# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000913181-25-000284
**Filing Date:** 2025-12
**Character Count:** 11429
**Document Hash:** e74526144e4e056870c09b63c705944a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000913181-25-000284.hdr.sgml**: 20251201

**ACCESSION NUMBER**: 0000913181-25-000284

**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:** 251538151

**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

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

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

## 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:** High Yield Strategy Fund

- **b. EDGAR series identifier (if any):** S000015881

- **c. LEI of Series:** 9LP714THWJRO0RW4E321

**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:** $23311596.45

**Total Liabilities:** $592688.98

**Net Assets:** $22718907.47

**Cash Not Reported:** $208226.34

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 116.13570920 | **1-Year:** 428.75974710 | **5-Year:** 78.96570220 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 769.15919950 | **5-Year:** 8180.91652360 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000043617 | -0.44%               | 1.66%                | 0.98%                |
| Class ID C000043615 | -0.44%               | 1.67%                | 0.98%                |
| Class ID C000043616 | -0.51%               | 1.60%                | 0.92%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-132.44                 | $-4847.89                                  |
| Month 2  | $0.00                    | $3979.93                                   |
| Month 3  | $-107.54                 | $1941.99                                   |

**Designated Index Information**

- **Index Name:** Bloomberg Barclays U.S. Corporate High Yield Index

- **Index Identifier:** LEH_HY

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Chicago Board of Trade                        | U.S. Treasury 5 Year Note Futures Contracts                | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | US        |       204 | NC      | $-1944.93     | -0.01%            |  |  |  | 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        |   4254420 | PA      | $4254419.78   | 18.73%            |  |  |  | No            |                  2 | On Loan: No      |
| FEDERAL FARM CREDIT BANK                      | Federal Farm Credit Bank                                   | CUSIP: 3133ER2W0<br>LEI: 254900C5LP6DN9OP9V83 | Long             | DBT              | USGSE             | US        |   2000000 | PA      | $2000034.00   | 8.80%             | 2025-11-06      | Floating      | 4.15%                 | No            |                  2 | On Loan: No      |
| FEDERAL HOME LOAN BANK                        | Federal Home Loan Bank                                     | CUSIP: 3130B6YW0<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |   1500000 | PA      | $1500027.00   | 6.60%             | 2026-01-09      | Floating      | 4.13%                 | No            |                  2 | On Loan: No      |
| FEDERAL FARM CREDIT BANK                      | Federal Farm Credit Bank                                   | CUSIP: 3133EPZV0<br>LEI: 254900C5LP6DN9OP9V83 | Long             | DBT              | USGSE             | US        |   1300000 | PA      | $1300146.90   | 5.72%             | 2025-10-27      | Floating      | 4.29%                 | No            |                  2 | On Loan: No      |
| Guggenheim Partners Investment Management LLC | Guggenheim Ultra Short Duration Fund - Institutional Class | CUSIP: 40169J523<br>LEI: N/A                  | Long             | EC               | RF                | US        |    133249 | NS      | $1341817.25   | 5.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Goldman Sachs International                   | iShares iBoxx $ High Yield Corporate Bond ETF              | CUSIP: N/A<br>LEI: W22LROWP2IHZNBB6K528       | N/A              | DCR              |  | US        |     16337 | NC      | $653.48       | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| FEDERAL HOME LOAN BANK                        | Federal Home Loan Bank                                     | CUSIP: 3130AXZJ0<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |    275000 | PA      | $275081.40    | 1.21%             | 2025-12-08      | Floating      | 4.28%                 | No            |                  2 | On Loan: No      |
| Barclays Bank plc                             | CDX.NA.HY.45.V1                                            | CUSIP: N/A<br>LEI: G5GSEF7VJP5I7OUK5573       | N/A              | DCR              |  | US        | -13150000 | OU      | $1016738.28   | 4.48%             |  |  |  | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT                       | Federal Home Loan Bank                                     | CUSIP: 313385MS2<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |   2150000 | PA      | $2148355.25   | 9.46%             | 2025-10-08      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| BNP Paribas                                   | SPDR Bloomberg High Yield Bond ETF                         | CUSIP: N/A<br>LEI: R0MUWSFPU8MPRO8K5P83       | N/A              | DCR              |  | US        |      1788 | NC      | $17.92        | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| BNP Paribas                                   | iShares iBoxx $ High Yield Corporate Bond ETF              | CUSIP: N/A<br>LEI: R0MUWSFPU8MPRO8K5P83       | N/A              | DCR              |  | US        |      1222 | NC      | $48.87        | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Guggenheim Partners Investment Management LLC | Guggenheim Strategy Fund II                                | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | RF                | US        |     53173 | NS      | $1322937.77   | 5.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Guggenheim Partners Investment Management LLC | Guggenheim Strategy Fund III                               | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | RF                | US        |     79841 | NS      | $1992034.97   | 8.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Goldman Sachs International                   | CDX.NA.HY.45.V1                                            | CUSIP: N/A<br>LEI: W22LROWP2IHZNBB6K528       | N/A              | DCR              |  | US        |  -6700000 | OU      | $518033.95    | 2.28%             |  |  |  | No            |                  2 | On Loan: No      |
| FEDERAL FARM CREDIT BANK                      | Federal Farm Credit Bank                                   | CUSIP: 3133ETFY8<br>LEI: 254900C5LP6DN9OP9V83 | Long             | DBT              | USGSE             | US        |   1500000 | PA      | $1499911.50   | 6.60%             | 2026-01-06      | Floating      | 4.13%                 | No            |                  2 | On Loan: No      |
| TREASURY BILL                                 | U.S. Treasury Bills                                        | CUSIP: 912797RC3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    770000 | PA      | $768876.79    | 3.38%             | 2025-10-14      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| BOFA SECURITIES, INC.                         | BofA Securities, Inc.                                      | CUSIP: N/A<br>LEI: 549300HN4UKV1E2R3U73       | Long             | RA               | CORP              | US        |   3061333 | PA      | $3061333.17   | 13.47%            |  |  |  | No            |                  2 | 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