Activist · CIK 0001336528

Bill Ackman

Pershing Square

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 115.0% since 2016Q1. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Bill's filings View holdings

Portfolio

$15.53B

Positions

11

Quarter

2025Q4

Filings tracked

40

5Y+23.5%Full performance →

Quarter

2025Q4 2025Q3 2025Q2 2025Q1 2024Q4 2024Q3 2024Q2 2024Q1 2023Q4 2023Q3 2023Q2 2023Q1

Holdings

Sorted by value · 2024Q3

Sector11 positions

1

BNBROOKFIELD CORP

Financial Services·Asset Management

13.47%

of portfolio

Number of shares

32,735,883 sh

Holdings current value

$1.74B

Avg closing price

$49.37

-6.9%

Last action

Added 165.0%

2025Q4

Current $45.95

2

HLTHILTON WORLDWIDE HLDGS INC

Consumer Cyclical·Lodging

13.15%

of portfolio

Number of shares

7,370,168 sh

Holdings current value

$1.70B

Avg closing price

$80.29

+311.5%

Last action

Trimmed 0.0%

2025Q4

Current $330.38

3

CMGCHIPOTLE MEXICAN GRILL INC

Consumer Cyclical·Restaurants

12.85%

of portfolio

Number of shares

28,815,165 sh

Holdings current value

$1.66B

Avg closing price

$71.95

-51.2%

Last action

Exited

2025Q4

Current $35.08

4

QSRRESTAURANT BRANDS INTL INC

Consumer Cyclical·Restaurants

12.84%

of portfolio

Number of shares

23,000,914 sh

Holdings current value

$1.66B

Avg closing price

$44.61

+74.0%

Last action

Trimmed 0.2%

2025Q4

Current $77.61

5

HHHHOWARD HUGHES HOLDINGS INC

Real Estate·Real Estate - Development

11.30%

of portfolio

Number of shares

18,852,064 sh

Holdings current value

$1.46B

Avg closing price

$75.37

Last action

New holding

2025Q1

Current —

6

NKENIKE INC

Consumer Cyclical·Footwear & Accessories

11.14%

of portfolio

Number of shares

16,280,338 sh

Holdings current value

$1.44B

Avg closing price

$83.57

-45.3%

Last action

Exited

2024Q4

Current $45.70

7

CPCANADIAN PACIFIC KANSAS CITY

Industrials·Railroads

9.85%

of portfolio

Number of shares

14,877,651 sh

Holdings current value

$1.27B

Avg closing price

$80.77

-0.8%

Last action

Exited

2025Q2

Current $80.14

8

GOOGALPHABET INC

Communication Services·Internet Content & Information

9.77%

of portfolio

Number of shares

7,547,582 sh

Holdings current value

$1.26B

Avg closing price

$106.37

+212.9%

Last action

Trimmed 2.1%

2025Q4

Current $332.77

9

GOOGLALPHABET INC

Communication Services·Internet Content & Information

5.12%

of portfolio

Number of shares

3,986,488 sh

Holdings current value

$661.16M

Avg closing price

$130.57

+157.4%

Last action

Trimmed 51.1%

2025Q4

Current $336.02

10

SEGSEAPORT ENTMT GROUP INC

Real Estate·Real Estate Services

0.44%

of portfolio

Number of shares

2,094,673 sh

Holdings current value

$57.44M

Avg closing price

$23.95

-6.3%

Last action

New holding

2025Q1

Current $22.44

11

812215101SEAPORT ENTMT GROUP INC

0.05%

of portfolio

Number of shares

2,094,673 sh

Holdings current value

$6.18M

Avg closing price

$2.95

Last action

Exited

2024Q4

Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing

13.47% · -13.5%

13.15% · +43.3%

12.85% · -39.1%

12.84% · +7.6%

11.14% · -48.3%

9.77% · +99.0%

5.12% · +102.6%

0.44% · -18.2%

SEAPORT ENTMT GROUP INC

0.05%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.

Consumer Cyclical4 pos$6.46B50.0%
Communication Services2 pos$1.92B14.9%
Financial Services1 pos$1.74B13.5%
Real Estate2 pos$1.52B11.8%
Industrials1 pos$1.27B9.9%