# EDGAR Filing Document

**Accession Number:** 0000899148
**File Stem:** 0000940400-26-023032
**Filing Date:** 2026-6
**Character Count:** 7395
**Document Hash:** 92364434e22ccc2b51302247538885e2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-023032.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0000940400-26-023032

**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:** 261048946

**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 High Yield Strategy Fund (Series ID: S000015882)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000043618 | Class A      | RYILX           |
| C000043619 | Class C      | RYIYX           |
| C000043620 | Class H      | RYIHX           |

## 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 High Yield Strategy Fund

- **b. EDGAR series identifier (if any):** S000015882

- **c. LEI of Series:** SCQPAL0SXRZDT2DWGE91

**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:** $2030109.46

**Total Liabilities:** $13319.21

**Net Assets:** $2016790.25

**Cash Not Reported:** $127786.77

**Currency Risk Metrics (dv01):**

- 

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

- **3-Month:** 0.00000000 | **1-Year:** 38.92306580 | **5-Year:** 11.78224480 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

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

- **3-Month:** 0.00000000 | **1-Year:** -53.52341770 | **5-Year:** -739.41610370 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000043619 | 0.22%                | 0.17%                | 2.42%                |
| Class ID C000043620 | 0.25%                | 0.27%                | 2.46%                |
| Class ID C000043618 | 0.26%                | 0.26%                | 2.46%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $67.46                                     |
| Month 2  | $0.00                    | $-167.89                                   |
| Month 3  | $0.00                    | $-1176.88                                  |

**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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| BOARD OF TRADE OF THE CITY OF CHICAGO, INC.        | 5-Year T-Note Futures, Jun-2026,ETH                          | CUSIP: 000000000<br>LEI: 549300EX04Q2QBFQTQ27 | N/A              | DIR              | CORP              | US        |       -17 | NC      | $5182.15      | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Guggenheim Strategy Funds Trust                    | Guggenheim Strategy Fund II                                  | CUSIP: 40168Q205<br>LEI: 5493007THUTJ3GMETL84 | Long             | EC               | RF                | US        |      6753 | NS      | $167067.27    | 8.28%             |  |  |  | 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        |    586200 | PA      | $586200.09    | 29.07%            |  |  |  | No            |                  2 | On Loan: No      |
| INTERCONTINENTAL EXCHANGE, INC.                    | CDS CDX.NA.HY.45.V1                                          | CUSIP: 000000000<br>LEI: 5493000F4ZO33MV32P92 | N/A              | DCR              | CORP              | US        |         1 | NC      | $-29997.41    | -1.49%            |  |  |  | No            |                  2 | On Loan: No      |
| INTERCONTINENTAL EXCHANGE, INC.                    | CDS CDX.NA.HY.45.V2                                          | CUSIP: 000000000<br>LEI: 5493000F4ZO33MV32P92 | N/A              | DCR              | CORP              | US        |         1 | NC      | $-70902.98    | -3.52%            |  |  |  | No            |                  2 | On Loan: No      |
| Guggenheim Funds Trust                             | Guggenheim Ultra Short Duration Fund                         | CUSIP: 40169J523<br>LEI: 54930033G24U3UGWK691 | Long             | EC               | RF                | US        |     16720 | NS      | $168033.75    | 8.33%             |  |  |  | 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        |    645042 | PA      | $645042.28    | 31.98%            |  |  |  | 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