105306465.37

**Cash Not Reported:** $2801.12

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000010601 | 2.69%                | 2.78%                | 12.50%               |
| Class ID C000010598 | 2.78%                | 2.87%                | 12.58%               |
| Class ID C000010600 | 2.75%                | 2.85%                | 12.56%               |
| Class ID C000010599 | 2.75%                | 2.85%                | 12.56%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-173371.43              | $2739863.53                                |
| Month 2  | $932310.31               | $1761187.00                                |
| Month 3  | $2609135.23              | $9016495.33                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Texas Instruments Inc          | Texas Instruments, Inc.                         | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |     18658 | NS      | $3428034.34   | 3.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Monolithic Power Systems Inc   | Monolithic Power Systems, Inc.                  | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |      1996 | NS      | $1837597.44   | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Microchip Technology Inc       | Microchip Technology, Inc.                      | CUSIP: 595017104<br>LEI: 5493007PTFULNYZJ1R12 | Long             | EC               | CORP              | US        |     23947 | NS      | $1537876.34   | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| FormFactor Inc                 | FormFactor, Inc.                                | CUSIP: 346375108<br>LEI: 549300YCEEO6SZD1ZR61 | Long             | EC               | CORP              | US        |     13035 | NS      | $474734.70    | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| ASE Technology Holding Co Ltd  | ASE Technology Holding Company Ltd.             | CUSIP: 00215W100<br>LEI: 300300GO8QHPMV87NZ73 | Long             | EC               | CORP              | TW        |     82507 | NS      | $915002.63    | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Onto Innovation Inc            | Onto Innovation, Inc.                           | CUSIP: 683344105<br>LEI: 254900RXZVN73CHOO062 | Long             | EC               | CORP              | US        |      5584 | NS      | $721564.48    | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Impinj Inc                     | Impinj, Inc.                                    | CUSIP: 453204109<br>LEI: 549300M26VGKSMMWWN17 | Long             | EC               | CORP              | US        |      3224 | NS      | $582738.00    | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| QUALCOMM Inc                   | QUALCOMM, Inc.                                  | CUSIP: 747525103<br>LEI: H1J8DDZKZP6H7RWC0H53 | Long             | EC               | CORP              | US        |     21509 | NS      | $3578237.24   | 3.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Nova Ltd                       | Nova Ltd.                                       | CUSIP: N/A<br>LEI: 529900B2DSWE5V3SC292       | Long             | EC               | CORP              | US        |      2104 | NS      | $672564.64    | 0.64%             |  |  |  | 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        |    377104 | PA      | $377103.71    | 0.36%             |  |  |  | No            |                  2 | On Loan: No      |
| BOFA SECURITIES, INC.          | BofA Securities, Inc.                           | CUSIP: N/A<br>LEI: 549300HN4UKV1E2R3U73       | Long             | RA               | CORP              | US        |    271351 | PA      | $271350.77    | 0.26%             |  |  |  | No            |                  2 | On Loan: No      |
| Qorvo Inc                      | Qorvo, Inc.                                     | CUSIP: 74736K101<br>LEI: 254900YAUJV2EUEVBR11 | Long             | EC               | CORP              | US        |      8690 | NS      | $791485.20    | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Power Integrations Inc         | Power Integrations, Inc.                        | CUSIP: 739276103<br>LEI: 54930085LGXSCIHD5W31 | Long             | EC               | CORP              | US        |      9123 | NS      | $366835.83    | 0.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Penguin Solutions Inc          | Penguin Solutions, Inc.                         | CUSIP: 706915105<br>LEI: 254900DVWIPOY3GJ8E23 | Long             | EC               | CORP              | US        |     11649 | NS      | $306135.72    | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian Solar Inc             | Canadian Solar, Inc.                            | CUSIP: 136635109<br>LEI: 5493001XSC6TKMBVOM15 | Long             | EC               | CORP              | US        |     80610 | NS      | $1051154.40   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Silicon Laboratories Inc       | Silicon Laboratories, Inc.                      | CUSIP: 826919102<br>LEI: 4PRDF8Q9TDHRVZKZSZ47 | Long             | EC               | CORP              | US        |      3028 | NS      | $397061.64    | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Ambarella Inc                  | Ambarella, Inc.                                 | CUSIP: N/A<br>LEI: 254900XN7F4DG0CEKC02       | Long             | EC               | CORP              | US        |      5849 | NS      | $482659.48    | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| GLOBALFOUNDRIES Inc            | GLOBALFOUNDRIES, Inc.                           | CUSIP: N/A<br>LEI: 549300BA76VK784VMX48       | Long             | EC               | CORP              | US        |     15090 | NS      | $540825.60    | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| ARM Holdings PLC               | ARM Holdings plc                                | CUSIP: 042068205<br>LEI: 2138001E66EELTE7Y904 | Long             | EC               | CORP              | GB        |      8277 | NS      | $1171112.73   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Enphase Energy Inc             | Enphase Energy, Inc.                            | CUSIP: 29355A107<br>LEI: 5493008U7KIGMI59Z314 | Long             | EC               | CORP              | US        |     15434 | NS      | $546209.26    | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| TSMC                           | Taiwan Semiconductor Manufacturing Company Ltd. | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |      6459 | NS      | $1803934.11   | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Skyworks Solutions Inc         | Skyworks Solutions, Inc.                        | CUSIP: 83088M102<br>LEI: 549300WZ3ORQ2BVKBD96 | Long             | EC               | CORP              | US        |     11757 | NS      | $905053.86    | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Cirrus Logic Inc               | Cirrus Logic, Inc.                              | CUSIP: 172755100<br>LEI: 549300NKSJEM5ZZSSV18 | Long             | EC               | CORP              | US        |      5535 | NS      | $693480.15    | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Semtech Corp                   | Semtech Corp.                                   | CUSIP: 816850101<br>LEI: 549300J7WUY317SW6O61 | Long             | EC               | CORP              | US        |     10096 | NS      | $721359.20    | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc          | Micron Technology, Inc.                         | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |     22079 | NS      | $3694258.28   | 3.51%             |  |  |  | No            |                  1 | On Loan: No      |
| SolarEdge Technologies Inc     | SolarEdge Technologies, Inc.                    | CUSIP: 83417M104<br>LEI: 5493000K6Y58XXPDF853 | Long             | EC               | CORP              | US        |     31074 | NS      | $1149738.00   | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| United Microelectronics Corp   | United Microelectronics Corp.                   | CUSIP: 910873405<br>LEI: 391200YJCAGH9LF96P73 | Long             | EC               | CORP              | TW        |    133930 | NS      | $1015189.40   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Universal Display Corp         | Universal Display Corp.                         | CUSIP: 91347P105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      4728 | NS      | $679082.64    | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Navitas Semiconductor Corp     | Navitas Semiconductor Corp.                     | CUSIP: 63942X106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     43136 | NS      | $311441.92    | 0.30%             |  |  |  | No            |                  1 | On Loan: No      |
| NXP Semiconductors NV          | NXP Semiconductor N.V.                          | CUSIP: N/A<br>LEI: 724500M9BY5293JDF951       | Long             | EC               | CORP              | NL        |      7884 | NS      | $1795423.32   | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| MACOM Technology Solutions Hol | MACOM Technology Solutions Holdings, Inc.       | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5908 | NS      | $735486.92    | 0.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Allegro MicroSystems Inc       | Allegro MicroSystems, Inc.                      | CUSIP: 01749D105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     17213 | NS      | $502619.60    | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Entegris Inc                   | Entegris, Inc.                                  | CUSIP: 29362U104<br>LEI: IYX6OWO7BT5DKO3BYG52 | Long             | EC               | CORP              | US        |     11030 | NS      | $1019833.80   | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Veeco Instruments Inc          | Veeco Instruments, Inc.                         | CUSIP: 922417100<br>LEI: 5493004201F72ADDZW04 | Long             | EC               | CORP              | US        |     12671 | NS      | $385578.53    | 0.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Lam Research Corp              | Lam Research Corp.                              | CUSIP: 512807306<br>LEI: 549300I4GMO6D34U1T02 | Long             | EC               | CORP              | US        |     26788 | NS      | $3586913.20   | 3.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Micro Devices Inc     | Advanced Micro Devices, Inc.                    | CUSIP: 007903107<br>LEI: R2I72C950HOYXII45366 | Long             | EC               | CORP              | US        |     27427 | NS      | $4437414.33   | 4.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadcom Inc                   | Broadcom, Inc.                                  | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |     30622 | NS      | $10102504.02  | 9.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Camtek Ltd/Israel              | Camtek Ltd.                                     | CUSIP: N/A<br>LEI: 5493000H80W07HCKGS43       | Long             | EC               | CORP              | US        |     10440 | NS      | $1096722.00   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| First Solar Inc                | First Solar, Inc.                               | CUSIP: 336433107<br>LEI: 549300NPYMLM4NHTOF27 | Long             | EC               | CORP              | US        |      5957 | NS      | $1313697.21   | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Teradyne Inc                   | Teradyne, Inc.                                  | CUSIP: 880770102<br>LEI: C3X4YJ278QNZHRJULN75 | Long             | EC               | CORP              | US        |      9958 | NS      | $1370619.12   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Kulicke & Soffa Industries Inc | Kulicke & Soffa Industries, Inc.                | CUSIP: 501242101<br>LEI: 529900H6BEIRBF429744 | Long             | EC               | CORP              | US        |     22649 | NS      | $920455.36    | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| ON Semiconductor Corp          | ON Semiconductor Corp.                          | CUSIP: 682189105<br>LEI: ZV20P4CNJVT8V1ZGJ064 | Long             | EC               | CORP              | US        |     24035 | NS      | $1185165.85   | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology Inc         | Marvell Technology, Inc.                        | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     30317 | NS      | $2548750.19   | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| SiTime Corp                    | SiTime Corp.                                    | CUSIP: 82982T106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1553 | NS      | $467934.43    | 0.44%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA Corp                       | KLA Corp.                                       | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |      3077 | NS      | $3318852.20   | 3.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Lattice Semiconductor Corp     | Lattice Semiconductor Corp.                     | CUSIP: 518415104<br>LEI: 549300LRBBPZDQ2II567 | Long             | EC               | CORP              | US        |     12023 | NS      | $881526.36    | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Rambus Inc                     | Rambus, Inc.                                    | CUSIP: 750917106<br>LEI: 2549000211GDCQSLV833 | Long             | EC               | CORP              | US        |      8602 | NS      | $896328.40    | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| ACM Research Inc               | ACM Research, Inc.                              | CUSIP: 00108J109<br>LEI: 549300MCTENUWL2GJL61 | Long             | EC               | CORP              | US        |     10941 | NS      | $428121.33    | 0.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Intel Corp                     | Intel Corp.                                     | CUSIP: 458140100<br>LEI: KNX4USFCNGPY45LOCE31 | Long             | EC               | CORP              | US        |    107417 | NS      | $3603840.35   | 3.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Rigetti Computing Inc          | Rigetti Computing, Inc.                         | CUSIP: 76655K103<br>LEI: 52990024JHY459DH8W71 | Long             | EC               | CORP              | US        |     35567 | NS      | $1059540.93   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| MaxLinear Inc                  | MaxLinear, Inc.                                 | CUSIP: 57776J100<br>LEI: 549300EMOI0SM2IY4F64 | Long             | EC               | CORP              | US        |     18580 | NS      | $298766.40    | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| MKS Inc                        | MKS, Inc.                                       | CUSIP: 55306N104<br>LEI: 549300KEQATBHAGVF505 | Long             | EC               | CORP              | US        |      6233 | NS      | $771458.41    | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Axcelis Technologies Inc       | Axcelis Technologies, Inc.                      | CUSIP: 054540208<br>LEI: 529900HF9B6NL1QG9F05 | Long             | EC               | CORP              | US        |      4925 | NS      | $480877.00    | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Diodes Inc                     | Diodes, Inc.                                    | CUSIP: 254543101<br>LEI: 549300XP2X1ARVH3BX23 | Long             | EC               | CORP              | US        |      7520 | NS      | $400139.20    | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Credo Technology Group Holding | Credo Technology Group Holding Ltd.             | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | US        |      8297 | NS      | $1208126.17   | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                    | NVIDIA Corp.                                    | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |     96663 | NS      | $18035382.54  | 17.13%            |  |  |  | No            |                  1 | On Loan: No      |
| Applied Materials Inc          | Applied Materials, Inc.                         | CUSIP: 038222105<br>LEI: 41BNNE1AFPNAZELZ6K07 | Long             | EC               | CORP              | US        |     17813 | NS      | $3647033.62   | 3.46%             |  |  |  | No            |                  1 | On Loan: No      |
| ASML Holding NV                | ASML Holding N.V.                               | CUSIP: N/A<br>LEI: 724500Y6DUVHQD6OXN27       | Long             | EC               | CORP              | US        |      1887 | NS      | $1826785.83   | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc             | Analog Devices, Inc.                            | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |     11797 | NS      | $2898522.90   | 2.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Astera Labs Inc                | Astera Labs, Inc.                               | CUSIP: 04626A103<br>LEI: 529900LJL8TUEGF7HG20 | Long             | EC               | CORP              | US        |      6331 | NS      | $1239609.80   | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| STMicroelectronics NV          | STMicroelectronics N.V.                         | CUSIP: 861012102<br>LEI: 213800Z8NOHIKRI42W10 | Long             | EC               | CORP              | US        |     36805 | NS      | $1040109.30   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Amkor Technology Inc           | Amkor Technology, Inc.                          | CUSIP: 031652100<br>LEI: 529900VHLRTKPWZJBM84 | Long             | EC               | CORP              | US        |     17921 | NS      | $508956.40    | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Synaptics Inc                  | Synaptics, Inc.                                 | CUSIP: 87157D109<br>LEI: 549300AJ3LI4FWNRQX29 | Long             | EC               | CORP              | US        |      5987 | NS      | $409151.58    | 0.39%             |  |  |  | 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