Keystone Investors’s MongoDB MDB Stock Holding History

Keystone Investors’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	$749K	Buy	+2,231	New	+$669K	0.04%	75
2025 Q4	$439K	Sell	1,045 -1,354	-56%	-$493K	0.04%	71
2025 Q3	$745K	Buy	+2,399	New	+$617K	0.09%	55
2025 Q2	–	Sell	-2,451	Closed	-$430K	–	62
2025 Q1	$430K	Buy	+2,451	New	+$597K	0.06%	44
2024 Q4	–	Sell	-7,320	Closed	-$1.98M	–	94
2024 Q3	$1.98M	Sell	7,320 -652	-8%	-$169K	0.14%	44
2024 Q2	$1.99M	Buy	+7,972	New	+$2.52M	0.17%	43
2024 Q1	–	Sell	-2,238	Closed	-$915K	–	80
2023 Q4	$915K	Buy	2,238 +1,613	+258%	+$612K	0.08%	41
2023 Q3	$216K	Buy	+625	New	+$237K	0.03%	38
2023 Q1	–	Sell	-6,432	Closed	-$1.27M	–	45
2022 Q4	$1.27M	Buy	+6,432	New	+$1.14M	0.61%	21

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

Keystone Investors's MDB Position: Q2 2026 in Review

Keystone Investors opened a new position in MongoDB (MDB) in Q2 2026: 2,231 shares worth $749K. The stake represents 0.04% of the portfolio and ranks #75 among its holdings. This is a return to the name: Keystone Investors previously reported a position in MDB as recently as Q4 2025.

Keystone Investors first reported a position in MDB in Q4 2022 and has held it in 9 quarters since. The position peaked at $1.99M in Q2 2024. 872 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

Keystone Investors held 2,231 shares of MongoDB worth $749K as of Q2 2026.
MongoDB was a new Keystone Investors position in Q2 2026.
MongoDB made up 0.04% of Keystone Investors's portfolio in Q2 2026, its #75 holding.
Keystone Investors first reported a position in MongoDB in Q4 2022 and has held it in 9 quarters since.
Keystone Investors's MongoDB position peaked at $1.99M in Q2 2024.
872 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on Keystone Investors's 13F filing for Q2 2026, filed 14 Aug 2026.