MongoDB
Ownership
Ownership Structure
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%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.11 | 5,725,427 | -1.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.59 | 4,501,522 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.37 | 3,518,839 | +0.0 | 03/31/2026 |
| FMR Inc | 2.72 | 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 | 2.42 | 1,953,175 | +64.6 | 03/31/2026 |
| State Street Corp | 2.29 | 1,844,118 | +2.6 | 03/31/2026 |
| Geode Capital Management, LLC | 1.90 | 1,527,842 | +5.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 2,435,517 | +0.3 | 07/31/2026 |
| Vanguard MStar Mid Cap Index Instl | 2.05 | 1,655,080 | -0.1 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Merriman Dwight A | Director | 1,415,849 | 556,994,997 $ | Aug 14, 2026 | both |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 120 | 456.36 | 54,763 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 80 | 454.88 | 36,390 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 2,174 | 453.71 | 986,366 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 460 | 452.55 | 208,173 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 522 | 451.22 | 235,537 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 1,652 | 450.28 | 743,863 |
| Aug 17, 2026 | Merriman Dwight A | Director | Sell | 992 | 448.98 | 445,388 |
| Aug 14, 2026 | Merriman Dwight A | Director | Sell | 3,248 | 472.22 | 1,533,771 |
| Aug 14, 2026 | Merriman Dwight A | Director | Sell | 6,752 | 469.81 | 3,172,157 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 2,774 | 333.42 | 924,907 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 80 | 329.54 | 26,363 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 81 | 328.30 | 26,592 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 1,363 | 327.70 | 446,655 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 867 | 325.48 | 282,191 |
| Jul 16, 2026 | Merriman Dwight A | Director | Sell | 835 | 324.12 | 270,640 |
| Jul 14, 2026 | Merriman Dwight A | Director | Sell | 2,000 | 324.05 | 648,100 |
| Jul 14, 2026 | Merriman Dwight A | Director | Sell | 2,120 | 321.78 | 682,174 |
| Jul 14, 2026 | Merriman Dwight A | Director | Sell | 680 | 320.65 | 218,042 |
| Jul 14, 2026 | Merriman Dwight A | Director | Sell | 120 | 323.03 | 38,764 |
| Jul 14, 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: September 17, 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.