Magnetar Financial’s MongoDB MDB Stock Holding History

Magnetar Financial’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
2026 Q2	$1.38M	Sell	4,099 -9,343	-70%	-$2.8M	0.01%	364
2026 Q1	$3.29M	Buy	13,442 +2,758	+26%	+$923K	0.03%	248
2025 Q4	$4.48M	Buy	10,684 +9,918	+1,295%	+$3.61M	0.04%	203
2025 Q3	$238K	Sell	766 -37,838	-98%	-$9.73M	﹤0.01%	737
2025 Q2	$8.11M	Buy	+38,604	New	+$7.14M	0.04%	175
2025 Q1	–	Sell	-3,251	Closed	-$757K	–	862
2024 Q4	$757K	Buy	+3,251	New	+$918K	0.02%	307
2023 Q3	–	Sell	-740	Closed	-$304K	–	527
2023 Q2	$304K	Buy	+740	New	+$216K	0.01%	398
2022 Q2	–	Sell	-2,012	Closed	-$893K	–	1765
2022 Q1	$893K	Buy	+2,012	New	+$787K	0.01%	817
2021 Q2	–	Sell	-4,753	Closed	-$1.27M	–	1307
2021 Q1	$1.27M	Buy	+4,753	New	+$1.68M	0.01%	653

Other funds holding MDB

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

DZ Bank Frankfurt Am Main, Germany $130B AUM 46.38% 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

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Magnetar Financial's MDB Position: Q2 2026 in Review

Magnetar Financial reduced its MongoDB (MDB) stake by 70% in Q2 2026, selling an estimated $2.8M and leaving 4,099 shares worth $1.38M. The position accounts for 0.01% of the portfolio, ranked #364.

Magnetar Financial first reported a position in MDB in Q1 2021 and has held it in 9 quarters since. The position peaked at $8.11M in Q2 2025. 870 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

Magnetar Financial held 4,099 shares of MongoDB worth $1.38M as of Q2 2026.
Magnetar Financial sold 9,343 MongoDB shares in Q2 2026, an estimated $2.8M.
MongoDB made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #364 holding.
Magnetar Financial first reported a position in MongoDB in Q1 2021 and has held it in 9 quarters since.
Magnetar Financial's MongoDB position peaked at $8.11M in Q2 2025.
870 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.