Lee Ainslie’s MongoDB MDB Stock Holding History

Lee Ainslie’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	-136,932	Closed	-$42.5M	–	230
2025 Q3	$42.5M	Buy	+136,932	New	+$35.2M	0.57%	45
2025 Q2	–	Sell	-154,872	Closed	-$27.2M	–	283
2025 Q1	$27.2M	Buy	+154,872	New	+$37.7M	0.48%	51
2024 Q2	–	Sell	-1,097	Closed	-$393K	–	394
2024 Q1	$393K	Buy	+1,097	New	+$448K	0.01%	279
2021 Q2	–	Sell	-2,251	Closed	-$602K	–	786
2021 Q1	$602K	Buy	+2,251	New	+$797K	0.01%	358

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 $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

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

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

ValueAct Holdings San Francisco, California $5.63B AUM 5.11% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Lee Ainslie's MDB Position: Q4 2025 in Review

Lee Ainslie sold out of MongoDB (MDB) in Q4 2025, closing a stake of 136,932 shares — an estimated $42.5M sold.

Lee Ainslie first reported a position in MDB in Q1 2021 and held it in 4 quarters. The position peaked at $42.5M in Q3 2025. 915 funds tracked by Wall St. Rank hold MDB as of Q4 2025.

Lee Ainslie reported no remaining MongoDB position as of Q4 2025 after selling out during the quarter.
Lee Ainslie sold 136,932 MongoDB shares in Q4 2025, an estimated $42.5M.
Lee Ainslie first reported a position in MongoDB in Q1 2021 and held it in 4 quarters.
Lee Ainslie's MongoDB position peaked at $42.5M in Q3 2025.
915 funds tracked by Wall St. Rank held MongoDB as of Q4 2025.

Based on Maverick Capital's 13F filing for Q4 2025, filed 13 Feb 2026.