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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
  2. Super Investors/
  3. Bill Ackman (Pershing Square)
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  • Portfolio11
  • Performance40Q
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  • Activity233
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Activist · CIK 0001336528

Bill Ackman

Pershing Square
Share
  • Concentrated
  • Large Fund

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 117.4% 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
Since filing+117.4%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
+5.8%
Last action
Trimmed 0.2%
2025Q4
Current $77.12
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
-5.6%
Last action
Added 98.8%
2025Q4
Current $46.59
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
+75.6%
Last action
Trimmed 0.2%
2025Q4
Current $78.32
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
-12.5%
Last action
New holding
2025Q1
Current $65.94
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
-50.2%
Last action
Exited
2025Q4
Current $35.83
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
+0.9%
Last action
Exited
2025Q2
Current $81.48
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
+219.1%
Last action
Trimmed 2.5%
2025Q4
Current $339.40
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
+161.7%
Last action
Trimmed 48.4%
2025Q4
Current $341.68
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
+324.7%
Last action
Trimmed 0.1%
2025Q4
Current $341.03
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
-5.2%
Last action
New holding
2025Q1
Current $22.71
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
+98.0%
Last action
Added 1.6%
2025Q2
Current $7.43

Portfolio heatmap

Box size = % of portfolio · color = return since filing
UBER
18.50% · +5.8%
BN
18.01% · -11.1%
QSR
12.85% · +17.5%
HHH
11.71% · -11.0%
CMG
9.07% · -28.6%
CP
8.71% · +16.1%
GOOG
8.28% · +117.2%
GOOGL
5.75% · +121.0%
HLT
5.72% · +49.9%
SEG
0.90% · +5.8%
HTZ
0.50% · +88.6%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical3 pos$3.30B27.6%
  • Technology1 pos$2.21B18.5%
  • Financial Services1 pos$2.15B18.0%
  • Communication Services2 pos$1.67B14.0%
  • Real Estate2 pos$1.50B12.6%
  • Industrials2 pos$1.10B9.2%