# EDGAR Filing Document

**Accession Number:** 0000909994
**File Stem:** 0000930413-25-002349
**Filing Date:** 2025-8
**Character Count:** 3880
**Document Hash:** da68d0015c239be4fe6d445c5e0d843e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000930413-25-002349.hdr.sgml**: 20250801

**ACCESSION NUMBER**: 0000930413-25-002349

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250801

**DATE AS OF CHANGE**: 20250801

**EFFECTIVENESS DATE**: 20250801

**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:** 251174167

**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 Large Cap Strategies Fund (Series ID: S000001858)

---

|  |  |  |
|:---|:---|:---|
| Class Name                             | Ticker Symbol | Class ID   |
| Old Westbury Large Cap Strategies Fund | OWLSX         | C000004835 |

---

### 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 Large Cap Strategies Fund (Series ID: S000001858)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000004835 | Old Westbury Large Cap Strategies Fund | OWLSX           |

### 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 Large Cap Strategies Fund** 

**Old Westbury Total Equity Fund**

(the "Funds")

*Supplement dated August 1, 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.

**Important Notice Regarding Sub-Adviser and Portfolio Managers**

Effective August 1, 2025, Mr. Perry Williams will no longer serve as a portfolio manager of the portion of the Funds managed by Sands Capital Management, LLC ("Sands Capital"). Brian Christiansen, David Levanson, and Daniel Pilling will continue to serve as portfolio managers of the portion of the Funds managed by Sands Capital.

Accordingly, effective immediately:

• All references and information regarding Mr. Williams are deleted.

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

<br> OWF-A21-SUPP0825 Old Westbury Funds, Inc.

**OLD WESTBURY FUNDS, INC.**

**Old Westbury Large Cap Strategies Fund** 

**Old Westbury Total Equity Fund**

(the "Funds")

 

*Supplement dated August 1, 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.

**Important Notice Regarding Sub-Adviser and Portfolio Managers**

Effective August 1, 2025, Mr. Perry Williams will no longer serve as a portfolio manager of the portion of the Funds managed by Sands Capital Management, LLC ("Sands Capital"). Brian Christiansen, David Levanson, and Daniel Pilling will continue to serve as portfolio managers of the portion of the Funds managed by Sands Capital.

Accordingly, effective immediately:

• All references and information regarding Mr. Williams are deleted.

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