Duquesne Family Office Llc

Duquesne Family Office LLC is the investment firm of Stanley Druckenmiller, legendary macro investor and billionaire (net worth $2.8B per Forbes). Founded 2010 in New York after closing Duquesne Capital ($12B AUM). Named after Pittsburgh park (Druckenmiller native). $4-5B+ AUM in public equities. Famous for "breaking the Bank of England" with George Soros in 1992 ($10B short, $1B profit on Black Wednesday). Former lead portfolio manager at Quantum Fund (1988-2000). Investment philosophy: macro trading with large positions, cut losses quickly, amplify winners. Active trading style with average 2.26 quarter holding period. Q3 2025 portfolio: 65 holdings, 53.93% in top 10. Top positions: Natera (13.18%), Insmed, Teva Pharma, Taiwan Semi, Woodward. Frequent AI investor - bought Nvidia Q4 2022 for 700%+ gain. Recent: Figure Technology Solutions, StubHub, Amazon. Treasury Secretary Scott Bessent previously reported to Druckenmiller at Soros. Website: N/A (private).