Hedge Fund · CIK 0001061165
Stephen Mandel
Lone Pine Capital
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.
Portfolio
$13.61B
Positions
32
Quarter
2025Q4
Filings tracked
40
Biggest winner since filing
TSMTAIWAN SEMICONDUCTOR MFG LTD
+500.8%
+$2.48B
Biggest loser since filing
BBWIBATH & BODY WORKS INC
-68.3%
−$760.1M
Investment strategy
Stephen Mandel is a large fund tilted toward technology names. 40% of the disclosed equity book is in Technology.
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<iframe src="https://openstocks.me/embed/stock/WDAY" width="100%" height="480" frameborder="0" loading="lazy" title="WDAY chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Holdings
6 sectors29 positions
Top 3 = 22% of book · WDAY, MSFT, TSM
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Performance
vs SPY40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
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Options & derivatives
No options
Stephen Mandel has no PUT or CALL positions disclosed for this quarter.
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Activity & trades
Quarter-by-quarterLast move 2025Q4
TRIM COF — and 4 more recent moves.
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Recent transactions
See full activity →TRIM
CAPITAL ONE FINL CORP
−274,600
~$242.36 · 2025Q4
2026-02-17
ADD
BROOKFIELD CORP
+5,742,012
~$45.89 · 2025Q4
2026-02-17
