Pershing Square (Bill Ackman)
Pershing Square Capital Management, L.P. · CIK 0001336528 · NEW YORK, NY · Quarter end: 2026-03-31 · Filed on: 2026-05-15 · Open the SEC source ↗Activist Investor
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$13.71B
2026 Q1
Positions
11
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
99.9%
Est. Net Flow (Q)
—
2026 Q1
Portfolio Composition
Sector Allocation
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Related managers
Five closest superinvestors by Jaccard overlap of tickers held in the latest quarter (computed nightly).
| Manager | Overlap | Shared holdings |
|---|---|---|
| Altimeter Capital Management | 19.2% | MSFT, GOOGL, UBER, AMZN, META |
| Greenlea Lane Capital (Josh Tarasoff) | 16.7% | GOOGL, BN, AMZN |
| RV Capital (Robert Vinall) | 14.3% | MSFT, GOOGL, META |
| Corvex Management | 12.9% | MSFT, QSR, AMZN, META |
| Appaloosa (David Tepper) | 12.5% | GOOG, UBER, AMZN, META |
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.