MongoDB (MDB)
Who owns MongoDB (MDB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.4% of the shares are freely tradable; institutional investors hold 93.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 10.75 | 8,642,666 | -3.8 | 12/31/2025 |
| BlackRock Inc | 7.12 | 5,725,427 | -1.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.60 | 4,501,522 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.37 | 3,518,839 | +0.0 | 03/31/2026 |
| FMR Inc | 2.73 | 2,192,883 | -7.9 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 2.60 | 2,092,486 | +12.2 | 03/31/2026 |
| DZ BANK AG Deutsche Zentral-Genossenschaftsbank Frankfurt am Main | 2.43 | 1,953,175 | +64.6 | 03/31/2026 |
| State Street Corp | 2.29 | 1,844,118 | +2.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.07 | 2,466,987 | +0.2 | 04/30/2026 |
| Vanguard Mid Cap Index Institutional | 2.08 | 1,672,632 | +0.1 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 2,774 | 333.42 | 924,907 |
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 80 | 329.54 | 26,363 |
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 81 | 328.30 | 26,592 |
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 1,363 | 327.70 | 446,655 |
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 867 | 325.48 | 282,191 |
| 16. Jul 2026 | Merriman Dwight A | Director | Sell | 835 | 324.12 | 270,640 |
| 14. Jul 2026 | Merriman Dwight A | Director | Sell | 2,000 | 324.05 | 648,100 |
| 14. Jul 2026 | Merriman Dwight A | Director | Sell | 2,120 | 321.78 | 682,174 |
| 14. Jul 2026 | Merriman Dwight A | Director | Sell | 680 | 320.65 | 218,042 |
| 14. Jul 2026 | Merriman Dwight A | Director | Sell | 120 | 323.03 | 38,764 |
| 14. Jul 2026 | Merriman Dwight A | Director | Sell | 2,480 | 319.73 | 792,930 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.