Stanley Druckenmiller Bets on U.S. Aviation with New Delta, American, and United Stakes

Stanley Druckenmiller’s Duquesne Family Office disclosed a new investment in Delta Air Lines on February 18, 2026. The firm established the position during the fourth quarter of 2025.

This move is part of a broader expansion into the U.S. airline sector. Duquesne also initiated new positions in American Airlines and United Airlines.

Delta shares closed up more than 2% in the prior trading session. The broader airline sector has experienced a recent market rally.