Rapid Micro Biosystems Inc. Class ARPID
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 28 institutions reported holding Rapid Micro Biosystems Inc. Class A (RPID) in their 13F filings, up 9 from Q4 2024. 13 opened new positions and 4 sold out. The largest holders were Bain Capital Life Sciences Investors, LLC ($22.3M), ABG-WTT Global Life Science Capital Partners GP Ltd ($4.9M) and Schonfeld Strategic Advisors LLC ($2.7M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Rapid Micro Biosystems Inc. Class A
- CUSIP
- 75340L104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $6.5M |
| Exits | 4 | $147K |
All 13F filers, Q4 2024 → Q1 2025: 3,621,987 shares bought and 256,477 shares sold, net +3,365,510 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Bain Capital Life Sciences Investors, LLC | 3.30% | No change | 8,434,560 | $22.3M |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 12.73% | Add +78.0% | 1,848,296 | $4.9M |
| Schonfeld Strategic Advisors LLC | 0.02% | New | 1,028,805 | $2.7M |
| Vanguard Group Inc. | 0.00% | Add +23.5% | 890,278 | $2.4M |
| Parkman Healthcare Partners LLC | 0.23% | New | 735,621 | $1.9M |
| BlackRock, Inc. | 0.00% | Add +12.1% | 642,101 | $1.7M |
| Advent International, L.P. | 0.05% | No change | 577,777 | $1.5M |
| Geode Capital Management, LLC | 0.00% | Add +31.2% | 200,936 | $531K |
| Informed Momentum Co LLC | 0.08% | New | 176,949 | $467K |
| Susquehanna International Group, LLP | 0.00% | New | 158,542 | $419K |
| Evernest Financial Advisors, LLC | 0.12% | New | 131,265 | $347K |
| Renaissance Technologies | 0.00% | Reduce -39.6% | 110,587 | $292K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 109,400 | $289K |
| Essex Investment Management Co. LLC | 0.03% | New | 63,057 | $166K |
| State Street Corp. | 0.00% | Add +129.6% | 59,874 | $158K |
| Northern Trust Corp. | 0.00% | Add +193.5% | 45,644 | $121K |
| Mariner, LLC | 0.00% | Reduce -25.6% | 31,931 | $84K |
| Dimensional Fund Advisors LP | 0.00% | New | 21,167 | $56K |
| Morgan Stanley | 0.00% | Add +93.6% | 19,565 | $52K |
| Legato Capital Management LLC | 0.01% | New | 15,415 | $41K |
| American Century Companies Inc. | 0.00% | New | 11,581 | $31K |
| Osaic Holdings, Inc. | 0.00% | New | 600 | $2K |
| Resources Management Corp. /CT/ | 0.00% | No change | 500 | $1K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -96.2% | 350 | $924 |
| Bank of America Corp. | 0.00% | Add +5.0% | 148 | $391 |
| JPMorgan Chase & Co. | 0.00% | Reduce -30.6% | 109 | $288 |
| UBS Group AG | 0.00% | New | 21 | $55 |
| SBI Securities Co., Ltd. | 0.00% | New | 15 | $40 |
"% of holder's portfolio" is RPID's weight in each manager's 13F, not the share of Rapid Micro Biosystems Inc. Class A the manager owns.