Old Westbury Funds Inc.

09/30/2025 | Press release | Distributed by Public on 09/30/2025 09:02

Prospectus by Investment Company (Form 497)

OLD WESTBURY FUNDS, INC.

Old Westbury Large Cap Strategies Fund

Old Westbury Total Equity Fund

(the "Funds")

Supplement dated September 30, 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.

Important Notice Regarding Portfolio Managers

Effective October 1, 2025, Mr. John Hall will no longer serve as a member of Bessemer Investment Management LLC's ("the Adviser") portfolio management teams responsible for the Funds. Additionally, effective October 1, 2025, Mr. Cheng Jan will join the Adviser's portfolio management teams responsible for the Funds. Messrs. Jeffrey A. Rutledge and Anthony Wile, Dr. Edward N. Aw, DBA and Ms. Nancy Sheft will continue to serve as portfolio managers of Old Westbury Large Cap Strategies Fund, and Messrs. John Alexander Christie, Michael Morrisroe, Jeffrey A. Rutledge and Anthony Wile, Dr. Edward N. Aw, DBA and Mses. Nancy Sheft and Andrea Tulcin will continue to serve as portfolio managers of Old Westbury Total Equity Fund.

Accordingly, effective October 1, 2025:

· All references and information regarding Mr. Hall are deleted.

· The following paragraph is added to each section for Old Westbury Large Cap Strategies Fund and Old Westbury Total Equity Fund entitled "Management of the Fund-Portfolio Managers and Sub-Advisers" in the Prospectus:

Mr. Cheng Jan, Principal of the Adviser, has managed the Fund since October 1, 2025.

· The following paragraph is added to each section for Old Westbury Large Cap Strategies Fund and Old Westbury Total Equity Fund entitled "WHO MANAGES THE FUNDS?-Portfolio Managers" in the Prospectus:

Mr. Cheng Jan, Principal of the Adviser, has managed the Fund since October 1, 2025. He joined the Adviser in May 2019 as an Equity Analyst for the U.S. Select Equity portfolio. Prior to that, he was a senior analyst at Roubaix Capital, LLC, where he was responsible for long and short equity investments across all sectors. Before that, he was a senior treasury analyst at OppenheimerFunds, where he was responsible for derivatives trading, portfolio risk management, and competitive research. Mr. Jan received his B.A., with honors, in economics from the University of Chicago in 2009.

INVESTORS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

OWF-A21-SUPP0925 Old Westbury Funds, Inc.

OLD WESTBURY FUNDS, INC.

Old Westbury Large Cap Strategies Fund

Old Westbury Total Equity Fund

(the "Funds")

Supplement dated September 30, 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.

Important Notice Regarding Portfolio Managers

Effective October 1, 2025, Mr. John Hall will no longer serve as a member of Bessemer Investment Management LLC's ("the Adviser") portfolio management teams responsible for the Funds. Additionally, effective October 1, 2025, Mr. Cheng Jan will join the Adviser's portfolio management teams responsible for the Funds. Messrs. Jeffrey A. Rutledge and Anthony Wile, Dr. Edward N. Aw, DBA and Ms. Nancy Sheft will continue to serve as portfolio managers of Old Westbury Large Cap Strategies Fund, and Messrs. John Alexander Christie, Michael Morrisroe, Jeffrey A. Rutledge and Anthony Wile, Dr. Edward N. Aw, DBA and Mses. Nancy Sheft and Andrea Tulcin will continue to serve as portfolio managers of Old Westbury Total Equity Fund.

Accordingly, effective October 1, 2025:

· All references and information regarding Mr. Hall are deleted.
· The following information is added to the section entitled "WHO MANAGES THE FUNDS?-INVESTMENT ADVISER AND SUB-ADVISERS-Additional Portfolio Manager Information-Other Accounts Managed by Portfolio Managers" in the SAI:
Portfolio Manager Other SEC-registered
open-end
and closed-end funds
Other pooled investment
vehicles
Other accounts
Number
of
accounts
Assets Number
of
accounts
Assets Number
of
accounts
Assets
Large Cap Strategies Fund
BIM
Cheng Jan2 0 $0 1 $105,000,000 1030 $4,200,000,000
Total Equity Fund
BIM
Cheng Jan2 0 $0 1 $105,000,000 1030 $4,200,000,000

2 Information is as of August 29, 2025.

Accounts and Assets for which an Investment Advisory Fee is Based on Performance

Portfolio Manager Other SEC-registered
open-end
and closed-end funds
Other pooled investment
vehicles
Other accounts
Number
of
accounts
Assets Number
of
accounts
Assets Number
of
accounts
Assets
Large Cap Strategies Fund
BIM
Cheng Jan2 0 $0 0 $0 0 $0
Total Equity Fund
BIM
Cheng Jan2 0 $0 0 $0 0 $0

2 Information is as of August 29, 2025.

· The following information is added to the section entitled "WHO MANAGES THE FUNDS?-INVESTMENT ADVISER AND SUB-ADVISERS-Ownership of Securities" in the SAI:
All Cap
Core Fund
Large Cap
Strategies
Fund
Fixed
Income
Fund
Municipal
Bond Fund
Short-Term Bond Fund Small &
Mid Cap
Strategies
Fund
Credit Income Fund Total Equity Fund
BIM
Cheng Jan2 None None None None None None None None

2 Information is as of August 29, 2025. As of August 29, 2025, Mr. Jan did not hold shares of the California Municipal Bond Fund or the New York Municipal Bond Fund.

INVESTORS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

Old Westbury Funds Inc. published this content on September 30, 2025, and is solely responsible for the information contained herein. Distributed via SEC EDGAR on September 30, 2025 at 15:02 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]