# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000940400-26-022998
**Filing Date:** 2026-6
**Character Count:** 22052
**Document Hash:** 3fd168682b21589cc27a49d5443c61db
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-022998.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0000940400-26-022998

**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:** 261048763

**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

### 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           |

## 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:** Telecommunications Fund

- **b. EDGAR series identifier (if any):** S000003799

- **c. LEI of Series:** 549300N6G4LRE5IXJH81

**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:** $5356868.58

**Total Liabilities:** $14230.83

**Net Assets:** $5342637.75

**Cash Not Reported:** $19.64

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000010585 | 6.18%                | 9.10%                | -0.80%               |
| Class ID C000010582 | 6.28%                | 9.17%                | -0.71%               |
| Class ID C000010583 | 6.25%                | 9.17%                | -0.74%               |
| Class ID C000010584 | 6.26%                | 9.16%                | -0.73%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $934942.51               | $-580346.25                                |
| Month 2  | $42275.81                | $466431.09                                 |
| Month 3  | $112177.08               | $-190565.38                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| T-Mobile US Inc                                    | T-Mobile US Inc COM                                          | CUSIP: 872590104<br>LEI: 549300QHIJYOHPACPG31 | Long             | EC               | CORP              | US        |      1147 | NS      | $240904.41    | 4.51%             |  |  |  | No            |                  1 | On Loan: No      |
| GCI LIBERTY INC                                    | GCI Liberty Inc. COM SER C                                   | CUSIP: 36164V800<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       520 | NS      | $19349.20     | 0.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Charter Communications, Inc.                       | Charter Communications, Inc. CL A                            | CUSIP: 16119P108<br>LEI: 0J0XRGZE3PBRFEZ7MV65 | Long             | EC               | CORP              | US        |       684 | NS      | $147661.92    | 2.76%             |  |  |  | No            |                  1 | On Loan: —       |
| Viavi Solutions Inc                                | Viavi Solutions Inc COM                                      | CUSIP: 925550105<br>LEI: 5493006K3E3N1QOBF092 | Long             | EC               | CORP              | US        |      2861 | NS      | $95214.08     | 1.78%             |  |  |  | No            |                  1 | On Loan: —       |
| COGENT COMMUNICATIONS HOLDINGS INC                 | Cogent Communications Holdings, Inc. COM NEW                 | CUSIP: 19239V302<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1458 | NS      | $27468.72     | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Motorola Solutions Inc                             | Motorola Solutions Inc COM NEW                               | CUSIP: 620076307<br>LEI: 6S552MUG6KGJVEBSEC55 | Long             | EC               | CORP              | US        |       491 | NS      | $213079.27    | 3.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Harmonic Inc                                       | Harmonic Inc COM                                             | CUSIP: 413160102<br>LEI: 549300LRGRD8XC9BTL66 | Long             | EC               | CORP              | US        |      3467 | NS      | $31133.66     | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| LIBERTY GLOBAL LTD                                 | Liberty Global Ltd. COM CL A                                 | CUSIP: 000000000<br>LEI: 213800HRMKKTYH7SKA24 | Long             | EC               | CORP              | BM        |      6276 | NS      | $75876.84     | 1.42%             |  |  |  | No            |                  1 | 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        |      6869 | PA      | $6868.69      | 0.13%             |  |  |  | No            |                  2 | On Loan: No      |
| Ubiquiti Inc                                       | Ubiquiti Inc COM                                             | CUSIP: 90353W103<br>LEI: 5299007MITA4DMQCU747 | Long             | EC               | CORP              | US        |        39 | NS      | $30821.31     | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Ondas Inc.                                         | Ondas Inc. COM NEW                                           | CUSIP: 68236H204<br>LEI: 549300JWLHDUB82V8607 | Long             | EC               | CORP              | US        |      6539 | NS      | $59112.56     | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Liberty Latin America Ltd                          | Liberty Latin America Ltd COM USD0.01 CL C                   | CUSIP: 000000000<br>LEI: 213800YWQHEAX7CAVO83 | Long             | EC               | CORP              | BM        |      4607 | NS      | $40633.74     | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Extreme Networks Inc.                              | Extreme Networks Inc. COM                                    | CUSIP: 30226D106<br>LEI: 549300WRECW11X94UB57 | Long             | EC               | CORP              | US        |      3132 | NS      | $47230.56     | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| KT Corp.                                           | KT Corp. SPONSORED ADR                                       | CUSIP: 48268K101<br>LEI: 9884005ACF8449EANY26 | Long             | EC               | CORP              | KR        |      3554 | NS      | $76233.30     | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Arista Networks Inc                                | Arista Networks Inc COM SHS                                  | CUSIP: 040413205<br>LEI: 635400H1WKBLOQERUU95 | Long             | EC               | CORP              | US        |      2208 | NS      | $271098.24    | 5.07%             |  |  |  | No            |                  1 | On Loan: No      |
| EchoStar Corp.                                     | EchoStar Corp. CL A                                          | CUSIP: 278768106<br>LEI: 549300EE20907QZ9GT38 | Long             | EC               | CORP              | US        |      1586 | NS      | $185673.02    | 3.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Nokia Corp                                         | Nokia Corp SPONSORED ADR                                     | CUSIP: 654902204<br>LEI: 549300A0JPRWG1KI7U06 | Long             | EC               | CORP              | FI        |     11460 | NS      | $92138.40     | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| BCE Inc.                                           | BCE Inc. COM NEW                                             | CUSIP: 05534B760<br>LEI: 5493001I9203PRB5KR45 | Long             | EC               | CORP              | CA        |      3231 | NS      | $81550.44     | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| TELEPHONE & DATA SYSTEMS INC                       | Telephone and Data Systems Inc. COM NEW                      | CUSIP: 879433829<br>LEI: 5299003YZW5BE2NNLO37 | Long             | EC               | CORP              | US        |      1560 | NS      | $65676.00     | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Applied Optoelectronics Inc                        | Applied Optoelectronics Inc COM                              | CUSIP: 03823U102<br>LEI: 529900I8U6Q5SYDNLT48 | Long             | EC               | CORP              | US        |       922 | NS      | $77991.98     | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| INTERDIGITAL INC                                   | InterDigital, Inc. COM                                       | CUSIP: 45867G101<br>LEI: 529900HQAUTC3VI47G64 | Long             | EC               | CORP              | US        |       141 | NS      | $42582.00     | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| VERSANT MEDIA GROUP INC                            | Versant Media Group Inc. COM CL A                            | CUSIP: 925283103<br>LEI: 254900D2Q5F5F229PU30 | Long             | EC               | CORP              | US        |      2001 | NS      | $74077.02     | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Lumentum Holdings Inc.                             | Lumentum Holdings Inc. COM                                   | CUSIP: 55024U109<br>LEI: 549300JLWRRC38DWEF52 | Long             | EC               | CORP              | US        |       323 | NS      | $226991.48    | 4.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Ciena Corporation                                  | Ciena Corporation COM NEW                                    | CUSIP: 171779309<br>LEI: W0CZ7N0GH8UIGXDM1H41 | Long             | EC               | CORP              | US        |       598 | NS      | $232161.54    | 4.35%             |  |  |  | No            |                  1 | On Loan: No      |
| ADTRAN Holdings Inc                                | ADTRAN Holdings Inc COM                                      | CUSIP: 00486H105<br>LEI: 549300VV36J86CRRWF77 | Long             | EC               | CORP              | US        |      2821 | NS      | $35488.18     | 0.66%             |  |  |  | No            |                  1 | On Loan: —       |
| Millicom International Cellular SA                 | Millicom International Cellular SA COM USD1.50               | CUSIP: 000000000<br>LEI: 549300CTHC1CP86P2G96 | Long             | EC               | CORP              | LU        |      1187 | NS      | $88953.78     | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Comcast Corporation                                | Comcast Corporation CL A                                     | CUSIP: 20030N101<br>LEI: 51M0QTTNCGUN7KFCFZ59 | Long             | EC               | CORP              | US        |      8553 | NS      | $245556.63    | 4.60%             |  |  |  | No            |                  1 | On Loan: No      |
| TELUS CORP                                         | Telus Corp. COM                                              | CUSIP: 87971M103<br>LEI: 894500TX134IMF6NW757 | Long             | EC               | CORP              | CA        |      6196 | NS      | $79494.68     | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Vistance Networks Inc.                             | Vistance Networks Inc. COM                                   | CUSIP: 20337X109<br>LEI: 254900AW4CEPCQWSRI58 | Long             | EC               | CORP              | US        |      3531 | NS      | $64264.20     | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Netgear Inc                                        | Netgear Inc COM                                              | CUSIP: 64111Q104<br>LEI: 54930067KX3UNRHDWA78 | Long             | EC               | CORP              | US        |       964 | NS      | $21053.76     | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Cisco Systems, Inc.                                | Cisco Systems, Inc. COM                                      | CUSIP: 17275R102<br>LEI: 549300LKFJ962MZ46593 | Long             | EC               | CORP              | US        |      5300 | NS      | $411227.00    | 7.70%             |  |  |  | No            |                  1 | On Loan: No      |
| America Movil S.A.B. de C.V.                       | America Movil S.A.B. de C.V. SPON ADS RP CL B                | CUSIP: 02390A101<br>LEI: 5493000FNR3UCEAONM59 | Long             | EC               | CORP              | MX        |      3388 | NS      | $86326.24     | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITI GROUP INC                                    | Uniti Group LLC COM SHS                                      | CUSIP: 912932100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5860 | NS      | $54966.80     | 1.03%             |  |  |  | No            |                  1 | On Loan: —       |
| ViaSat, Inc.                                       | ViaSat, Inc. COM                                             | CUSIP: 92552V100<br>LEI: UFC8NYMNFSYIHNSM2I38 | Long             | EC               | CORP              | US        |      1407 | NS      | $64440.60     | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Telefonaktiebolaget LM Ericsson (publ)             | Telefonaktiebolaget LM Ericsson (publ) ADR B SEK 10          | CUSIP: 294821608<br>LEI: 549300W9JLPW15XIFM52 | Long             | EC               | CORP              | SE        |      7859 | NS      | $88570.93     | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Globalstar Inc                                     | Globalstar Inc COM NEW                                       | CUSIP: 378973507<br>LEI: 549300NEX8I0MSOW0R64 | Long             | EC               | CORP              | US        |       602 | NS      | $39984.84     | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Iridium Communications, Inc.                       | Iridium Communications, Inc. COM                             | CUSIP: 46269C102<br>LEI: 549300U620NVQ4J1CT96 | Long             | EC               | CORP              | US        |      1961 | NS      | $54398.14     | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Roku Inc                                           | Roku Inc COM CL A                                            | CUSIP: 77543R102<br>LEI: 549300KR6ITU0YIR1T71 | Long             | EC               | CORP              | US        |      1317 | NS      | $124614.54    | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| F5 Inc                                             | F5 Inc COM                                                   | CUSIP: 315616102<br>LEI: 54930015FPK9KT966303 | Long             | EC               | CORP              | US        |       463 | NS      | $133959.79    | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| AT&T Inc                                           | AT&T Inc COM                                                 | CUSIP: 00206R102<br>LEI: 549300Z40J86GGSTL398 | Long             | EC               | CORP              | US        |     12414 | NS      | $359881.86    | 6.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Rogers Communications Inc.                         | Rogers Communications Inc. CL B                              | CUSIP: 775109200<br>LEI: 5493000M6Z4XFIP6PF03 | Long             | EC               | CORP              | CA        |      1979 | NS      | $76092.55     | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Verizon Communications Inc.                        | Verizon Communications Inc. COM                              | CUSIP: 92343V104<br>LEI: 2S72QS2UO2OESLG6Y829 | Long             | EC               | CORP              | US        |      6805 | NS      | $341611.00    | 6.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Vodafone Group PLC                                 | Vodafone Group PLC SPONSORED ADR                             | CUSIP: 92857W308<br>LEI: 213800TB53ELEUKM7Q61 | Long             | EC               | CORP              | GB        |      5550 | NS      | $83361.00     | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| NETSCOUT Systems Inc.                              | NETSCOUT Systems Inc. COM                                    | CUSIP: 64115T104<br>LEI: 5493005HZXZ3SPNVCV76 | Long             | EC               | CORP              | US        |      1570 | NS      | $49910.30     | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Lumen Technologies Inc                             | Lumen Technologies Inc COM                                   | CUSIP: 550241103<br>LEI: 8M3THTGWLTYZVE6BBY25 | Long             | EC               | CORP              | US        |     12588 | NS      | $87486.60     | 1.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Gogo Inc                                           | Gogo Inc COM                                                 | CUSIP: 38046C109<br>LEI: 549300VL3DIHSFHYTO04 | Long             | EC               | CORP              | US        |      4314 | NS      | $17342.28     | 0.32%             |  |  |  | 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        |      7558 | PA      | $7558.15      | 0.14%             |  |  |  | No            |                  2 | On Loan: No      |
| Calix Inc.                                         | Calix Inc. COM                                               | CUSIP: 13100M509<br>LEI: 5299002RQRZ4SXSCSJ58 | Long             | EC               | CORP              | US        |      1135 | NS      | $55603.65     | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| AST SpaceMobile Inc.                               | AST SpaceMobile Inc. COM CL A                                | CUSIP: 00217D100<br>LEI: 254900MBSC9P2UCI6623 | Long             | EC               | CORP              | US        |      2040 | NS      | $169054.80    | 3.16%             |  |  |  | No            |                  1 | On Loan: —       |

### Signature

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

**Name of Applicant:** Rydex Series Funds

**Signature:** James Howley

**Name of Signer:** James Howley

**Title:** Chief Financial Officer