AB Core Opportunities Fund Inc.

08/19/2026 | Press release | Distributed by Public on 08/19/2026 12:57

Prospectus by Investment Company (Form 497)

SUP-ETF01-0103-0826

AB ACTIVE ETFs ("AB ETFs")

-AB US Large Cap Strategic Equities ETF

(Ticker: LRGC)

AB VALUE FUNDS ("Value Funds")

-AB Core Opportunities Fund

Class A (Ticker: ADGAX); Class C (Ticker: ADGCX); Class I (Ticker: ADGIX);

Advisor Class (Ticker: ADGYX); Class Z (Ticker: ADGZX)

Each of the funds listed above is hereinafter referred to as a "Fund" or, collectively, the "Funds."

Supplement dated August 19, 2026 to the following Prospectuses and Summary Prospectuses, as amended:

Prospectus Date
AB ETFs

March 31, 2026

Value Funds

February 28, 2026

*  *  *  *  *

The following chart replaces the chart under the heading "Portfolio Managers" in the summary sections of the Prospectuses and Summary Prospectuses for the following Funds.

AB US Large Cap Strategic Equities ETF

PORTFOLIO MANAGERS

The following table lists the persons responsible for day-to-day management of the Fund's portfolio:

Employee

Length of Service

Title

Luke Pryor Since 2025 Senior Vice President of the Adviser
Shri Singhvi* Since 2023 Senior Vice President of the Adviser
*

Effective December 31, 2026, Mr. Singhvi will cease to serve as a portfolio manager of the Fund.

AB Core Opportunities Fund

PORTFOLIO MANAGERS

The following table lists the persons responsible for day-to-day management of the Fund's portfolio:

Employee

Length of Service

Title

Luke Pryor Since 2025 Senior Vice President of the Adviser
Shri Singhvi* Since 2025 Senior Vice President of the Adviser
*

Effective December 31, 2026, Mr. Singhvi will cease to serve as a portfolio manager of the Fund.

*  *  *  *  *

The following replaces certain information under the heading "Management of the Funds - Portfolio Managers" in the Prospectuses for the following Funds.

AB US Large Cap Strategic Equities ETF

Fund and Responsible Team

Employee; Length of Service; Title

Principal Occupation(s) During
the Past Five (5) Years

AB US Large Cap Strategic Equities ETF

US Strategic Equities Investment Team

Luke Pryor; since 2025; Senior Vice President of the Adviser Senior Vice President of the Adviser, with which he has been associated since 2021.
Shri Singhvi; since 2023; Senior Vice President of the Adviser* Senior Vice President of the Adviser, with which he has been associated since prior to 2021.
*

Effective December 31, 2026, Mr. Singhvi will cease to serve as a portfolio manager of the Fund.

AB Core Opportunities Fund

Fund

Employee; Length of Service; Title

Principal Occupation(s) During
the Past Five (5) Years

AB Core Opportunities Fund

Luke Pryor; since February 2025; Senior Vice President of the Adviser Senior Vice President of the Adviser, with which he has been associated since 2021.
Shri Singhvi; since February 2025; Senior Vice President of the Adviser* Senior Vice President of the Adviser, with which he has been associated since prior to 2021.
*

Effective December 31, 2026, Mr. Singhvi will cease to serve as a portfolio manager of the Fund.

Each Statement of Additional Information is revised, as applicable, to incorporate changes conforming to this Supplement.

*  *  *  *  *

This Supplement should be read in conjunction with the Prospectuses and Summary Prospectuses for the Funds.

You should retain this Supplement with your Prospectus(es) for future reference.

The [A/B] Logo is a service mark of AllianceBernstein and AllianceBernstein® is a registered trademark used by permission of the owner, AllianceBernstein L.P.

SUP-ETF01-0103-0826

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AB Core Opportunities Fund Inc. published this content on August 19, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on August 19, 2026 at 18:58 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]