# EDGAR Filing Document

**Accession Number:** 0000831114
**File Stem:** 0001398344-23-003678
**Filing Date:** 2023-2
**Character Count:** 2760
**Document Hash:** 5e0021e4f23c450a90d53848b06e0583
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-003678.hdr.sgml**: 20230217

**ACCESSION NUMBER**: 0001398344-23-003678

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230217

**DATE AS OF CHANGE**: 20230217

**EFFECTIVENESS DATE**: 20230217

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RBB FUND, INC.
- **CENTRAL INDEX KEY:** 0000831114
- **IRS NUMBER:** 510312196
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-20827
- **FILM NUMBER:** 23641807

**BUSINESS ADDRESS:**
- **STREET 1:** 615 E. MICHIGAN ST.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 609-731-6256

**MAIL ADDRESS:**
- **STREET 1:** 615 E. MICHIGAN ST.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RBB FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FUND INC /DE/
- **DATE OF NAME CHANGE:** 19600201

## Series and Classes Contracts Data

### WPG Partners Small Cap Value Diversified Fund (Series ID: S000001097)

---

|  |  |  |
|:---|:---|:---|
| Class Name    | Ticker Symbol | Class ID   |
| INSTITUTIONAL | WPGTX         | C000002987 |

---

## Series and Classes Contracts Data

### WPG Partners Small Cap Value Diversified Fund (Series ID: S000001097)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000002987 | INSTITUTIONAL | WPGTX           |

**THE RBB FUND, INC.**

**Boston Partners Investment Funds**

**WPG Partners Small/Micro Cap Value Fund (the "Fund")**

Institutional Class (WPGTX)

**______________________________________________________________________**

**Supplement dated February 17, 2023**

**to the Prospectus and Statement of Additional Information, each dated December 31, 2022**

**______________________________________________________________________**

*This supplement serves as notification of the following change:*

At a recent meeting of the Board of Directors ("Board") of The RBB Fund, Inc., the Board approved certain changes as described below:

**1.** **Change in the Name of the Fund** 

Effective as of February 17, 2023, the name of the Fund is being changed to the "WPG Partners Small Cap Value Diversified Fund". The investment objective and the investment strategies of the Fund are not being changed in connection with the name change for the Fund and the current portfolio managers will continue to manage the Fund subject to the current investment objective and investment strategies that they employ with respect to their management of the Fund.

**\* \* \* \* \***

**Please retain this supplement for your reference.**