RPID · Company research
Rapid Micro Biosystems, Inc. (RPID): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
52records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112127 | 193980 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| ARMISTICE CAPITAL, LLC | 1601086 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3328000 | 5757440 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23093 | 39 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 362696 | 627464 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 337 | 583 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1277890 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12500 | 21625 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 79668 | 137826 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42106 | 72843 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14300 | 24739 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legato Capital Management LLC | 1442641 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 119534 | 206794 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Bain Capital Life Sciences Investors, LLC | 1703031 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8434560 | 14591789 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66869 | 115683 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38307 | 66271 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16142 | 27926 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 110484 | 191137 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 79727 | 137928 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Larson Financial Group LLC | 1731061 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8395 | 14523 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1900 | 3287 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35 | 61 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6607 | 11430 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 212101 | 366935 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 982034 | 1698919 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11630 | 20120 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21546 | 37275 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 26 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11638 | 20134 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93874 | 162402000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| SEI Investments Co | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66869 | 115683000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42106 | 72843000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7524 | 13017000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27587 | 47726 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93874 | 162402 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Evernest Financial Advisors, LLC | 2009530 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 506000 | 875380 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 1832108 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1848296 | 3197552 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Advent International, L.P. | 1034196 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 379794 | 657044 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 109 | 189 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 236599 | 409316 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 184228 | 318910 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23181 | 52621 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 71912 | 163240000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93874 | 213094000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40487 | 91905000 | — | — | — | May 14, 2026 | SEC_13F_HR |
| SEI Investments Co | 350894 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 284816 | 646532000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 863 | 1959000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 40487 | 117412000 | — | — | — | Feb 17, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 91474 | 265275000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 4832 | 14013000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| SEI Investments Co | 350894 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 93616 | 271486000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 5298 | 15364000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 91474 | 305523000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 5923 | 19783000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 3000 | — | — | — | Nov 10, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.