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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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  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 · 2023Q3
8 positions
1
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
16.65%
of portfolio
Number of shares
953,608 sh
Holdings current value
$1.75B
Avg closing price
$71.95
-50.2%
Last action
Exited
2025Q4
Current $35.83
2
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
14.82%
of portfolio
Number of shares
23,348,135 sh
Holdings current value
$1.56B
Avg closing price
$44.61
+75.6%
Last action
Trimmed 0.2%
2025Q4
Current $78.32
3
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
14.75%
of portfolio
Number of shares
10,305,500 sh
Holdings current value
$1.55B
Avg closing price
$80.29
+324.7%
Last action
Trimmed 0.0%
2025Q4
Current $341.03
4
LOWLOWES COS INC
Consumer Cyclical·Home Improvement Retail
14.00%
of portfolio
Number of shares
7,066,623 sh
Holdings current value
$1.47B
Avg closing price
$94.47
+166.5%
Last action
Exited
2024Q1
Current $251.72
5
HHHHOWARD HUGHES HOLDINGS INC
Real Estate·Real Estate - Development
11.87%
of portfolio
Number of shares
16,806,908 sh
Holdings current value
$1.25B
Avg closing price
$75.37
-12.5%
Last action
New holding
2025Q1
Current $65.94
6
GOOGALPHABET INC
Communication Services·Internet Content & Information
11.78%
of portfolio
Number of shares
9,377,195 sh
Holdings current value
$1.24B
Avg closing price
$106.37
+219.1%
Last action
Trimmed 1.7%
2025Q4
Current $339.40
7
CPCANADIAN PACIFIC KANSAS CITY
Industrials·Railroads
10.70%
of portfolio
Number of shares
15,095,528 sh
Holdings current value
$1.12B
Avg closing price
$80.77
+0.9%
Last action
Exited
2025Q2
Current $81.48
8
GOOGLALPHABET INC
Communication Services·Internet Content & Information
5.43%
of portfolio
Number of shares
4,354,824 sh
Holdings current value
$569.87M
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
16.65% · -98.0%
QSR
14.82% · +17.6%
HLT
14.75% · +127.1%
LOW
14.00% · +21.1%
HHH
11.87% · -11.0%
GOOG
11.78% · +157.4%
CP
10.70% · +9.5%
GOOGL
5.43% · +161.1%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical4 pos$6.32B60.2%
  • Communication Services2 pos$1.81B17.2%
  • Real Estate1 pos$1.25B11.9%
  • Industrials1 pos$1.12B10.7%