Rapid Micro Biosystems, Inc.
RPID- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001380106
No open-market purchases or sales by Rapid Micro Biosystems, Inc. insiders were filed in the last 90 days; 34 institutions reported holding it in 13F filings for Q2 2026, worth $30.3M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Rapid Micro Biosystems, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 46
- +5 vs. Q4 2025
- Shares held
- 15.8M
- +2.20M (+16.1%) vs. Q4 2025
- Total value
- $36.0M
- −$3.67M (−9.3%) vs. Q4 2025
- New holders
- 13
- 17 more added
- Sold out
- 8
- 9 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RPID on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 34 | $30.3M |
| Q1 2026 | 46 | $36.0M |
| Q4 2025 | 42 | $42.5M |
| Q3 2025 | 29 | $49.5M |
| Q2 2025 | 29 | $52.3M |
| Q1 2025 | 28 | $40.4M |
| Q4 2024 | 19 | $10.8M |
| Q3 2024 | 19 | $15.6M |
| Q2 2024 | 21 | $12.2M |
| Q1 2024 | 23 | $18.2M |
| Q4 2023 | 26 | $14.9M |
| Q3 2023 | 23 | $23.2M |
| Q2 2023 | 24 | $21.9M |
| Q1 2023 | 31 | $29.9M |
| Q4 2022 | 42 | $27.7M |
| Q3 2022 | 53 | $82.8M |
| Q2 2022 | 52 | $112.2M |
| Q1 2022 | 59 | $181.0M |
| Q4 2021 | 55 | $227.9M |
| Q3 2021 | 49 | $401.4M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Rapid Micro Biosystems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 8,434,560 | $19.1M | 1.73% | 00.0% | Unchanged |
| ABG-WTT Global Life Science Capital Partners GP Ltd | 1,848,296 | $4.20M | 34.13% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 982,494 | $2.23M | 0.00% | +982,494 | New |
| Essex Investment Management Co LLC | 883,931 | $2.01M | 0.32% | +821,605+1,318.2% | Added |
| Advent International Corp | 552,377 | $1.25M | 0.03% | −25,400−4.4% | Reduced |
| Evernest Financial Advisors, LLC | 432,510 | $1.02M | 0.21% | +307,510+246.0% | Added |
| SEI Investments Co | 284,816 | $646.5K | 0.00% | +191,200+204.2% | Added |
| Millennium Management LLC | 283,280 | $643.0K | 0.00% | +166,778+143.2% | Added |
| Legato Capital Management LLC | 274,924 | $624.1K | 0.06% | +260,240+1,772.3% | Added |
| Geode Capital Management, LLC | 247,177 | $561.3K | 0.00% | +29,609+13.6% | Added |
| Susquehanna International Group, LLP | 212,114 | $481.5K | 0.00% | +39,879+23.2% | Added |
| BlackRock, Inc. | 157,232 | $356.9K | 0.00% | +566+0.4% | Added |
| Jane Street Group, LLC | 132,925 | $301.7K | 0.00% | +27,624+26.2% | Added |
| Renaissance Technologies LLC | 126,617 | $287.4K | 0.00% | +10,990+9.5% | Added |
| 683 Capital Management, LLC | 120,773 | $274.2K | 0.03% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 109,712 | $249.0K | 0.00% | +109,712 | New |
| State Street Corp | 93,874 | $213.1K | 0.00% | +2,400+2.6% | Added |
| Dimensional Fund Advisors LP | 87,589 | $198.7K | 0.00% | +31,407+55.9% | Added |
| Goldman Sachs Group Inc | 71,912 | $163.2K | 0.00% | +16,606+30.0% | Added |
| Fifth Lane Capital, LP | 71,000 | $161.2K | 0.20% | +53,300+301.1% | Added |
| XTX Topco Ltd | 61,070 | $138.6K | 0.00% | +61,070 | New |
| Northern Trust Corp | 48,279 | $109.6K | 0.00% | +7,792+19.2% | Added |
| Bank of America Corp | 31,014 | $70.4K | 0.00% | +18,085+139.9% | Added |
| Morgan Stanley | 29,207 | $66.3K | 0.00% | −2,182−7.0% | Reduced |
| Algert Global LLC | 23,181 | $52.6K | 0.00% | +23,181 | New |
| Temasek Holdings (Private) Ltd | 21,818 | $49.5K | 0.00% | +21,818 | New |
| Barclays PLC | 21,595 | $49.0K | 0.00% | −3,264−13.1% | Reduced |
| Catalyst Funds Management Pty Ltd | 21,200 | $48.1K | 0.01% | +21,200 | New |
| Graham Capital Management, L.P. | 20,000 | $45.4K | 0.00% | +20,000 | New |
| American Century Companies Inc | 16,922 | $38.4K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 15,900 | $36.1K | 0.00% | −8,500−34.8% | Reduced |
| Qube Research & Technologies Ltd | 15,410 | $35.0K | 0.00% | −17,689−53.4% | Reduced |
| Marshall Wace, LLP | 15,224 | $34.6K | 0.00% | −47,687−75.8% | Reduced |
| Advisor Group Holdings, Inc. | 14,000 | $31.8K | 0.00% | −300−2.1% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 12,691 | $29.0K | 0.00% | +12,691 | New |
| Hudson Bay Capital Management LP | 12,524 | $28.4K | 0.00% | +12,524 | New |
| Nano Cap New Millennium Growth Fund L P | 12,500 | $28.4K | 0.03% | −12,500−50.0% | Reduced |
| Vanguard Global Advisers, LLC | 11,630 | $26.4K | 0.00% | +11,630 | New |
| UBS Group AG | 11,252 | $25.5K | 0.00% | +11,211+27,343.9% | Added |
| BNP Paribas Arbitrage, SA | 9,327 | $21.2K | 0.00% | −1,773−16.0% | Reduced |
| Larson Financial Group LLC | 5,491 | $12.5K | 0.00% | +5,491 | New |
| Royal Bank of Canada | 719 | $2.00K | 0.00% | +719 | New |
| Resources Management Corp | 500 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 188 | $427 | 0.00% | +188 | New |
| JPMorgan Chase & Co | 109 | $242 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 15 | $34 | 0.00% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −354,465−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −352,433−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −126,539−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −77,182−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −30,367−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −15,720−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −4,832−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −317−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |