# EDGAR Filing Document

**Accession Number:** 0001391839
**File Stem:** 0001387131-23-002243
**Filing Date:** 2023-2
**Character Count:** 3283
**Document Hash:** 916940dad840bc1099719491a37ed897
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001387131-23-002243.hdr.sgml**: 20230221

**ACCESSION NUMBER**: 0001387131-23-002243

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 14

**FILED AS OF DATE**: 20230221

**DATE AS OF CHANGE**: 20230221

**EFFECTIVENESS DATE**: 20230221

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gabelli ESG Fund, Inc.
- **CENTRAL INDEX KEY:** 0001391839
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-141093
- **FILM NUMBER:** 23646805

**BUSINESS ADDRESS:**
- **STREET 1:** ONE CORPORATE CENTER
- **CITY:** RYE
- **STATE:** NY
- **ZIP:** 10580
- **BUSINESS PHONE:** 1 800 422 3554

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Gabelli SRI Fund, Inc.
- **DATE OF NAME CHANGE:** 20130423

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Gabelli SRI Green Fund, Inc.
- **DATE OF NAME CHANGE:** 20090909

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Gabelli SRI Fund, Inc.
- **DATE OF NAME CHANGE:** 20070302

## Series and Classes Contracts Data

### Gabelli ESG Fund, Inc. (Series ID: S000017367)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class AAA  | ESGGX         | C000048071 |
| Class A    | ESGHX         | C000048072 |
| Class I    | ESGKX         | C000048074 |

---

## Series and Classes Contracts Data

### Gabelli ESG Fund, Inc. (Series ID: S000017367)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000048071 | Class AAA    | ESGGX           |
| C000048072 | Class A      | ESGHX           |
| C000048074 | Class I      | ESGKX           |

?xml version="1.0" encoding="utf-8"?

FILED PURSUANT TO RULE 497(e)

REGISTRATION NO. 333-141093

**GABELLI ESG FUND, INC. (the "Fund")** 

**Supplement dated February 21, 2023, to the Fund's Summary and Statutory Prospectus for Class AAA Shares, Class A Shares, and Class I Shares, dated July 29, 2022** 

Effective February 21, 2023, the Fund's Average Annual Total Returns Table is replaced in its entirety with the following:

---

| | | | |
|:---|:---|:---|:---|
| **Average Annual Total Returns**<br> **(for the years ended December 31, 2021,**<br> **with maximum sales charge, if applicable)** | **Past<br> One Year** | **Past**<br> **Five Years** | **Past Ten Years** |
| Gabelli ESG Fund, Inc. |  |  |  |
| Class AAA Shares |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return Before Taxes | 22.00% | 10.68% | 10.62% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return After Taxes on Distributions | 18.27% | 8.24% | 9.25% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return After Taxes on Distributions and Sale of Fund Shares | 15.49% | 8.04% | 8.53% |
| Class A Shares |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return Before Taxes | 15.01% | 9.37% | 9.97% |
| Class I Shares |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return Before Taxes | 22.03% | 10.83% | 10.85% |
| S&P 500 Index (reflects no deduction for fees, expenses, or taxes) | 28.71% | 18.47% | 16.55% |

---

**Please retain this Supplement for future reference.**