Activist · CIK 0001336528

Bill Ackman

Pershing Square
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Bill Ackman runs Pershing Square, an activist overseeing $15.53B in disclosed equity holdings (SEC CIK 0001336528). The latest 13F filing (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 90.7% over the past year. OpenStocks tracks 40 consecutive 13F filings 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
1Y+90.7%3Y+19.8%5Y+23.5%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
Capital flow per quarter
BuysSellsNet
+$12.92B+$6.46B$0-$6.46B-$12.92B'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1'24Q2'24Q3'24Q4'25Q1'25Q2'25Q3'25Q4
Latest · 2025Q4
+$1.37B
Lifetime buys
$36.53B
Lifetime sells
$25.14B

Quarter activity

What changed in 2025Q4 — net new, added, trimmed, exited.
New positions1 name
  • METAMETA PLATFORMS INC
    +2,673,569
    $1.76B
Added to2 names
  • BNBROOKFIELD CORP
    +20,382,858
    $935.4M
  • AMZNAMAZON COM INC
    +3,784,508
    $873.5M
Trimmed5 names
  • GOOGLALPHABET INC
    −4,165,676
    $1.30B
  • GOOGALPHABET INC
    −160,160
    $50.3M
  • UBERUBER TECHNOLOGIES INC
    −62,784
    $5.1M
  • QSRRESTAURANT BRANDS INTL INC
    −48,723
    $3.3M
  • HLTHILTON WORLDWIDE HLDGS INC
    −1,914
    $550K
Exited1 name
  • CMGCHIPOTLE MEXICAN GRILL INC
    −21,541,177
    $844.2M

Recent transactions

Last 20 moves
TRIM
Bill Ackman (Pershing Square) trimmed GOOGL
ALPHABET INC
−4,165,676
~$313.00 · 2025Q4
2026-02-17
SOLD
Bill Ackman (Pershing Square) exited CMG
CHIPOTLE MEXICAN GRILL INC
−21,541,177
~$39.19 · 2025Q4
2026-02-17
ADD
Bill Ackman (Pershing Square) added to AMZN
AMAZON COM INC
+3,784,508
~$230.82 · 2025Q4
2026-02-17
TRIM
Bill Ackman (Pershing Square) trimmed GOOG
ALPHABET INC
−160,160
~$313.80 · 2025Q4
2026-02-17
TRIM
Bill Ackman (Pershing Square) trimmed UBER
UBER TECHNOLOGIES INC
−62,784
~$81.71 · 2025Q4
2026-02-17
TRIM
Bill Ackman (Pershing Square) trimmed QSR
RESTAURANT BRANDS INTL INC
−48,723
~$68.23 · 2025Q4
2026-02-17
NEW
Bill Ackman (Pershing Square) opened a new position in META
META PLATFORMS INC
+2,673,569
~$660.09 · 2025Q4
2026-02-17
ADD
Bill Ackman (Pershing Square) added to BN
BROOKFIELD CORP
+20,382,858
~$45.89 · 2025Q4
2026-02-17
TRIM
Bill Ackman (Pershing Square) trimmed HLT
HILTON WORLDWIDE HLDGS INC
−1,914
~$287.25 · 2025Q4
2026-02-17
TRIM
Bill Ackman (Pershing Square) trimmed UBER
UBER TECHNOLOGIES INC
−30,643
~$97.97 · 2025Q3
2025-11-14
TRIM
Bill Ackman (Pershing Square) trimmed BN
BROOKFIELD CORP
−140,166
~$68.58 · 2025Q3
2025-11-14
TRIM
Bill Ackman (Pershing Square) trimmed GOOGL
ALPHABET INC
−519,007
~$243.10 · 2025Q3
2025-11-14
TRIM
Bill Ackman (Pershing Square) trimmed QSR
RESTAURANT BRANDS INTL INC
−85,418
~$64.14 · 2025Q3
2025-11-14
ADD
Bill Ackman (Pershing Square) added to BN
BROOKFIELD CORP
+155,740
~$61.85 · 2025Q2
2025-08-14
ADD
Bill Ackman (Pershing Square) added to HTZ
HERTZ GLOBAL HLDGS INC
+241,127
~$6.83 · 2025Q2
2025-08-14
NEW
Bill Ackman (Pershing Square) opened a new position in AMZN
AMAZON COM INC
+5,823,316
~$219.39 · 2025Q2
2025-08-14
ADD
Bill Ackman (Pershing Square) added to GOOGL
ALPHABET INC
+925,000
~$176.23 · 2025Q2
2025-08-14
SOLD
Bill Ackman (Pershing Square) exited CP
CANADIAN PACIFIC KANSAS CITY
−14,799,796
~$70.21 · 2025Q2
2025-08-14
ADD
Bill Ackman (Pershing Square) added to HLT
HILTON WORLDWIDE HLDGS INC
+29,808
~$266.34 · 2025Q2
2025-08-14
ADD
Bill Ackman (Pershing Square) added to HTZ
HERTZ GLOBAL HLDGS INC
+2,286,037
~$3.94 · 2025Q1
2025-05-15