# EDGAR Filing Document

**Accession Number:** 0000909994
**File Stem:** 0000930413-25-003232
**Filing Date:** 2025-10
**Character Count:** 3416
**Document Hash:** f63819ca2f69ea007d349de2c4114216
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000930413-25-003232.hdr.sgml**: 20251016

**ACCESSION NUMBER**: 0000930413-25-003232

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251016

**DATE AS OF CHANGE**: 20251016

**EFFECTIVENESS DATE**: 20251016

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** OLD WESTBURY FUNDS INC
- **CENTRAL INDEX KEY:** 0000909994

**ORGANIZATION NAME:**
- **EIN:** 232874698
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-66528
- **FILM NUMBER:** 251397108

**BUSINESS ADDRESS:**
- **STREET 1:** 103 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809
- **BUSINESS PHONE:** 3027914394

**MAIL ADDRESS:**
- **STREET 1:** 103 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809

## Series and Classes Contracts Data

### Old Westbury Small & Mid Cap Strategies Fund (Series ID: S000001857)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Old Westbury Small & Mid Cap Strategies Fund | OWSMX         | C000004834 |

---

### Old Westbury Total Equity Fund (Series ID: S000090405)

---

|  |  |  |
|:---|:---|:---|
| Class Name                     | Ticker Symbol | Class ID   |
| Old Westbury Total Equity Fund | OWTEX         | C000257451 |

---

## Series and Classes Contracts Data

### Old Westbury Small & Mid Cap Strategies Fund (Series ID: S000001857)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000004834 | Old Westbury Small & Mid Cap Strategies Fund | OWSMX           |

### Old Westbury Total Equity Fund (Series ID: S000090405)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000257451 | Old Westbury Total Equity Fund | OWTEX           |

**OLD WESTBURY FUNDS, INC.**

**Old Westbury Small & Mid Cap Strategies Fund**

**Old Westbury Total Equity Fund**

(together, the "Funds")

*Supplement dated October 16, 2025 to the<br> Prospectus dated February 15, 2025, as supplemented*

This Supplement updates, and should be read in conjunction with, the information provided in the Funds' Prospectus dated February 15, 2025, as supplemented.

Effectively October 1, 2025, Mr. Omar Hegazi no longer serves as a portfolio manager of the portion of the Funds managed by Polunin Capital Partners Limited.

Accordingly, all references and information regarding Mr. Hegazi are deleted.

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

<br> OWF-A21-SUPP1025 Old Westbury Funds, Inc.

------

**OLD WESTBURY FUNDS, INC.**

**Old Westbury Small & Mid Cap Strategies Fund**

**Old Westbury Total Equity Fund**

(together, the "Funds")

*Supplement dated October 16, 2025 to the<br> Statement of Additional Information ("SAI") dated February 15, 2025, as supplemented*

This Supplement updates, and should be read in conjunction with, the information provided in the Funds' SAI dated February 15, 2025, as supplemented.

Effective October 1, 2025, Mr. Omar Hegazi no longer serves as a portfolio manager of the portion of the Funds managed by Polunin Capital Partners Limited.

Accordingly, all references and information regarding Mr. Hegazi are deleted.

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