# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000940400-26-023042
**Filing Date:** 2026-6
**Character Count:** 7976
**Document Hash:** e22ccf78558060e689bc59022684e2f9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-023042.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0000940400-26-023042

**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:** 261048955

**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

### Inverse Government Long Bond Strategy Fund (Series ID: S000003690)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000010326 | Investor Class | RYJUX           |
| C000010328 | Class A        | RYAQX           |
| C000010329 | Class C        | RYJCX           |
| C000149022 | Class H        | RYHJX           |

## 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:** Inverse Government Long Bond Strategy Fund

- **b. EDGAR series identifier (if any):** S000003690

- **c. LEI of Series:** 549300MEBX6MJKGCC831

**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:** $29012811.94

**Total Liabilities:** $14691815.55

**Net Assets:** $14320996.39

**Cash Not Reported:** $113300.00

**Currency Risk Metrics (dv01):**

- 

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

- **3-Month:** 0.00000000 | **1-Year:** 775.79256470 | **5-Year:** 234.46512710 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

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

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

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000010329 | 0.95%                | -4.04%               | 4.20%                |
| Class ID C000149022 | 1.01%                | -3.99%               | 4.26%                |
| Class ID C000010326 | 1.03%                | -3.98%               | 4.29%                |
| Class ID C000010328 | 1.01%                | -3.99%               | 4.26%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $21204.61                | $84616.67                                  |
| Month 2  | $-82986.16               | $-363142.35                                |
| Month 3  | $6531.24                 | $417229.62                                 |

**Designated Index Information**

- **Index Name:** Bloomberg US Treasury Bellwethers 30 Year Index

- **Index Identifier:** LEH_30PYR

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED | MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED TRI PARTY | CUSIP: 000000000<br>LEI: 8NAV47T0Y26Q87Y0QP81 | Long             | RA               | CORP              | US        |   2924529 | PA      | $2924529.18   | 20.42%            |  |  |  | No            |                  2 | On Loan: No      |
| BOARD OF TRADE OF THE CITY OF CHICAGO, INC.        | Ultra U.S. Treasury Bond Futures, Jun-2026,ETH               | CUSIP: 000000000<br>LEI: 549300EX04Q2QBFQTQ27 | N/A              | DIR              | CORP              | US        |       -27 | NC      | $103149.67    | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury Bonds                       | T 4.75 02/15/56                                              | CUSIP: 912810UR7<br>LEI: 254900HROIFWPRGM1V77 | Short            | DBT              | UST               | US        | -14800000 | PA      | $-14436937.50 | -100.81%          | 2056-02-15      | Fixed         | 4.75%                 | No            |                  2 | On Loan: No      |
| BARCLAYS PLC                                       | BARCLAYS                                                     | CUSIP: 000000000<br>LEI: 213800LBQA1Y9L22JB70 | Long             | RA               | CORP              | US        |   6737500 | PA      | $6737500.00   | 47.05%            |  |  |  | No            |                  2 | On Loan: No      |
| Guggenheim Funds Trust                             | Guggenheim Ultra Short Duration Fund                         | CUSIP: 40169J523<br>LEI: 54930033G24U3UGWK691 | Long             | EC               | RF                | US        |    326794 | NS      | $3284282.41   | 22.93%            |  |  |  | No            |                  1 | On Loan: No      |
| MIZUHO SECURITIES USA LLC                          | MIZUHO                                                       | CUSIP: 000000000<br>LEI: 7TK5RJIZDFROZCA6XF66 | Long             | RA               | CORP              | US        |   4816904 | PA      | $4816904.32   | 33.64%            |  |  |  | No            |                  2 | On Loan: No      |
| Guggenheim Strategy Funds Trust                    | Guggenheim Strategy Fund II                                  | CUSIP: 40168Q205<br>LEI: 5493007THUTJ3GMETL84 | Long             | EC               | RF                | US        |    137556 | NS      | $3403127.77   | 23.76%            |  |  |  | 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        |   3218091 | PA      | $3218090.57   | 22.47%            |  |  |  | No            |                  2 | 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