Rapid Micro Biosystems Inc. Class ARPID
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 19 institutions reported holding Rapid Micro Biosystems Inc. Class A (RPID) in their 13F filings, unchanged from Q3 2024. 2 opened new positions and 1 sold out. The largest holders were Bain Capital Life Sciences Investors, LLC ($7.6M), ABG-WTT Global Life Science Capital Partners GP Ltd ($934K) and Vanguard Group Inc. ($649K). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management'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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $76K |
| Exits | 1 | $488K |
All 13F filers, Q3 2024 → Q4 2024: 206,270 shares bought and 876,129 shares sold, net −669,859 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Bain Capital Life Sciences Investors, LLC | 0.89% | No change | 8,434,560 | $7.6M |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 2.14% | No change | 1,038,296 | $934K |
| Vanguard Group Inc. | 0.00% | Reduce -0.8% | 721,133 | $649K |
| Advent International, L.P. | 0.01% | No change | 577,777 | $520K |
| BlackRock, Inc. | 0.00% | No change | 572,879 | $516K |
| Renaissance Technologies | 0.00% | Add +122.9% | 183,087 | $165K |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 153,112 | $138K |
| Citadel Advisors | 0.00% | New | 72,024 | $65K |
| Millennium Management | 0.00% | Add +17.6% | 61,375 | $55K |
| Mariner, LLC | 0.00% | Add +2.1% | 42,896 | $39K |
| State Street Corp. | 0.00% | No change | 26,074 | $23K |
| XTX Topco Ltd | 0.00% | Add +25.1% | 18,201 | $16K |
| Northern Trust Corp. | 0.00% | No change | 15,550 | $14K |
| Virtu Financial LLC | 0.00% | New | 12,594 | $11K |
| Morgan Stanley | 0.00% | No change | 10,108 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +98.0% | 9,120 | $8K |
| JPMorgan Chase & Co. | 0.00% | Reduce -100.0% | 157 | $141 |
| Bank of America Corp. | 0.00% | Reduce -91.6% | 141 | $127 |
| Resources Management Corp. /CT/ | 0.00% | No change | 500 | $0 |
"% 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.