Rapid Micro Biosystems Inc. Class ARPID
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 19 institutions reported holding Rapid Micro Biosystems Inc. Class A (RPID) in their 13F filings, down 2 from Q2 2024. 2 opened new positions and 4 sold out. The largest holders were Bain Capital Life Sciences Investors, LLC ($7.5M), Kennedy Lewis Management LP ($4.4M) and ABG-WTT Global Life Science Capital Partners GP Ltd ($924K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $50K |
| Exits | 4 | $7K |
All 13F filers, Q2 2024 → Q3 2024: 74,219 shares bought and 949,246 shares sold, net −875,027 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Bain Capital Life Sciences Investors, LLC | 0.78% | No change | 8,434,560 | $7.5M |
| Kennedy Lewis Management LP | 20.17% | No change | 4,939,931 | $4.4M |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 4.59% | No change | 1,038,296 | $924K |
| Vanguard Group Inc. | 0.00% | Reduce -0.3% | 726,560 | $647K |
| Advent International, L.P. | 0.01% | No change | 577,777 | $514K |
| BlackRock, Inc. | 0.00% | — | 572,879 | $510K |
| Glenview Capital Management, LLC | 0.01% | Reduce -54.4% | 547,990 | $488K |
| JPMorgan Chase & Co. | 0.00% | Reduce -44.0% | 321,330 | $286K |
| Geode Capital Management, LLC | 0.00% | Reduce -11.7% | 150,658 | $134K |
| Renaissance Technologies | 0.00% | Add +24.5% | 82,145 | $73K |
| Millennium Management | 0.00% | Reduce -11.5% | 52,184 | $46K |
| Mariner, LLC | 0.00% | New | 42,000 | $37K |
| State Street Corp. | 0.00% | No change | 26,074 | $23K |
| Northern Trust Corp. | 0.00% | No change | 15,550 | $14K |
| XTX Topco Ltd | 0.00% | New | 14,545 | $13K |
| Morgan Stanley | 0.00% | No change | 10,108 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -44.5% | 4,607 | $4K |
| Bank of America Corp. | 0.00% | Add +924.4% | 1,680 | $1K |
| 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.