How many institutional investors hold MDB?

5 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 $835M.

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
License: https://www.sec.gov/about/website-policies

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

Why are billionaires buying MDB?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Strong distribution · 0 buying vs 1 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Congressional Activity

0 congressional purchases, 1 sale disclosed in the last 6 months

Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their MDB position last quarter, 0 bought and 1 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Contraction regime). 0 congressional purchases, 1 sale disclosed in the last 6 months.

Supporting evidence

+5 tracked investors reported holding MDB at their latest filing
+Macro Health is 55/100 in a Contraction regime — historically acceptable for Information Technologysource

Contradicting evidence — always shown

−1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
−Congressional disclosures lean toward selling (1 sales vs 0 purchases, 6 months)
−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/17/2026.

About MONGODB INC (MDB)

MONGODB INC (MDB) appears in the most recent 13F filings of 5 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 $835M. Across recent filings, tracked investors recorded 6 new positions, 5 increased, 3 reduced, and 5 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MDB

/100

Mixed Activity

Added / Increased11

Reduced3

Exited5

BearishBullish

Crowded Trade Score™

How many top investors track MDB

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

MDB Ownership Composition

How MONGODB INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Multi-Strategy / Quant

97% of tracked value

Institutions

tracked investors

Total Reported

$1.1B

combined 13F value

Multi-Strategy / Quant97.1%
Macro2.9%

Multi-Strategy / Quant(3)

97.1%

Macro(2)

2.9%

Tracked investors currently reporting MDB

3 tracked investors have since exited this position — listed separately below.

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	2.5M	$835.4M	0.10%	Jun 30, 2026
Steve Cohen	Point72 Asset Management	130.3K	$43.8M	0.05%	Jun 30, 2026
Izzy Englander	Millennium Management	529.1K	$177.7M	0.06%	Jun 30, 2026
Paul Tudor Jones	Tudor Investment Corp	57.3K	$19.2M	0.03%	Jun 30, 2026
Ray Dalio	Bridgewater Associates	36.5K	$12.2M	0.05%	Jun 30, 2026

Ken GriffinJun 30, 2026
Citadel Advisors
Shares
2.5M
Value
$835.4M
% Portfolio
0.10%
Steve CohenJun 30, 2026
Point72 Asset Management
Shares
130.3K
Value
$43.8M
% Portfolio
0.05%
Izzy EnglanderJun 30, 2026
Millennium Management
Shares
529.1K
Value
$177.7M
% Portfolio
0.06%
Paul Tudor JonesJun 30, 2026
Tudor Investment Corp
Shares
57.3K
Value
$19.2M
% Portfolio
0.03%
Ray DalioJun 30, 2026
Bridgewater Associates
Shares
36.5K
Value
$12.2M
% Portfolio
0.05%

Previously held MDB

These investors reported MDB in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

Investor	Firm	Last reported shares	Value then	Last held
Chase Coleman	Tiger Global Management	341K	$105.8M	Sep 30, 2025
George Soros	Soros Fund Management	28.4K	$11.9M	Dec 31, 2025
Stanley Druckenmiller	Duquesne Family Office	17.7K	$5.5M	Sep 30, 2025

Recent activity

Investor	Action	Δ %	Current value	Filing date
Chase Coleman	New	—	$105.8M	Nov 14, 2025
Chase Coleman	Sold	-100.00%	$0	Feb 17, 2026
George Soros	New	—	$11M	Nov 14, 2025
George Soros	Reduced	-20.12%	$11.9M	Feb 13, 2026
George Soros	Sold	-100.00%	$0	May 15, 2026
Ray Dalio	New	—	$235	Feb 13, 2026
Ray Dalio	Increased	8738.21%	$12.1M	May 15, 2026
Ray Dalio	Reduced	-26.32%	$12.2M	Aug 14, 2026
Steve Cohen	Reduced	-42.96%	$32.2M	Nov 14, 2024
Steve Cohen	Increased	112.19%	$58.8M	Feb 14, 2025
Steve Cohen	Increased	458.49%	$247.3M	Jul 21, 2025
Steve Cohen	Increased	38.43%	$409.8M	Aug 14, 2025
Steve Cohen	Sold	-100.00%	$0	Nov 14, 2025
Paul Tudor Jones	Increased	262.63%	$37.1M	Aug 14, 2024
Paul Tudor Jones	Sold	-100.00%	$0	Nov 14, 2024
Stanley Druckenmiller	New	—	$5.5M	Nov 14, 2025
Stanley Druckenmiller	Sold	-100.00%	$0	Feb 17, 2026
Steve Cohen	New	—	$52.1M	Sep 16, 2024
Paul Tudor Jones	New	—	$14.7M	May 15, 2024

Chase Coleman
New
$105.8MNov 14, 2025
Chase Coleman
Sold
$0(-100.00%)Feb 17, 2026
George Soros
New
$11MNov 14, 2025
George Soros
Reduced
$11.9M(-20.12%)Feb 13, 2026
George Soros
Sold
$0(-100.00%)May 15, 2026
Ray Dalio
New
$235Feb 13, 2026
Ray Dalio
Increased
$12.1M(8738.21%)May 15, 2026
Ray Dalio
Reduced
$12.2M(-26.32%)Aug 14, 2026
Steve Cohen
Reduced
$32.2M(-42.96%)Nov 14, 2024
Steve Cohen
Increased
$58.8M(112.19%)Feb 14, 2025
Steve Cohen
Increased
$247.3M(458.49%)Jul 21, 2025
Steve Cohen
Increased
$409.8M(38.43%)Aug 14, 2025
Steve Cohen
Sold
$0(-100.00%)Nov 14, 2025
Paul Tudor Jones
Increased
$37.1M(262.63%)Aug 14, 2024
Paul Tudor Jones
Sold
$0(-100.00%)Nov 14, 2024
Stanley Druckenmiller
New
$5.5MNov 14, 2025
Stanley Druckenmiller
Sold
$0(-100.00%)Feb 17, 2026
Steve Cohen
New
$52.1MSep 16, 2024
Paul Tudor Jones
New
$14.7MMay 15, 2024

Frequently asked questions

How many institutional investors hold MDB?: 5 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 $835M.
Did institutional ownership of MDB increase or decrease?: Across recent 13F filings, tracked investors recorded 6 new positions, 5 increased, 3 reduced, and 5 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.