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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 · 2023Q2
8 positions
1
CMGCHIPOTLE MEXICAN GRILL INC
Consumer Cyclical·Restaurants
18.86%
of portfolio
Number of shares
953,608 sh
Holdings current value
$2.04B
Avg closing price
$71.95
-50.2%
Last action
Exited
2025Q4
Current $35.83
2
QSRRESTAURANT BRANDS INTL INC
Consumer Cyclical·Restaurants
16.73%
of portfolio
Number of shares
23,348,135 sh
Holdings current value
$1.81B
Avg closing price
$44.61
+75.6%
Last action
Trimmed 0.2%
2025Q4
Current $78.32
3
LOWLOWES COS INC
Consumer Cyclical·Home Improvement Retail
15.58%
of portfolio
Number of shares
7,468,850 sh
Holdings current value
$1.69B
Avg closing price
$94.47
+166.5%
Last action
Exited
2024Q1
Current $251.72
4
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
12.56%
of portfolio
Number of shares
9,332,853 sh
Holdings current value
$1.36B
Avg closing price
$80.29
+324.7%
Last action
Trimmed 0.0%
2025Q4
Current $341.03
5
44267D107HOWARD HUGHES CORP
12.09%
of portfolio
Number of shares
16,570,228 sh
Holdings current value
$1.31B
Avg closing price
$70.42
Last action
Exited
2023Q3
Current —
6
CPCANADIAN PACIFIC KANSAS CITY
Industrials·Railroads
11.27%
of portfolio
Number of shares
15,095,528 sh
Holdings current value
$1.22B
Avg closing price
$80.77
+0.9%
Last action
Exited
2025Q2
Current $81.48
7
GOOGALPHABET INC
Communication Services·Internet Content & Information
10.49%
of portfolio
Number of shares
9,377,195 sh
Holdings current value
$1.13B
Avg closing price
$106.37
+219.1%
Last action
Trimmed 1.7%
2025Q4
Current $339.40
8
GOOGLALPHABET INC
Communication Services·Internet Content & Information
2.42%
of portfolio
Number of shares
2,185,000 sh
Holdings current value
$261.54M
Avg closing price
$130.57
+161.7%
Last action
Trimmed 65.6%
2025Q4
Current $341.68

Portfolio heatmap

Box size = % of portfolio · color = return since filing
CMG
18.86% · -98.3%
QSR
16.73% · +1.0%
LOW
15.58% · +11.5%
HLT
12.56% · +134.3%
HOWARD HUGHES CORP
12.09%
CP
11.27% · +0.9%
GOOG
10.49% · +180.6%
GOOGL
2.42% · +185.4%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical4 pos$6.89B72.5%
  • Communication Services2 pos$1.40B14.7%
  • Industrials1 pos$1.22B12.8%
(12.1% unclassified, excluded from %)