Mongodb, Inc.: which funds bought and sold
Institutions that bought and sold Mongodb shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 479 institutions that filed 13F reports for both quarters added to or opened positions in Mongodb, and 378 cut or closed them. Together they added a net 1.7M shares, +2.5% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 2.2M shares (−8.8%); index fund managers were net buyers of 822K shares (+4.4%). 152 opened a new position and 104 sold out entirely.
Bought, Q2 2026 479 institutions, 152 of them new holders Sold, Q2 2026 378 institutions, 104 of them sold out
Net change, all compared +1.7M shares (+2.5%)
Net change, active managers −2.2M shares (−8.8%), 45 bought, 58 sold
Buyers versus sellers
479 bought 100 378 sold
Active managers and hedge funds 45 bought · 58 sold · −2.2M
Index fund managers 9 bought · 2 sold · +822K
Other institutions 425 bought · 318 sold · +3.1M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +1.5M +66.9% | 3.7M | $1.2B |
| Blackrock, Inc. Index funds | +617K +10.8% | 6.3M | $2.1B |
| Fil Ltd Active manager | +594K +127.8% | 1.1M | $355M |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | +562K +28.8% | 2.5M | $845M |
| Voya Investment Management LLC | +525K +150.5% | 873K | $293M |
| Kinetic Partners Management, LP | +380K +1023.6% | 418K | $140M |
| Massachusetts Financial Services Co Active manager | +372K +41.7% | 1.3M | $427M |
| Nuveen, LLC | +363K +119.3% | 667K | $224M |
| Polar Capital Holdings PLC Active manager | +358K +108.3% | 689K | $231M |
| Los Angeles Capital Management LLC Active manager | +323K +49998.6% | 324K | $109M |
| Artemis Investment Management LLP Active manager | +319K New position | 319K | $107M |
| Alyeska Investment Group, L.P. Hedge fund | +308K New position | 308K | $103M |
| Royal Bank Of Canada | +239K +91.1% | 501K | $168M |
| SRS Investment Management, LLC Hedge fund | +212K +40.2% | 739K | $248M |
| Congress Asset Management Co Active manager | +209K +69.3% | 511K | $172M |
| AQR Capital Management LLC Hedge fund | +192K +14.6% | 1.5M | $505M |
| Harel Insurance Investments & Financial Services Ltd. | +189K +34.5% | 739K | $248M |
| Susquehanna International Group, LLP | +177K +300.1% | 236K | $79.2M |
| Jones Financial Companies LLLP | +168K +311.2% | 222K | $69.8M |
| Soma Equity Partners LP | +159K New position | 159K | $53.4M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +1.5M +66.9% | 3.7M | $1.2B |
| Fil Ltd Active manager | +594K +127.8% | 1.1M | $355M |
| Massachusetts Financial Services Co Active manager | +372K +41.7% | 1.3M | $427M |
| Polar Capital Holdings PLC Active manager | +358K +108.3% | 689K | $231M |
| Los Angeles Capital Management LLC Active manager | +323K +49998.6% | 324K | $109M |
| Artemis Investment Management LLP Active manager | +319K New position | 319K | $107M |
| Alyeska Investment Group, L.P. Hedge fund | +308K New position | 308K | $103M |
| SRS Investment Management, LLC Hedge fund | +212K +40.2% | 739K | $248M |
| Congress Asset Management Co Active manager | +209K +69.3% | 511K | $172M |
| AQR Capital Management LLC Hedge fund | +192K +14.6% | 1.5M | $505M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jericho Capital Asset Management L.P. Hedge fund | −997K Sold out | 0 | — |
| Valueact Holdings, L.P. Hedge fund | −872K −84.0% | 166K | $55.7M |
| Artisan Partners Limited Partnership Active manager | −833K −67.9% | 394K | $132M |
| Arrowstreet Capital, Limited Partnership Hedge fund | −568K −84.4% | 105K | $35.2M |
| Citadel Advisors LLC Hedge fund | −423K −75.9% | 134K | $45.1M |
| Point72 Asset Management, L.P. Hedge fund | −419K −88.2% | 56K | $18.7M |
| Federated Hermes, Inc. Active manager | −387K −73.7% | 138K | $46.2M |
| Jpmorgan Chase & Co | −340K −32.9% | 694K | $235M |
| Wellington Management Group LLP Active manager | −339K −37.5% | 566K | $190M |
| Robeco Institutional Asset Management B.V. | −327K −69.7% | 142K | $47.7M |
| Two Sigma Investments, LP Hedge fund | −249K −86.7% | 38K | $12.8M |
| D. E. Shaw & Co., Inc. Hedge fund | −221K −23.8% | 710K | $239M |
| Avala Global LP Hedge fund | −209K −77.6% | 60K | $20.2M |
| Fred Alger Management, LLC Active manager | −206K −46.9% | 233K | $78.2M |
| Morgan Stanley | −200K −16.4% | 1.0M | $342M |
| Sei Investments Co | −176K −47.9% | 191K | $64.3M |
| Eminence Capital, LP Hedge fund | −163K Sold out | 0 | — |
| Worldquant Millennium Advisors LLC Hedge fund | −158K −93.1% | 12K | $3.9M |
| Neuberger Berman Group LLC Active manager | −152K −32.1% | 322K | $108M |
| Champlain Investment Partners, LLC Active manager | −146K −65.7% | 77K | $25.7M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jericho Capital Asset Management L.P. Hedge fund | −997K Sold out | 0 | — |
| Valueact Holdings, L.P. Hedge fund | −872K −84.0% | 166K | $55.7M |
| Artisan Partners Limited Partnership Active manager | −833K −67.9% | 394K | $132M |
| Arrowstreet Capital, Limited Partnership Hedge fund | −568K −84.4% | 105K | $35.2M |
| Citadel Advisors LLC Hedge fund | −423K −75.9% | 134K | $45.1M |
| Point72 Asset Management, L.P. Hedge fund | −419K −88.2% | 56K | $18.7M |
| Federated Hermes, Inc. Active manager | −387K −73.7% | 138K | $46.2M |
| Wellington Management Group LLP Active manager | −339K −37.5% | 566K | $190M |
| Two Sigma Investments, LP Hedge fund | −249K −86.7% | 38K | $12.8M |
| D. E. Shaw & Co., Inc. Hedge fund | −221K −23.8% | 710K | $239M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Artemis Investment Management LLPActive manager | 319K | $107M |
| Alyeska Investment Group, L.P.Hedge fund | 308K | $103M |
| Soma Equity Partners LP | 159K | $53.4M |
| LMR Partners LLPHedge fund | 135K | $45.4M |
| Migdal Insurance & Financial Holdings Ltd. | 119K | $40M |
| Ardmore Road Asset Management LP | 114K | $38.3M |
| Benchstone Capital Management LP | 75K | $25.2M |
| Marshall Wace, LLPHedge fund | 71K | $23.9M |
| Meridiem Capital Partners LP | 53K | $17.9M |
| Light Street Capital Management, LLCHedge fund | 50K | $16.8M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Jericho Capital Asset Management L.P.Hedge fund | 997K | $244M |
| Eminence Capital, LPHedge fund | 163K | $39.9M |
| Renaissance Technologies LLCHedge fund | 141K | $34.5M |
| Capital Research Global InvestorsActive manager | 69K | $16.9M |
| Styrax Capital, LP | 55K | $13.5M |
| Voloridge Investment Management, LLCHedge fund | 53K | $13.1M |
| Lbp Am SA | 50K | $12.3M |
| Summit Partners Public Asset Management, LLC | 50K | $12.2M |
| Quadrature Capital LtdHedge fund | 47K | $11.6M |
| Trexquant Investment LPHedge fund | 28K | $6.8M |
Who holds the shares
- Institutions reporting
- 865
- Ten largest holders
- 38.9% of 13F-reported shares
- Index fund managers
- 26.1% of 13F-reported shares
- Active managers and hedge funds
- 30.6% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 45 | 58 | 17 | 16 | −2.2M | −8.8% |
| Index fund managers | 9 | 2 | 0 | 0 | +822K | +4.4% |
| Other institutions | 425 | 318 | 135 | 88 | +3.1M | +11.3% |