MongoDB
MDB · NASDAQ
Who owns MDB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 32.7% of MDB’s shares.
- Vanguard Portfolio Management, LLC5.6%
- BlackRock Institutional Trust Company, N.A.4.8%
- Vanguard Capital Management, LLC4.4%
- Fidelity Management & Research Company LLC4.4%
- Next 6 largest institutions13.7%
- All other shareholders67.3%
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Portfolio Management, LLC | 4.48M | 5.57% |
| BlackRock Institutional Trust Company, N.A. | 3.84M | 4.78% |
| Vanguard Capital Management, LLC | 3.50M | 4.35% |
| Fidelity Management & Research Company LLC | 3.50M | 4.35% |
| Union Investment Management GmbH | 2.48M | 3.08% |
| T. Rowe Price Associates, Inc. | 1.99M | 2.48% |
| State Street Investment Management (US) | 1.93M | 2.40% |
| Geode Capital Management, L.L.C. | 1.55M | 1.93% |
| Merriman (Dwight A) | 1.52M | 1.89% |
| AQR Capital Management, LLC | 1.50M | 1.87% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.44M | 3.03% |
| Vanguard Mid-Cap Index Fund | 1.66M | 2.06% |
| Fidelity Select Technology Portfolio | 1.37M | 1.70% |
| Vanguard Growth Index Fund | 987.54K | 1.23% |
| Statens Pensjonsfond Utland | 961.65K | 1.20% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $67.74M (101 trades) of MDB on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Agrawal Archana | Sale | 1.00K | $400.00K |
| Ittycheria Dev | Award | 40.82K | — |
| BERRY MICHAEL J | Award | 27.21K | — |
| MERRIMAN DWIGHT A | Sale | 1.00K | $377.00K |
| MERRIMAN DWIGHT A | Sale | 3.00K | $1.08M |
| MERRIMAN DWIGHT A | Sale | 392 | $141.52K |
| MERRIMAN DWIGHT A | Sale | 9.61K | $3.46M |
| BERRY MICHAEL J | Other | 3.29K | — |
| BERRY MICHAEL J | Other | 3.29K | — |
| Hazard Charles M Jr | Sale | 595 | $216.49K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Gil CisnerosHouse | Purchase | $1K–$15K | Nov 18, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.83M
- Days to cover
- 1.00
- % of shares outstanding
- 3.52%
- Average daily volume
- 3.96M
- Change since last report
- −1.7%
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