B
Bill Ackman
Pershing Square Capital Management, L.P. · Holdings as of Mar 31, 2026, filed by May 16, 2026 · US long stock positions only
A dozen concentrated activist bets at a time.
Reported value
$14B
11 positions shown
Copycat since 2016
3.92x
14% per year
vs SPY
ahead
SPY 3.57x same window
Top position
BN
18% of book
Copying these filings vs SPY $1 at every deadline since 2016
Bill Ackman 3.92x
SPY 3.57x
Price returns, dividends excluded on both lines. A copycat of public filings traded at each deadline, not the fund's actual performance.
The book tile = share of the filed book · tap a tile for the ticker · Mar 2026
Symbol Value % of book vs prior quarter
BN $2.4B
18%
trimmed
AMZN $2.4B
17%
added
UBER $2.2B
16%
unchanged
MSFT $2.1B
15%
new
QSR $1.7B
12%
unchanged
META $1.5B
11%
unchanged
HHH $1.2B
9%
unchanged
SEG $108M
1%
unchanged
GOOG $89M
1%
trimmed
HTZ $70M
1%
unchanged
GOOGL $9M
0%
trimmed
Positions built under SEC confidential treatment appear only after the SEC releases them. Cash, foreign listings and shorts never appear in these filings.