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 · 2025Q3
11 positions
1
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
20.25%
of portfolio
Number of shares
30,270,518 sh
Holdings current value
$2.97B
Avg closing price
$72.86
+5.0%
Last action
Trimmed 0.2%
2025Q4
Current $76.48
2
BNBROOKFIELD CORP
Financial Services·Asset Management
19.21%
of portfolio
Number of shares
41,020,231 sh
Holdings current value
$2.81B
Avg closing price
$49.37
-6.9%
Last action
Added 98.8%
2025Q4
Current $45.95
3
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
10.58%
of portfolio
Number of shares
18,852,064 sh
Holdings current value
$1.55B
Avg closing price
$75.37
Last action
New holding
2025Q1
Current —
4
GOOGALPHABET INC
Communication Services·Internet Content & Information
10.52%
of portfolio
Number of shares
6,324,031 sh
Holdings current value
$1.54B
Avg closing price
$106.37
+212.9%
Last action
Trimmed 2.5%
2025Q4
Current $332.77
5
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
10.04%
of portfolio
Number of shares
22,915,496 sh
Holdings current value
$1.47B
Avg closing price
$44.61
+74.0%
Last action
Trimmed 0.2%
2025Q4
Current $77.61
6
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
8.73%
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
7
GOOGLALPHABET INC
Communication Services·Internet Content & Information
8.04%
of portfolio
Number of shares
4,843,973 sh
Holdings current value
$1.18B
Avg closing price
$130.57
+157.4%
Last action
Trimmed 46.2%
2025Q4
Current $336.02
8
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
5.77%
of portfolio
Number of shares
21,541,177 sh
Holdings current value
$844.20M
Avg closing price
$71.95
-51.2%
Last action
Exited
2025Q4
Current $35.08
9
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
5.37%
of portfolio
Number of shares
3,030,578 sh
Holdings current value
$786.25M
Avg closing price
$80.29
+311.5%
Last action
Trimmed 0.1%
2025Q4
Current $330.38
10
SEGSEAPORT ENTMT GROUP INC
Real Estate·Real Estate Services
0.79%
of portfolio
Number of shares
5,023,780 sh
Holdings current value
$115.15M
Avg closing price
$23.95
-6.3%
Last action
New holding
2025Q1
Current $22.44
11
HTZHERTZ GLOBAL HLDGS INC
Industrials·Rental & Leasing Services
0.71%
of portfolio
Number of shares
15,241,127 sh
Holdings current value
$103.64M
Avg closing price
$3.75
+86.0%
Last action
Added 1.6%
2025Q2
Current $6.98

Portfolio heatmap

Box size = % of portfolio · color = return since filing
UBER
20.25% · -21.9%
BN
19.21% · -33.0%
HHH
10.58%
GOOG
10.52% · +36.6%
QSR
10.04% · +21.0%
AMZN
8.73% · +13.7%
GOOGL
8.04% · +38.2%
CMG
5.77% · -10.5%
HLT
5.37% · +27.3%
SEG
0.79% · -2.1%
HTZ
0.71% · +2.6%

Sector exposure

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