RAPID MICRO BIOSYSTEMS, INC. - RPID
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | History | No change | 8,434,560 | 14,591 | 0.87% | 1.73% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ARMISTICE CAPITAL, LLC | History | New | 3,328,000 | 5,757 | 0.07% | — | 2 | +3,328,000 | New | Q2 2026 | Aug 14, 2026 |
| ABG-WTT Global Life Science Capital Partners GP Ltd | History | No change | 1,848,296 | 3,197 | 37.38% | 34.12% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Reduced | 982,034 | 1,698 | 0.0% | 0.0% | 4 | -460 | -0.05% | Q2 2026 | Aug 13, 2026 |
| Evernest Financial Advisors, LLC | History | Added to | 506,000 | 875 | 0.18% | 0.21% | 5 | +73,490 | 16.99% | Q2 2026 | Aug 05, 2026 |
| ADVENT INTERNATIONAL, L.P. | History | Reduced | 379,794 | 657 | 0.0% | 0.03% | 6 | -172,583 | -31.24% | Q2 2026 | Aug 14, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Reduced | 362,696 | 627 | 0.08% | 0.32% | 7 | -521,235 | -58.97% | Q2 2026 | Aug 06, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 236,599 | 409 | 0.0% | 0.0% | 8 | -46,681 | -16.48% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 228,041 | 394 | 0.0% | 0.0% | 9 | -19,136 | -7.74% | Q2 2026 | Aug 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 212,101 | 366 | 0.0% | 0.0% | 10 | +85,484 | 67.51% | Q2 2026 | Aug 13, 2026 |
| BlackRock, Inc. | History | Added to | 189,832 | 328 | 0.0% | 0.0% | 11 | +32,600 | 20.73% | Q2 2026 | Aug 07, 2026 |
| Legato Capital Management LLC | History | Reduced | 119,534 | 206 | 0.02% | 0.06% | 12 | -155,390 | -56.52% | Q2 2026 | Aug 06, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 110,484 | 191 | 0.0% | 0.0% | 13 | +772 | 0.7% | Q2 2026 | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 104,192 | 180 | 0.0% | 0.0% | 14 | +16,603 | 18.96% | Q2 2026 | Aug 11, 2026 |
| STATE STREET CORP | History | No change | 93,874 | 162 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| XTX Topco Ltd | History | Added to | 79,727 | 137 | 0.0% | 0.0% | 16 | +18,657 | 30.55% | Q2 2026 | Aug 14, 2026 |
| SEI INVESTMENTS CO | History | Reduced | 66,869 | 115 | 0.0% | 0.0% | 17 | -217,947 | -76.52% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 42,106 | 72 | 0.0% | 0.0% | 18 | -6,173 | -12.79% | Q2 2026 | Aug 13, 2026 |
| ALGERT GLOBAL LLC | History | Added to | 38,307 | 66 | 0.0% | 0.0% | 19 | +15,126 | 65.25% | Q2 2026 | Aug 13, 2026 |
| MORGAN STANLEY | History | Reduced | 27,587 | 47 | 0.0% | 0.0% | 20 | -1,620 | -5.55% | Q2 2026 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 25,931 | 44 | 0.0% | 0.0% | 21 | -106,994 | -80.49% | Q2 2026 | Aug 14, 2026 |
| HRT FINANCIAL LP | History | New | 23,093 | 39 | 0.0% | — | 22 | +23,093 | New | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | New | 16,142 | 27 | 0.0% | — | 23 | +16,142 | New | Q2 2026 | Sep 02, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 14,300 | 24 | 0.0% | 0.0% | 24 | +300 | 2.14% | Q2 2026 | Aug 14, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | History | No change | 12,500 | 21 | 0.02% | 0.03% | 25 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Reduced | 11,638 | 20 | 0.0% | 0.0% | 26 | -5,284 | -31.23% | Q2 2026 | Aug 12, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 11,630 | 20 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Larson Financial Group LLC | History | Added to | 8,395 | 14 | 0.0% | 0.0% | 28 | +2,904 | 52.89% | Q2 2026 | Aug 14, 2026 |
| UBS Group AG | History | Reduced | 6,607 | 11 | 0.0% | 0.0% | 29 | -4,645 | -41.28% | Q2 2026 | Aug 13, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 1,900 | 3 | 0.0% | — | 30 | +1,900 | New | Q2 2026 | Aug 11, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -212,114 | -100.0% | Q2 2026 | Aug 14, 2026 |
| 683 Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -120,773 | -100.0% | Q2 2026 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -71,912 | -100.0% | Q2 2026 | Aug 14, 2026 |
| FIFTH LANE CAPITAL, LP | History | Closed out | 0 | 0 | — | 0.2% | — | -71,000 | -100.0% | Q2 2026 | Aug 06, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -31,014 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Temasek Holdings (Private) Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -21,818 | -100.0% | Q2 2026 | Aug 07, 2026 |
| BARCLAYS PLC | History | Reduced | 337 | 0 | — | 0.0% | — | -21,258 | -98.44% | Q2 2026 | Aug 14, 2026 |
| Catalyst Funds Management Pty Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -21,200 | -100.0% | Q2 2026 | Aug 10, 2026 |
| Graham Capital Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -20,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| OMERS ADMINISTRATION Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -15,900 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -15,410 | -100.0% | Q2 2026 | Aug 14, 2026 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -15,224 | -100.0% | Q2 2026 | Aug 13, 2026 |
| BANCO BILBAO VIZCAYA ARGENTARIA, S.A. | History | Closed out | 0 | 0 | — | 0.0% | — | -12,691 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -12,524 | -100.0% | Q2 2026 | Aug 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -9,327 | -100.0% | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -719 | -100.0% | Q2 2026 | Aug 14, 2026 |
| RESOURCES MANAGEMENT CORP /CT/ /ADV | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 35 | 0 | — | — | — | +35 | New | Q2 2026 | Aug 04, 2026 |
| JPMORGAN CHASE & CO | History | No change | 109 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| CWM, LLC | History | No change | 188 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| SBI Securities Co., Ltd. | History | No change | 15 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 22, 2026 |