Funds holding Rapid Micro Biosystems Inc
21 funds declare a position · 4 ETFs and 17 other funds · 4M $ · US75340L1044
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 750,984 | 1.7M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 2 | 1290 Essex Small Cap Growth Fund 1290 Funds | 205,085 | 492.2K $ | 0.44 % | as of Apr 30, 2026 · Original filing |
| 3 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 203,532 | 462K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 4 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 100,365 | 434.6K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 5 | iShares Micro-Cap ETF iShares Trust | 79,044 | 179.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 6 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 31,525 | 136.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 7 | Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 30,705 | 73.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 8 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 27,095 | 117.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 9 | U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 21,687 | 52K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 10 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 21,522 | 93.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 11 | Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 16,922 | 73.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 12 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 14,085 | 32K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 13 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 13,893 | 31.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 14 | U.S. Sustainability Core 1 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 9,539 | 22.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 15 | U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 7,879 | 18.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 16 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 5,923 | 13.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 17 | Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 5,089 | 12.2K $ | as of Apr 30, 2026 · Original filing | |
| 18 | Small Cap Core Fund Northern Funds | 2,924 | 6.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 19 | U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 2,476 | 5.9K $ | as of Apr 30, 2026 · Original filing | |
| 20 | Victory Extended Market Index Fund Victory Portfolios III | 2,319 | 5.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 21 | U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 110 | 264 $ | as of Apr 30, 2026 · Original filing |
Institutional managers
43 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 8,434,560 | 19.1M $ | as of Mar 31, 2026 |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 1,848,296 | 4.2M $ | as of Mar 31, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 883,931 | 2M $ | as of Mar 31, 2026 |
| Advent International, L.P. | 552,377 | 1.3M $ | as of Mar 31, 2026 |
| Evernest Financial Advisors, LLC | 432,510 | 1M $ | as of Mar 31, 2026 |
| SEI INVESTMENTS CO | 284,816 | 646.5K $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 283,280 | 643K $ | as of Mar 31, 2026 |
| Legato Capital Management LLC | 274,924 | 624.1K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 247,177 | 561.3K $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 212,114 | 481.5K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 157,232 | 356.9K $ | as of Mar 31, 2026 |
| JANE STREET GROUP, LLC | 132,925 | 301.7K $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 126,617 | 287.4K $ | as of Mar 31, 2026 |
| 683 Capital Management, LLC | 120,773 | 274.2K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 93,874 | 213.1K $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 87,589 | 198.7K $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 71,912 | 163.2K $ | as of Mar 31, 2026 |
| FIFTH LANE CAPITAL, LP | 71,000 | 161.2K $ | as of Mar 31, 2026 |
| XTX Topco Ltd | 61,070 | 138.6K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 48,279 | 109.6K $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 31,014 | 70.4K $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 29,207 | 66.3K $ | as of Mar 31, 2026 |
| Temasek Holdings (Private) Ltd | 21,818 | 49.5K $ | as of Mar 31, 2026 |
| BARCLAYS PLC | 21,595 | 49K $ | as of Mar 31, 2026 |
| Catalyst Funds Management Pty Ltd | 21,200 | 48.1K $ | as of Mar 31, 2026 |