RAPID MICRO BIOSYSTEMS INC CLASS A COM is a security (CUSIP 75340L104) tracked across SEC portfolio filings. 45 institutional managers reported $35.7M on Form 13F as of 2026-06-30; 6 registered fund positions totaling $1.1M via N-PORT as of 2026-05-29.
Showing 15 of 45 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | Boston, MA | $19.1M | 8,434,560 |
| ABG-WTT Global Life Science Capital Partners GP Ltd | HONG KONG, F4 | $4.2M | 1,848,296 |
| VANGUARD GROUP INC | Valley Forge, PA | $2.8M | 978,781 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | BOSTON, MA | $2.0M | 883,931 |
| Advent International, L.P. | BOSTON, MA | $1.3M | 552,377 |
| Evernest Financial Advisors, LLC | CARMEL, IN | $1.0M | 432,510 |
| SEI INVESTMENTS CO | OAKS, PA | $647K | 284,816 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $643K | 283,280 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $561K | 247,177 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $481K | 212,114 |
| BlackRock, Inc. | New York, NY | $357K | 157,232 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $302K | 132,925 |
| RENAISSANCE TECHNOLOGIES LLC | NEW YORK, NY | $287K | 126,617 |
| 683 Capital Management, LLC | NEW YORK, NY | $274K | 120,773 |
| STATE STREET CORP | BOSTON, MA | $213K | 93,874 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| 1290 Essex Small Cap Growth Fund | 1290 Funds | $492K | 43.89% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $462K | 0.06% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $52K | 0.07% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $32K | 0.01% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $32K | 0.01% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $173 | 0.00% |