Bill Ackman
Filed by Pershing Square Inc. from Q2 2026, the public parent for 6 related managers. Pershing Square Capital Management, L.P. filed alone before that. Return history ends at Q1 2026.
SEC filing$100,000 to $176,938
$100,000 in SPY: $211,280.
Total return
+76.9%
Annualized (4Y CAGR)
+15.7%
vs SPY
−5.4 pts/yr
Moves a year
24
Avg hold
2.1 years
17 filings · quarters -15.8% to +13.1%
All time
+622% since Aug 14, 2013
Fund size $14B today
Position-weighted returns use each SEC filing date. Options use underlying-stock proxies, not option premiums; put proxies can lose more than 100%. Cash, shorts, non-13F holdings and trades between filings are excluded.
$19.5B in this filing14 positions
Holdings as of Jun 30, 2026. Filed Aug 14, 2026.
Change is vs Mar 31, 2026, when Pershing Square Capital Management, L.P. filed alone. n/a marks positions a newly included entity also holds.
Share change vs Mar 31
Top 10 concentration: 94%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.
The holdings shown are for the period ending Jun 30, 2026. They describe the filing entity's reportable positions, not Bill Ackman's personal portfolio. Additions and reductions compare quarter-end snapshots, not exact trade dates. Use the quarter selector for history and follow the fund for its reported activity.
Q1 2026 holdings. Exact trade dates are not disclosed.