# EDGAR Filing Document

**Accession Number:** 0000893783
**File Stem:** 0001829126-25-007591
**Filing Date:** 2025-9
**Character Count:** 2491
**Document Hash:** be585da85d2b09ef0f01b7ae8a12567c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-25-007591.hdr.sgml**: 20250923

**ACCESSION NUMBER**: 0001829126-25-007591

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250923

**DATE AS OF CHANGE**: 20250923

**EFFECTIVENESS DATE**: 20250923

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GABELLI INVESTOR FUNDS INC
- **CENTRAL INDEX KEY:** 0000893783

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-54016
- **FILM NUMBER:** 251332294

**BUSINESS ADDRESS:**
- **STREET 1:** ONE CORPORATE CENTER
- **CITY:** RYE
- **STATE:** NY
- **ZIP:** 10580-1434
- **BUSINESS PHONE:** 9149215100

**MAIL ADDRESS:**
- **STREET 1:** ONE CORPORATE CENTER
- **CITY:** RYE
- **STATE:** NY
- **ZIP:** 10580-1434

## Series and Classes Contracts Data

### THE GABELLI ABC FUND (Series ID: S000001070)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| CLASS AAA      | GABCX         | C000002886 |
| Advisor Shares | GADVX         | C000050409 |

---

## Series and Classes Contracts Data

### THE GABELLI ABC FUND (Series ID: S000001070)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000002886 | CLASS AAA      | GABCX           |
| C000050409 | Advisor Shares | GADVX           |

**Filed Pursuant to Rule 497(e)**

**Registration No. 033-54016**

**GABELLI INVESTOR FUNDS, INC.**

**The Gabelli ABC Fund (the "Fund")**

**Supplement dated September 23, 2025, to the Fund's**

**Statutory Prospectus (the "Prospectus") and Statement of** 

**Additional Information ("SAI"), each dated April 30, 2025**

*This supplement amends certain information in the Fund's Prospectus and SAI. Unless otherwise indicated, all other information included in the Prospectus and SAI, or any previous supplements thereto, that is not inconsistent with the information set forth in this supplement, remains unchanged. Capitalized terms not otherwise defined in this supplement have the same meaning as in the Prospectus and SAI.*

**<u>Share Class Name Change</u>**

Effective September 29, 2025, Class AAA shares of the Fund will be renamed Class I shares. Accordingly, effective September 29, 2025, each instance of "Class AAA" in the Prospectus and SAI is hereby deleted and replaced with "Class I."

**SHAREHOLDERS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**