Bill Ackman
Pershing Square Capital Management
Founder of Pershing Square. Runs a concentrated portfolio of a dozen or so large companies and is known for public activist campaigns.
13F portfolio value
Q1 2026
$13.71B
1-year growth
+14.9%
2-year growth
+27.4%
Positions
11
Top 10 share
99.9%
Quarterly turnover
18.1%
Last filed
May 15, 2026
Q1 2026: summary
MakklerAI- MSFT was a new position at 15.3% of the portfolio, worth $2.1B.
- AMZN shares rose 19.2%; its portfolio weight increased from 14.3% to 17.4%, reaching $2.4B.
- GOOG and GOOGL shares fell 94.9% and 95.2%; HLT was sold out. BN, UBER and QSR were also trimmed.
- The portfolio held 11 positions worth $13.7B; its top ten made up 99.9%, with 18.1% turnover.
PROEstimated trade prices are PRO
See the average price in the quarter of each buy and sale and the move since. The first row of each group is open as a preview.
New positions 1
Est. buy price PRO
MSFTNewMicrosoft Corporation15.3%
15.26 pt impact
$418.44
+29.9% since
Added to 1
Est. buy price PRO
AMZN+19.2%Amazon.com, Inc.17.4%
2.80 pt impact
$220.17
+17.4% since
Trimmed 5
Est. sell price PRO
GOOG-94.9%Alphabet Inc. Class C0.7%
-12.24 pt impact
$314.16
+11.3% since
GOOGL-95.2%Alphabet Inc. Class A<0.1%
-1.35 pt impact
BN-2.8%Brookfield Corporation17.6%
-0.50 pt impact
UBER-0.8%Uber Technologies, Inc.15.7%
-0.13 pt impact
QSR-1.0%Restaurant Brands International, Inc.12.2%
-0.12 pt impact
Sold out 1
Est. sell price PRO
HLTSoldHilton Worldwide Holdings Inc.5.6%
-5.60 pt impact
$303.16
+8.7% since
MakklerAI
Ask MakklerAI about Bill Ackman's portfolio
Explore this quarter's moves and where each position stands against its estimated buy price and Makkler Fair Value. Answers are based on the 13F and today's prices.