Activist · CIK 0001336528

Bill Ackman

Pershing Square
Share

Bill Ackman runs Pershing Square, an activist overseeing $15.53B in disclosed equity holdings (SEC CIK 0001336528). The latest portfolio (2025Q4) discloses 11 positions across 6 sectors, with the largest positions in BN, UBER and AMZN. On a mark-to-market basis the tracked portfolio has returned 115.0% since 2016Q1. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Bill's filingsView holdings
Portfolio
$15.53B
Positions
11
Quarter
2025Q4
Filings tracked
40
5Y+23.5%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2025Q2
11 positions
1
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
20.59%
of portfolio
Number of shares
30,301,161 sh
Holdings current value
$2.83B
Avg closing price
$72.86
+5.0%
Last action
Trimmed 0.2%
2025Q4
Current $76.48
2
BNBROOKFIELD CORP
Financial Services·Asset Management
18.54%
of portfolio
Number of shares
41,160,397 sh
Holdings current value
$2.55B
Avg closing price
$49.37
-6.9%
Last action
Added 98.1%
2025Q4
Current $45.95
3
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
11.11%
of portfolio
Number of shares
23,000,914 sh
Holdings current value
$1.52B
Avg closing price
$44.61
+74.0%
Last action
Trimmed 0.2%
2025Q4
Current $77.61
4
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
9.31%
of portfolio
Number of shares
5,823,316 sh
Holdings current value
$1.28B
Avg closing price
$223.89
+11.5%
Last action
Added 185.6%
2025Q4
Current $249.70
5
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
9.27%
of portfolio
Number of shares
18,852,064 sh
Holdings current value
$1.27B
Avg closing price
$75.37
Last action
New holding
2025Q1
Current —
6
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
8.81%
of portfolio
Number of shares
21,541,177 sh
Holdings current value
$1.21B
Avg closing price
$71.95
-51.2%
Last action
Exited
2025Q4
Current $35.08
7
GOOGALPHABET INC
Communication Services·Internet Content & Information
8.17%
of portfolio
Number of shares
6,324,031 sh
Holdings current value
$1.12B
Avg closing price
$106.37
+212.9%
Last action
Trimmed 2.5%
2025Q4
Current $332.77
8
GOOGLALPHABET INC
Communication Services·Internet Content & Information
6.88%
of portfolio
Number of shares
5,362,980 sh
Holdings current value
$945.12M
Avg closing price
$130.57
+157.4%
Last action
Trimmed 43.7%
2025Q4
Current $336.02
9
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
5.88%
of portfolio
Number of shares
3,030,578 sh
Holdings current value
$807.16M
Avg closing price
$80.29
+311.5%
Last action
Trimmed 0.1%
2025Q4
Current $330.38
10
HTZHERTZ GLOBAL HLDGS INC
Industrials·Rental & Leasing Services
0.76%
of portfolio
Number of shares
15,241,127 sh
Holdings current value
$104.10M
Avg closing price
$3.75
+86.0%
Last action
Added 1.6%
2025Q2
Current $6.98
11
SEGSEAPORT ENTMT GROUP INC
Real Estate·Real Estate Services
0.68%
of portfolio
Number of shares
5,023,780 sh
Holdings current value
$93.69M
Avg closing price
$23.95
-6.3%
Last action
New holding
2025Q1
Current $22.44

Portfolio heatmap

Box size = % of portfolio · color = return since filing
UBER
20.59% · -18.0%
BN
18.54% · -25.7%
QSR
11.11% · +17.1%
AMZN
9.31% · +13.8%
HHH
9.27%
CMG
8.81% · -37.5%
GOOG
8.17% · +87.6%
GOOGL
6.88% · +90.7%
HLT
5.88% · +24.0%
HTZ
0.76% · +2.2%
SEG
0.68% · +20.3%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.