Mustard Seed Investor logo: a sprouting mustard seedMustard Seed Investor
← All stocks
MDBInformation TechnologyCommon Stock

MongoDB, Inc

Held by 12 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 60937P106 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

Download report
In plain English: 12 of the investors we track own this stock. In the latest quarter, 2 of them bought more of it and 9 sold some or all of theirs (2 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
12
+1 vs last quarter (like-for-like)
Total value held
$1.14B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.3%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$452.90M
-40.4% vs last quarter
Net shares bought
-2.6M
Est. net flow -$857.76M
Quarter activity
2 bought · 9 sold
2 new · 1 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns MDB?

🔒 The 'who added and who trimmed' chart is a Plus feature

You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.

See plans & upgrade Sign in

Who owns MDB? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Norges Bank Norges Bank Investment Management 1.40M $471.75M 0.0% — — — —
2 David Shaw D.E. Shaw & Co. 710.22K $238.56M 0.1% Reduced -221.3K -23.8% -$74.35M
3 Israel Englander Millennium Management 296.11K $99.46M 0.1% Reduced -103.2K -25.8% -$34.67M
4 Baillie Gifford Baillie Gifford & Co 267.33K $89.80M 0.1% Held 0 0.0% $0
5 Fred Alger Fred Alger Management 232.71K $78.17M 0.3% Reduced -205.9K -46.9% -$69.16M
6 Mason Morfit ValueAct Capital 165.70K $55.66M 1.0% Reduced -872.1K -84.0% -$292.94M
7 Ken Griffin Citadel Advisors 134.20K $45.08M 0.0% Reduced -422.9K -75.9% -$142.04M
8 Steve Cohen Point72 Asset Management 55.76K $18.73M 0.0% Reduced -418.6K -88.2% -$140.61M
9 Light Street Capital Light Street Capital Management 50.00K $16.80M 2.0% New +50.0K — +$16.80M
10 Two Sigma Two Sigma Investments 38.11K $12.80M 0.0% Reduced -249.1K -86.7% -$83.66M
11 Ray Dalio Bridgewater Associates 36.47K $12.25M 0.1% Reduced -13.0K -26.3% -$4.38M
12 Jeremy Grantham GMO 5.04K $1.69M 0.0% New +5.0K — +$1.69M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Jim Simons Renaissance Technologies -140.8K $34.46M

Politician trades

Politician trades in MDB

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.