RAPID MICRO BIOSYSTEMS INC-A (RPID) Institutional Ownership Changes & 13F Activity
RAPID MICRO BIOSYSTEMS INC-A (RPID). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Bain Capital Life Sciences Investors, Llc, Abg-Wtt Global Life Science Capital Partners Gp Ltd, Advent International, L.P., Parkman Healthcare Partners Llc, and Schonfeld Strategic Advisors Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, Llc | Buy | +8,434,560 | — | 8,434,560 | $24.46M | Q4 2025 | Feb 17, 2026 |
| Abg-Wtt Global Life Science Capital Partners Gp Ltd | Buy | +1,848,296 | — | 1,848,296 | $5.36M | Q4 2025 | Feb 17, 2026 |
| Advent International, L.P. | Buy | +577,777 | — | 577,777 | $1.68M | Q4 2025 | Feb 17, 2026 |
| Parkman Healthcare Partners Llc | Buy | +354,465 | — | 354,465 | $1.03M | Q4 2025 | Feb 17, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +352,433 | — | 352,433 | $1.02M | Q4 2025 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Buy | +172,235 | — | 172,235 | $499.48K | Q4 2025 | Feb 17, 2026 |
| Citadel Advisors Llc | Buy | +126,539 | — | 126,539 | $366.96K | Q4 2025 | Feb 17, 2026 |
| 683 Capital Management, Llc | Buy | +120,773 | — | 120,773 | $350.24K | Q4 2025 | Feb 17, 2026 |
| Millennium Management Llc | Buy | +116,502 | — | 116,502 | $337.86K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +40,487 | — | 40,487 | $117.41K | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | Buy | +33,099 | — | 33,099 | $95.99K | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | Buy | +30,367 | — | 30,367 | $88.06K | Q4 2025 | Feb 17, 2026 |
| Lighthouse Investment Partners, Llc | Buy | +15,720 | — | 15,720 | $45.59K | Q4 2025 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Buy | +14,300 | — | 14,300 | $41.47K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +12,929 | — | 12,929 | $37.49K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +317 | — | 317 | $919.00 | Q4 2025 | Feb 17, 2026 |
| Evernest Financial Advisors, Llc | Buy | +125,000 | — | 125,000 | $468.75K | Q4 2025 | Feb 13, 2026 |
| Sei Investments Co | Buy | +93,616 | — | 93,616 | $271.49K | Q4 2025 | Feb 13, 2026 |
| State Street Corp | Buy | +91,474 | — | 91,474 | $265.27K | Q4 2025 | Feb 13, 2026 |
| Marshall Wace, Llp | Buy | +62,911 | — | 62,911 | $182.44K | Q4 2025 | Feb 13, 2026 |
| Essex Investment Management Co Llc | Buy | +62,326 | — | 62,326 | $180.75K | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +31,389 | — | 31,389 | $91.03K | Q4 2025 | Feb 13, 2026 |
| Barclays Plc | Buy | +24,859 | — | 24,859 | $72.09K | Q4 2025 | Feb 13, 2026 |
| Omers Administration Corp | Buy | +24,400 | — | 24,400 | $70.76K | Q4 2025 | Feb 13, 2026 |
| Fifth Lane Capital, Lp | Buy | +17,700 | — | 17,700 | $51.33K | Q4 2025 | Feb 13, 2026 |
| American Century Companies Inc | Buy | +16,922 | — | 16,922 | $49.07K | Q4 2025 | Feb 13, 2026 |
| Citigroup Inc | Buy | +4,832 | — | 4,832 | $14.01K | Q4 2025 | Feb 13, 2026 |
| Resources Management Corp | Buy | +500 | — | 500 | $1.00K | Q4 2025 | Feb 13, 2026 |
| Blackrock, Inc. | Buy | +156,666 | — | 156,666 | $454.33K | Q4 2025 | Feb 12, 2026 |
| Jane Street Group, Llc | Buy | +105,301 | — | 105,301 | $305.37K | Q4 2025 | Feb 12, 2026 |
Frequently asked questions about RPID activity
Which institutional owners are buying RPID?
Institutional owners buying RPID include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RPID activity?
"Buy" means an investor increased their reported position in RPID compared to the prior reporting period. This reflects growing exposure to RAPID MICRO BIOSYSTEMS INC-A (RPID) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RPID increasing?
Institutional interest in RPID can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related RPID Institutional Insights
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- RPID Insider Trading & SEC Form 4 Activity
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