Old Westbury Funds Inc.

10/16/2025 | Press release | Distributed by Public on 10/16/2025 11:04

Prospectus by Investment Company (Form 497)

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
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

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
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

Old Westbury Funds Inc. published this content on October 16, 2025, and is solely responsible for the information contained herein. Distributed via EDGAR on October 16, 2025 at 17:04 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]