How many institutional investors hold MDB?

6 tracked institutional investors disclosed a position in MDB (MONGODB INC) in their most recent 13F filing.

Who is the largest institutional holder of MDB?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in MDB, valued at $600M.

What sector is MDB in?

MONGODB INC is classified in the Information Technology GICS sector, Software industry.

Where does this MDB ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

MDB — MONGODB INC

Name: MONGODB INC (MDB) — Institutional Ownership
Creator: InvestorLens
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Information Technology · Software

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About MONGODB INC (MDB)

MONGODB INC (MDB) appears in the most recent 13F filings of 6 tracked institutional investors. MONGODB INC is classified in the Information Technology sector (Software industry). The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $600M. Across recent filings, tracked investors recorded 3 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Tracked investors reporting MDB

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	2.5M	$600M	0.10%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	576K	$141M	0.18%	Mar 31, 2026
Izzy Englander	Millennium Management	600.6K	$147M	0.06%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	49.5K	$12.1M	0.05%	Mar 31, 2026
George Soros	Soros Fund Management	28.4K	$11.9M	0.14%	Dec 31, 2025
Stanley Druckenmiller	Duquesne Family Office	17.7K	$5.5M	0.14%	Sep 30, 2025

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
2.5M
Value
$600M
% Portfolio
0.10%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
576K
Value
$141M
% Portfolio
0.18%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
600.6K
Value
$147M
% Portfolio
0.06%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
49.5K
Value
$12.1M
% Portfolio
0.05%
George SorosDec 31, 2025
Soros Fund Management
Shares
28.4K
Value
$11.9M
% Portfolio
0.14%
Stanley DruckenmillerSep 30, 2025
Duquesne Family Office
Shares
17.7K
Value
$5.5M
% Portfolio
0.14%

Recent activity

Investor	Action	Δ %	Current value	Filing date
George Soros	New	—	$11.9M	Feb 13, 2026
Ray Dalio	New	—	$12.1M	May 15, 2026
Stanley Druckenmiller	Sold	-100.00%	$0	Feb 17, 2026
Stanley Druckenmiller	New	—	$5.5M	Nov 14, 2025

George Soros
New
$11.9MFeb 13, 2026
Ray Dalio
New
$12.1MMay 15, 2026
Stanley Druckenmiller
Sold
$0(-100.00%)Feb 17, 2026
Stanley Druckenmiller
New
$5.5MNov 14, 2025

Frequently asked questions

How many institutional investors hold MDB?: 6 tracked institutional investors disclosed a position in MDB (MONGODB INC) in their most recent 13F filing.
Who is the largest institutional holder of MDB?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in MDB, valued at $600M.
Did institutional ownership of MDB increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 0 increased, 0 reduced, and 1 fully exited MDB.
What sector is MDB in?: MONGODB INC is classified in the Information Technology GICS sector, Software industry.
Where does this MDB ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.