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PLUN SCHEDULE 13G: SEC filing

Filed with the SEC on · accession 0001140361-26-043536

PLUN filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +0.0% by the first close after the filing.

Summary of the filing

Westchester Capital Management, Westchester Capital Partners, and Virtus Investment Advisers filed a joint Schedule 13G disclosing passive ownership stakes in Plutonian Acquisition Corp. II, with Westchester holding 5.59% and Virtus holding 5.14% of Class A ordinary shares.

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Key details

Westchester Capital Management shares beneficially ownedshares 636K
Westchester Capital Partners shares beneficially ownedshares 4K
Virtus Investment Advisers shares beneficially ownedshares 585K
Total shares outstandingshares 11.4M
IssuerPlutonian Acquisition Corp. II
Reporting person / beneficial owner (5.59%)Westchester Capital Management, LLC
Reporting person / beneficial owner (0.03%)Westchester Capital Partners, LLC
Reporting person / beneficial owner (5.14%)Virtus Investment Advisers, LLC
Chief compliance officerCaSaundra Wu
Chief compliance officerJames Sena
Co-presidentRoy Behren
Co-presidentMichael T. Shannon

How PLUN stock reacted

Close before

$10.17

Nov 12, 2026

First close after

+0.00%

$10.17

5 trading days

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Since filing

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Frequently asked questions

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

PLUN filed a SCHEDULE 13G (SEC filing). Westchester Capital Management, Westchester Capital Partners, and Virtus Investment Advisers filed a joint Schedule 13G disclosing passive ownership stakes in Plutonian Acquisition Corp. II, with Westchester holding 5.59% and Virtus holding 5.14% of Class A ordinary shares.

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 PLUN stock react to this filing?

PLUN closed at $10.17 before the filing and $10.17 on Nov 13, 2026 (+0.00%).

Other PLUN SEC filings

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