Family Office · CIK 0001536411
Stanley Druckenmiller
Duquesne
Stanley Druckenmiller runs Duquesne, a family office overseeing $4.5M in disclosed equity holdings (SEC CIK 0001536411). The latest portfolio (2025Q4) discloses 58 positions across 9 sectors, with the largest positions in NTRA, XLF and INSM. On a mark-to-market basis the tracked portfolio has returned 57.9% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
Portfolio
$4.49M
Positions
58
Quarter
2025Q4
Filings tracked
40
Biggest winner since filing
VRTVERTIV HOLDINGS CO
+23567.6%
+$597.5M
Biggest loser since filing
WSCWILLSCOT MOBIL MINI HLDNG CO
-53.1%
−$4.6M
Investment strategy
Stanley Druckenmiller is a boutique. Disclosed equity book is under $1B.
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<iframe src="https://openstocks.me/embed/stock/CPNG" width="100%" height="480" frameborder="0" loading="lazy" title="CPNG chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Holdings
10 sectors48 positions
Top 3 = 32% of book · CPNG, NVDA, MSFT
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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
Stanley Druckenmiller has no PUT or CALL positions disclosed for this quarter.
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Activity & trades
Quarter-by-quarterLast move 2025Q4
TRIM AEVA — and 4 more recent moves.
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Recent transactions
See full activity →TRIM
AEVA TECHNOLOGIES INC
−14,452
~$0.01 · 2025Q4
2026-02-17
SOLD
DICKS SPORTING GOODS INC
−132,425
~$0.22 · 2025Q4
2026-02-17
NEW
BLOOM ENERGY CORP
+740,545
~$0.09 · 2025Q4
2026-02-17
ADD
CHIPOTLE MEXICAN GRILL INC
+158,725
~$0.04 · 2025Q4
2026-02-17