SEPTInvestingStart Free

PS SCHEDULE 13G/A: SEC filing

William A. Ackman and WAA Management LLC

Filed with the SEC on · accession 0001193125-26-460795

PS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +1.6% by the first close after the filing.

Summary of the filing

William A. Ackman and WAA Management LLC filed an amended Schedule 13G reporting beneficial ownership of approximately 45.3% of Pershing Square Inc.'s common stock, including shares held directly, through M Units, trusts, and affiliated entities.

For details, click here →

Key details

Shares beneficially owned by William A. Ackman$181.3M
Shares beneficially owned by WAA Management LLC$153.3M
Shares underlying vested M Units$86.5M
Shares directly held by WAA Management LLC$66.8M
Shares directly held by The PS 2026 GRAT$16.0M
Shares directly held by The Ackman Oxman Institute$10.0M
Shares directly held by Mr. Ackman$1.5M
Shares held by trusts for family members$315K
Shares held by spouse's LLC$168K
Shares with sole voting power held by ManagementCo$170.8M
IssuerPershing Square Inc.
Reporting person / beneficial ownerWAA Management LLC
Holds shares underlying m unitsPershing Square Partner Group, LLC
ShareholderThe PS 2026 GRAT
Charitable foundation shareholderThe Ackman Oxman Institute
Managing member with sole voting powerPershing Square Management, LLC
Reporting person / beneficial ownerWilliam A. Ackman
Managementco memberRyan Israel
Managementco memberBen Hakim
Managementco memberMichael Gonnella
Managementco memberAnthony Massaro
Managementco memberHalit Coussin

How PS stock reacted

Close before

$44.01

Nov 12, 2026

First close after

+1.59%

$44.71

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for PS, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for PS?

Click here

Frequently asked questions

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

PS filed a SCHEDULE 13G/A (SEC filing). William A. Ackman and WAA Management LLC filed an amended Schedule 13G reporting beneficial ownership of approximately 45.3% of Pershing Square Inc.'s common stock, including shares held directly, through M Units, trusts, and affiliated entities.

How do I read a SCHEDULE 13G/A?

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/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did PS stock react to this filing?

PS closed at $44.01 before the filing and $44.71 on Nov 13, 2026 (+1.59%).

Other PS SEC filings

Get alerts when PS files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
PS overviewPS analysisPS newsLatest SEC filings