Stanley Druckenmiller’s MongoDB MDB Stock Holding History

Stanley Druckenmiller’s Portfolio MDB Stock Details MDB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-17,710	Closed	-$5.5M	–	77
2025 Q3	$5.5M	Buy	+17,710	New	+$4.55M	0.14%	61

Other funds holding MDB

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

ValueAct Holdings San Francisco, California $5.71B AUM 7.41% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Norges Bank Oslo, Norway $935B AUM

Stanley Druckenmiller's MDB Position: Q4 2025 in Review

Stanley Druckenmiller sold out of MongoDB (MDB) in Q4 2025, closing a stake of 17,710 shares — an estimated $5.5M sold.

Stanley Druckenmiller first reported a position in MDB in Q3 2025 and held it in 1 quarter. The position peaked at $5.5M in Q3 2025. 916 funds tracked by Wall St. Rank hold MDB as of Q4 2025.

Stanley Druckenmiller reported no remaining MongoDB position as of Q4 2025 after selling out during the quarter.
Stanley Druckenmiller sold 17,710 MongoDB shares in Q4 2025, an estimated $5.5M.
Stanley Druckenmiller first reported a position in MongoDB in Q3 2025 and held it in 1 quarter.
Stanley Druckenmiller's MongoDB position peaked at $5.5M in Q3 2025.
916 funds tracked by Wall St. Rank held MongoDB as of Q4 2025.

Based on Duquesne Family Office's 13F filing for Q4 2025, filed 17 Feb 2026.