First reported at 100,000 shares this quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2021-12-31 | 1064000 |
| 2022-03-31 | 0 |
| 2025-03-31 | 1942039 |
| 2025-06-30 | 3151378 |
| 2025-09-30 | 3050900 |
| 2025-12-31 | 1027949 |
| 2026-03-31 | 0 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q1 2026 | Reduced | 0 | -354,465 (-100.0%) | 0 | $0 | 2026-05-15 | |
| Q4 2025 | Reduced | 354,465 | -558,978 (-61.2%) | 0.1% | $1,027,949 | 2026-02-17 | |
| Q3 2025 | Unchanged | 913,443 | 0 (0.0%) | 0.32% | $3,050,900 | 2025-11-14 | |
| Q2 2025 | Added | 913,443 | +177,822 (24.2%) | 0.36% | $3,151,378 | 2025-08-14 | |
| Q1 2025 | New | 735,621 | +735,621 (0.0%) | 0.23% | $1,942,039 | 2025-05-15 | |
| Q1 2022 | Reduced | 0 | -100,000 (-100.0%) | 0 | $0 | 2022-05-13 | |
| Q4 2021 | New | 100,000 | +100,000 (0.0%) | 0.23% | $1,064,000 | 2022-02-11 |
Who else reported the position
62 managers reported RAPID MICRO BIOSYSTEMS INC for Q4 2021.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors LLC | Unchanged | 8,434,560 | 0 | 7.12% | $89,744,000 | 2 qtrs |
| D1 Capital Partners L P | Unchanged | 2,644,444 | 0 | 0.17% | $28,137,000 | 2 qtrs |
| PRICE T ROWE ASSOCIATES INC MD | Added | 2,199,746 | +343,704 | < 0.01% | $23,184,000 | 2 qtrs |
| JPMorgan Chase & Co | Added | 1,785,773 | +101,541 | < 0.01% | $19,000,000 | 2 qtrs |
| BlackRock Inc | Added | 1,391,441 | +31,414 | < 0.01% | $14,805,000 | 2 qtrs |
| ADAGE CAPITAL PARTNERS GP L L C | Reduced | 581,243 | -135,423 | 0.01% | $6,184,000 | 2 qtrs |
| ADVENT INTERNATIONAL CORP MA | Reduced | 577,777 | -1 | 0.03% | $6,148,000 | 2 qtrs |
| Ally Bridge Group NY LLC | Unchanged | 437,960 | 0 | 1.63% | $4,660,000 | 2 qtrs |
| VANGUARD GROUP INC | Reduced | 398,842 | -728,171 | < 0.01% | $4,244,000 | 2 qtrs |
| PERCEPTIVE ADVISORS LLC | Added | 385,693 | +35,693 | 0.06% | $4,104,000 | 2 qtrs |
Filing details and methodology As reported
- Report period
- December 31, 2021
- Filed
- February 11, 2022
- Filing type
- 13F-HR
- Position type
- CLASS A COM
Voting authority reported
- Sole
- 100,000
- Shared
- 0
- None
- 0
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.