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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/
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  3. Bill Ackman (Pershing Square)
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  • Portfolio11
  • Performance40Q
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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 · 2024Q1
7 positions
1
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
20.10%
of portfolio
Number of shares
743,984 sh
Holdings current value
$2.16B
Avg closing price
$71.95
-50.2%
Last action
Exited
2025Q4
Current $35.83
2
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
18.20%
of portfolio
Number of shares
9,181,180 sh
Holdings current value
$1.96B
Avg closing price
$80.29
+324.7%
Last action
Trimmed 0.0%
2025Q4
Current $341.03
3
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
17.24%
of portfolio
Number of shares
23,348,135 sh
Holdings current value
$1.86B
Avg closing price
$44.61
+75.6%
Last action
Trimmed 0.2%
2025Q4
Current $78.32
4
GOOGALPHABET INC
Communication Services·Internet Content & Information
13.27%
of portfolio
Number of shares
9,377,195 sh
Holdings current value
$1.43B
Avg closing price
$106.37
+219.1%
Last action
Trimmed 1.7%
2025Q4
Current $339.40
5
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
12.72%
of portfolio
Number of shares
18,852,064 sh
Holdings current value
$1.37B
Avg closing price
$75.37
-12.5%
Last action
New holding
2025Q1
Current $65.94
6
CPCANADIAN PACIFIC KANSAS CITY
Industrials·Railroads
12.37%
of portfolio
Number of shares
15,095,528 sh
Holdings current value
$1.33B
Avg closing price
$80.77
+0.9%
Last action
Exited
2025Q2
Current $81.48
7
GOOGLALPHABET INC
Communication Services·Internet Content & Information
6.11%
of portfolio
Number of shares
4,354,824 sh
Holdings current value
$657.27M
Avg closing price
$130.57
+161.7%
Last action
Trimmed 48.9%
2025Q4
Current $341.68

Portfolio heatmap

Box size = % of portfolio · color = return since filing
CMG
20.10% · -98.8%
HLT
18.20% · +59.9%
QSR
17.24% · -1.4%
GOOG
13.27% · +122.9%
HHH
12.72% · -9.2%
CP
12.37% · -7.6%
GOOGL
6.11% · +126.4%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical3 pos$5.98B55.5%
  • Communication Services2 pos$2.09B19.4%
  • Real Estate1 pos$1.37B12.7%
  • Industrials1 pos$1.33B12.4%