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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. Stephen Mandel (Lone Pine Capital)
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  • Portfolio32
  • Performance40Q
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  • Activity1.3k
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Hedge Fund · CIK 0001061165

Stephen Mandel

Lone Pine Capital
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  • Large Fund

Stephen Mandel runs Lone Pine Capital, a hedge fund overseeing $13.61B in disclosed equity holdings (SEC CIK 0001061165). The latest portfolio (2025Q4) discloses 32 positions across 9 sectors, with the largest positions in TSM, VST and CVNA. On a mark-to-market basis the tracked portfolio has returned 31.7% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Stephen's filingsView holdings↓
Portfolio
$13.61B
Positions
32
Quarter
2025Q4
Filings tracked
40
1Y+31.7%Since filing+177.7%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
Capital flow per quarter
BuysSellsNet
+$11.03B+$5.51B$0-$5.51B-$11.03B'20Q3'20Q4'21Q1'21Q2'21Q3'21Q4'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1'24Q2
Latest · 2024Q2
-$920M
Lifetime buys
$58.52B
Lifetime sells
$70.76B

Quarter activity

What changed in 2024Q2 - net new, added, trimmed, exited.
New positions4 names
  • UNHUNITEDHEALTH GROUP INC
    +944,317
    $480.9M
  • HWMHOWMET AEROSPACE INC
    +3,665,321
    $284.5M
  • GEVGE VERNOVA LLC
    +1,477,008
    $253.3M
  • ARESARES MANAGEMENT CORPORATION
    +1,574,763
    $209.9M
Added to9 names
  • MAMASTERCARD INCORPORATED
    +363,133
    $160.2M
  • CEGCONSTELLATION ENERGY CORP
    +728,992
    $146.0M
  • ASMLASML HOLDING N V
    +93,851
    $96.0M
  • BBWIBATH & BODY WORKS INC
    +1,547,399
    $60.4M
  • XYZBLOCK INC
    +934,588
    $60.3M
  • MSFTMICROSOFT CORP
    +90,287
    $40.4M
  • VSTVISTRA CORP
    +425,126
    $36.6M
  • APPAPPLOVIN CORP
    +382,767
    $31.9M
  • BKNGBOOKING HOLDINGS INC
    +883
    $3.5M
Trimmed6 names
  • METAMETA PLATFORMS INC
    −743,380
    $374.8M
  • PTCPTC INC
    −419,759
    $76.3M
  • KKRKKR & CO INC
    −606,614
    $63.8M
  • TSMTAIWAN SEMICONDUCTOR MFG LTD
    −170,326
    $29.6M
  • AMZNAMAZON COM INC
    −45,201
    $8.7M
  • AVDXAVIDXCHANGE HOLDINGS INC
    −2,291
    $28K
Exited6 names
  • CRMSALESFORCE COM INC
    −2,400,267
    $722.9M
  • WDAYWORKDAY INC
    −1,414,824
    $385.9M
  • LYVLIVE NATION ENTERTAINMENT IN
    −3,217,551
    $340.3M
  • DKSDICKS SPORTING GOODS INC
    −1,198,897
    $269.6M
  • EPAMEPAM SYS INC
    −929,917
    $256.8M
  • IBNICICI BANK LIMITED
    −9,642,665
    $254.7M

Recent transactions

Last 20 moves
TRIM
Stephen Mandel (Lone Pine Capital) trimmed COF
CAPITAL ONE FINL CORP
−274,600
~$242.36 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to BN
BROOKFIELD CORP
+5,742,012
~$45.89 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to CVNA
CARVANA CO
+14,037
~$422.02 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited CIEN
CIENA CORP
−2,006,662
~$145.67 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited EQT
EQT CORP
−8,361,889
~$54.43 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited ETSY
ETSY INC
−3,880,316
~$66.39 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited G3643J108
FLUTTER ENTMT PLC
−1,733,336
~$254.00 · 2025Q4
2026-02-17
TRIM
Stephen Mandel (Lone Pine Capital) trimmed LPLA
LPL FINL HLDGS INC
−180,766
~$357.17 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited META
META PLATFORMS INC
−1,322,260
~$734.38 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to MSFT
MICROSOFT CORP
+25,520
~$483.62 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to NU
NU HLDGS LTD
+4,223,788
~$16.74 · 2025Q4
2026-02-17
TRIM
Stephen Mandel (Lone Pine Capital) trimmed PM
PHILIP MORRIS INTL INC
−1,970,864
~$160.40 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited SE
SEA LTD
−1,869,501
~$178.73 · 2025Q4
2026-02-17
SOLD
Stephen Mandel (Lone Pine Capital) exited SBUX
STARBUCKS CORP
−5,561,954
~$84.60 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to TLN
TALEN ENERGY CORP
+100,000
~$374.84 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to VST
VISTRA CORP
+512,644
~$161.33 · 2025Q4
2026-02-17
ADD
Stephen Mandel (Lone Pine Capital) added to VMC
VULCAN MATLS CO
+299,308
~$285.22 · 2025Q4
2026-02-17
TRIM
Stephen Mandel (Lone Pine Capital) trimmed APH
AMPHENOL CORP NEW
−213,458
~$135.14 · 2025Q4
2026-02-17
TRIM
Stephen Mandel (Lone Pine Capital) trimmed BKNG
BOOKING HOLDINGS INC
−26,521
~$5355.33 · 2025Q4
2026-02-17
TRIM
Stephen Mandel (Lone Pine Capital) trimmed APP
APPLOVIN CORP
−328,608
~$673.82 · 2025Q4
2026-02-17