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 · 2025Q1
11 positions
1
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
18.50%
of portfolio
Number of shares
30,301,161 sh
Holdings current value
$2.21B
Avg closing price
$72.86
+5.0%
Last action
Trimmed 0.2%
2025Q4
Current $76.48
2
BNBROOKFIELD CORP
Financial Services·Asset Management
18.01%
of portfolio
Number of shares
41,004,657 sh
Holdings current value
$2.15B
Avg closing price
$49.37
-6.9%
Last action
Added 98.8%
2025Q4
Current $45.95
3
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
12.85%
of portfolio
Number of shares
23,000,914 sh
Holdings current value
$1.53B
Avg closing price
$44.61
+74.0%
Last action
Trimmed 0.2%
2025Q4
Current $77.61
4
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
11.71%
of portfolio
Number of shares
18,852,064 sh
Holdings current value
$1.40B
Avg closing price
$75.37
Last action
New holding
2025Q1
Current —
5
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
9.07%
of portfolio
Number of shares
21,541,177 sh
Holdings current value
$1.08B
Avg closing price
$71.95
-51.2%
Last action
Exited
2025Q4
Current $35.08
6
CPCANADIAN PACIFIC KANSAS CITY
Industrials·Railroads
8.71%
of portfolio
Number of shares
14,799,796 sh
Holdings current value
$1.04B
Avg closing price
$80.77
-0.8%
Last action
Exited
2025Q2
Current $80.14
7
GOOGALPHABET INC
Communication Services·Internet Content & Information
8.28%
of portfolio
Number of shares
6,324,031 sh
Holdings current value
$988.00M
Avg closing price
$106.37
+212.9%
Last action
Trimmed 2.5%
2025Q4
Current $332.77
8
GOOGLALPHABET INC
Communication Services·Internet Content & Information
5.75%
of portfolio
Number of shares
4,437,980 sh
Holdings current value
$686.29M
Avg closing price
$130.57
+157.4%
Last action
Trimmed 48.4%
2025Q4
Current $336.02
9
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
5.72%
of portfolio
Number of shares
3,000,770 sh
Holdings current value
$682.83M
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
0.90%
of portfolio
Number of shares
5,023,780 sh
Holdings current value
$107.86M
Avg closing price
$23.95
-6.3%
Last action
New holding
2025Q1
Current $22.44
11
HTZHERTZ GLOBAL HLDGS INC
Industrials·Rental & Leasing Services
0.50%
of portfolio
Number of shares
15,000,000 sh
Holdings current value
$59.10M
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
18.50% · +5.0%
BN
18.01% · -12.3%
QSR
12.85% · +16.5%
HHH
11.71%
CMG
9.07% · -30.1%
CP
8.71% · +14.1%
GOOG
8.28% · +113.0%
GOOGL
5.75% · +117.3%
HLT
5.72% · +45.2%
SEG
0.90% · +4.5%
HTZ
0.50% · +77.2%

Sector exposure

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