AACP SCHEDULE 13G: SEC filing

Westchester Capital Management, LLC and affiliated entities

Filed with the SEC on Nov 13, 2026 · accession 0001140361-26-043525

AACP filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. Westchester Capital Management, LLC and affiliated entities filed a Schedule 13G reporting beneficial ownership of approximately 7.16% of Apogee Acquisition Corp's Class A ordinary shares, alongside related reporting persons including Westchester Capital Partners, Virtus Investment Advisers, and… The stock moved +0.0% by the first close after the filing.

Summary of the filing

Westchester Capital Management, LLC and affiliated entities filed a Schedule 13G reporting beneficial ownership of approximately 7.16% of Apogee Acquisition Corp's Class A ordinary shares, alongside related reporting persons including Westchester Capital Partners, Virtus Investment Advisers, and The Merger Fund.

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Key details

Shares beneficially owned by Westchester Capital Management, LLC$1.3M

Shares beneficially owned by Westchester Capital Partners, LLC$6K

Shares beneficially owned by Virtus Investment Advisers, LLC$1.2M

Shares beneficially owned by The Merger Fund$1.1M

Issuer/subject companyApogee Acquisition Corp

Reporting person / beneficial ownerWestchester Capital Management, LLC

Reporting person / beneficial ownerWestchester Capital Partners, LLC

Reporting person / beneficial ownerVirtus Investment Advisers, LLC

Reporting person / beneficial ownerThe Merger Fund

Chief compliance officerCaSaundra Wu

Chief compliance officerJames Sena

Vice president, counsel and assistant secretaryDaphne Chisolm

Co-presidentRoy Behren

Co-presidentMichael T. Shannon

How AACP stock reacted

Close before

$10.11

Nov 12, 2026

First close after

+0.00%

$10.11

5 trading days

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Since filing

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Frequently asked questions

What did AACP file with the SEC on Nov 13, 2026?

AACP filed a SCHEDULE 13G (SEC filing). Westchester Capital Management, LLC and affiliated entities filed a Schedule 13G reporting beneficial ownership of approximately 7.16% of Apogee Acquisition Corp's Class A ordinary shares, alongside related reporting persons including Westchester Capital Partners, Virtus Investment Advisers, and The Merger Fund.

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did AACP stock react to this filing?

AACP closed at $10.11 before the filing and $10.11 on Nov 13, 2026 (+0.00%).

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