Bill Ackman Pershing Square Capital Management
Bill Ackman is the founder and CEO of Pershing Square Capital Management, a New York–based hedge fund. He employs an activist investing approach, seeking to influence the management and direction of the publicly traded companies in which he invests. Frequently in the public eye, Ackman has been noted for both high-profile successes and controversies, such as his well-known short position in Herbalife.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$2.37B |
| 2 |
Amazon
AMZN
|
+$406M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class C
GOOG
|
+$1.84B |
| 2 |
Hilton Worldwide
HLT
|
+$870M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$203M |
| 4 |
Brookfield
BN
|
+$75.6M |
| 5 |
Uber
UBER
|
+$19.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 30.97% |
| 2 | Consumer Discretionary | 29.59% |
| 3 | Financials | 17.62% |
| 4 | Communication Services | 11.82% |
| 5 | Real Estate | 9.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Brookfield
BN
$110B
| $2.42B | 17.62% |
59,697,208
-1,705,881
| -3% | -$75.6M |
|
|
2
Amazon
AMZN
$2.94T
| $2.39B | 17.39% |
11,451,981
+1,844,157
| +19% | +$406M |
|
|
3
Uber
UBER
$160B
| $2.15B | 15.71% |
29,958,771
-248,963
| -0.8% | -$19.2M |
|
|
4
Microsoft
MSFT
$3.74T
| $2.09B | 15.26% |
+5,654,078
| New | +$2.37B |
|
5
Restaurant Brands International
QSR
$25.6B
| $1.67B | 12.2% |
22,645,483
-221,290
| -1% | -$15.5M |
|
6
Meta Platforms (Facebook)
META
$1.53T
| $1.52B | 11.1% |
2,660,861
-12,708
| -0.5% | -$8.14M |
|
7
Howard Hughes
HHH
$4B
| $1.19B | 8.7% |
18,852,064
| – | – |
|
|
SEG
8
Seaport Entertainment Group
SEG
$374M
| $108M | 0.79% |
5,023,780
| – | – |
|
|
9
Alphabet (Google) Class C
GOOG
$4.19T
| $89.4M | 0.65% |
311,726
-5,852,145
| -95% | -$1.84B |
|
10
Hertz
HTZ
$873M
| $70.3M | 0.51% |
15,241,127
| – | – |
|
|
11
Alphabet (Google) Class A
GOOGL
$4.2T
| $9.31M | 0.07% |
32,376
-645,921
| -95% | -$203M |
|
|
12
Hilton Worldwide
HLT
$70.8B
| – | – |
-3,028,664
| Closed | -$870M |
|
Similar funds
Bill Ackman's Q1 2026 Portfolio in Review
As of Q1 2026, Bill Ackman held 12 positions worth $13.7B, down 12% from $15.5B the previous quarter. Its ten largest holdings account for 100% of the portfolio.
Bill Ackman's Q1 2026 filing shows 1 new, 1 increased, 6 reduced and 1 closed positions. Its largest new stake was Microsoft: 5,654,078 shares worth $2.09B. The largest sale was Alphabet (Google) Class C, an estimated $1.84B.
By sector, the portfolio is most concentrated in Technology at 31% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Financials.
- Bill Ackman's largest Q1 2026 buy was Microsoft: 5,654,078 shares worth $2.09B.
- Bill Ackman added most to Amazon in Q1 2026, an estimated $406M increase.
- Bill Ackman's biggest Q1 2026 reduction was Alphabet (Google) Class C, cutting an estimated $1.84B.
- Bill Ackman fully exited Hilton Worldwide in Q1 2026, selling an estimated $870M.
- Bill Ackman's ten largest holdings make up 100% of its $13.7B portfolio in Q1 2026.
- Bill Ackman opened 1 new position and closed 1 in Q1 2026.
- Bill Ackman's portfolio value fell 12% quarter-over-quarter to $13.7B.
Based on Pershing Square Capital Management's 13F filing for Q1 2026, filed 15 May 2026.