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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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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 · 2023Q4
8 positions
1
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
18.15%
of portfolio
Number of shares
824,998 sh
Holdings current value
$1.89B
Avg closing price
$71.95
-50.2%
Last action
Exited
2025Q4
Current $35.83
2
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
17.55%
of portfolio
Number of shares
23,348,135 sh
Holdings current value
$1.82B
Avg closing price
$44.61
+75.6%
Last action
Trimmed 0.2%
2025Q4
Current $78.32
3
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
16.08%
of portfolio
Number of shares
9,181,180 sh
Holdings current value
$1.67B
Avg closing price
$80.29
+324.7%
Last action
Trimmed 0.0%
2025Q4
Current $341.03
4
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
15.51%
of portfolio
Number of shares
18,852,064 sh
Holdings current value
$1.61B
Avg closing price
$75.37
-12.5%
Last action
New holding
2025Q1
Current $65.94
5
GOOGALPHABET INC
Communication Services·Internet Content & Information
12.71%
of portfolio
Number of shares
9,377,195 sh
Holdings current value
$1.32B
Avg closing price
$106.37
+219.1%
Last action
Trimmed 1.7%
2025Q4
Current $339.40
6
CPCANADIAN PACIFIC KANSAS CITY
Industrials·Railroads
11.48%
of portfolio
Number of shares
15,095,528 sh
Holdings current value
$1.19B
Avg closing price
$80.77
+0.9%
Last action
Exited
2025Q2
Current $81.48
7
GOOGLALPHABET INC
Communication Services·Internet Content & Information
5.85%
of portfolio
Number of shares
4,354,824 sh
Holdings current value
$608.33M
Avg closing price
$130.57
+161.7%
Last action
Trimmed 48.9%
2025Q4
Current $341.68
8
LOWLOWES COS INC
Consumer Cyclical·Home Improvement Retail
2.67%
of portfolio
Number of shares
1,245,515 sh
Holdings current value
$277.19M
Avg closing price
$94.47
+166.5%
Last action
Exited
2024Q1
Current $251.72

Portfolio heatmap

Box size = % of portfolio · color = return since filing
CMG
18.15% · -98.4%
QSR
17.55% · +0.2%
HLT
16.08% · +87.3%
HHH
15.51% · -22.9%
GOOG
12.71% · +140.8%
CP
11.48% · +3.1%
GOOGL
5.85% · +144.6%
LOW
2.67% · +13.1%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical4 pos$5.66B54.4%
  • Communication Services2 pos$1.93B18.6%
  • Real Estate1 pos$1.61B15.5%
  • Industrials1 pos$1.19B11.5%