BlackRock’s MongoDB MDB Stock Holding History

BlackRock’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	$16.8M	Buy	50,000 +7,000	+16%	+$2.1M	﹤0.01%	3377
2026 Q1	$10.5M	Buy	+43,000	New	+$14.4M	﹤0.01%	3479
2025 Q4	–	Sell	-224,700	Closed	-$69.7M	–	5598
2025 Q3	$69.7M	Buy	+224,700	New	+$57.8M	﹤0.01%	2300
2022 Q1	–	Sell	-56,700	Closed	-$30M	–	5873
2021 Q4	$30M	Buy	+56,700	New	+$29M	﹤0.01%	3016

Other funds holding MDB

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

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

BlackRock's MDB Position: Q2 2026 in Review

BlackRock increased its MongoDB (MDB) stake by 11% in Q2 2026, buying an estimated $185M and bringing the position to 6,342,387 shares worth $2.13B. The position accounts for 0.03% of the portfolio, ranked #430.

BlackRock first reported a position in MDB in Q4 2017 and has held it in 35 quarters since. The position peaked at $3.04B in Q4 2021. 870 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

BlackRock held 6,342,387 shares of MongoDB worth $2.13B as of Q2 2026.
BlackRock bought 616,960 MongoDB shares in Q2 2026, an estimated $185M.
MongoDB made up 0.03% of BlackRock's portfolio in Q2 2026, its #430 holding.
BlackRock first reported a position in MongoDB in Q4 2017 and has held it in 35 quarters since.
BlackRock's MongoDB position peaked at $3.04B in Q4 2021.
870 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.