Family Office · CIK 0001536411

Stanley Druckenmiller

Duquesne
Share

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 210.5% since 2016Q1. 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
3Y+118.8%5Y+33.7%Full performance →

What Stanley is holding in options

Stanley Druckenmiller (Duquesne) disclosed 3 option positions for the 2025Q3 quarter — 3 long-calls and 0 long-puts — totaling $131K of underlying-share notional value. The largest exposures are a call on SPY, a call on IWM, a call on NTRA. Notional values reflect the value of the underlying shares at the quarter-end snapshot, not the option premium paid.

Options & derivatives

3 positions · $131K notional3 CALL · $131K
TypeUnderlyingSharesNotional% of book
CALLSPYSPDR S&P 500 ETF TR90K$60K1.5%
CALLIWMISHARES TR226K$55K1.3%
CALLNTRANATERA INC100K$16K0.4%

Notional = value of the underlying shares at the quarter-end snapshot, not the option premium paid. A long PUT is a bearish bet on the underlying; a long CALL is a bullish bet. The reported value is included in the portfolio total but does not reflect actual capital at risk.