RAPID MICRO BIOSYSTEMS, INC. - RPID

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Bain Capital Life Sciences Investors, LLC History No change 8,434,560 19,146 1.73% 1.87% 1 0 0.0% Q1 2026 May 15, 2026
ABG-WTT Global Life Science Capital Partners GP Ltd History No change 1,848,296 4,195 34.12% 35.62% 2 0 0.0% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 978,781 2,838 0.0% 0.0% 3 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 982,494 2,230 0.0% 4 +982,494 New Q1 2026 May 15, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History Added to 883,931 2,006 0.32% 0.03% 5 +821,605 1318.24% Q1 2026 May 11, 2026
ADVENT INTERNATIONAL, L.P. History Reduced 552,377 1,253 0.03% 0.03% 6 -25,400 -4.4% Q1 2026 May 15, 2026
Evernest Financial Advisors, LLC History Added to 432,510 1,020 0.21% 0.1% 7 +307,510 246.01% Q1 2026 May 04, 2026
SEI INVESTMENTS CO History Added to 284,816 646 0.0% 0.0% 8 +191,200 204.24% Q1 2026 May 13, 2026
MILLENNIUM MANAGEMENT LLC History Added to 283,280 643 0.0% 0.0% 9 +166,778 143.15% Q1 2026 May 15, 2026
Legato Capital Management LLC History Added to 274,924 624 0.06% 0.0% 10 +260,240 1772.27% Q1 2026 May 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 247,177 561 0.0% 0.0% 11 +29,609 13.61% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 212,114 481 0.0% 0.0% 12 +39,879 23.15% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 157,232 356 0.0% 0.0% 13 +566 0.36% Q1 2026 May 13, 2026
JANE STREET GROUP, LLC History Added to 132,925 301 0.0% 0.0% 14 +27,624 26.23% Q1 2026 May 12, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 126,617 287 0.0% 0.0% 15 +10,990 9.5% Q1 2026 May 14, 2026
683 Capital Management, LLC History No change 120,773 274 0.01% 0.02% 16 0 0.0% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 109,712 249 0.0% 17 +109,712 New Q1 2026 May 08, 2026
STATE STREET CORP History Added to 93,874 213 0.0% 0.0% 18 +2,400 2.62% Q1 2026 May 15, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 87,589 198 0.0% 0.0% 19 +31,407 55.9% Q1 2026 May 07, 2026
GOLDMAN SACHS GROUP INC History Added to 71,912 163 0.0% 0.0% 20 +16,606 30.03% Q1 2026 May 15, 2026
FIFTH LANE CAPITAL, LP History Added to 71,000 161 0.2% 0.04% 21 +53,300 301.13% Q1 2026 May 15, 2026
XTX Topco Ltd History New 61,070 138 0.0% 22 +61,070 New Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 48,279 109 0.0% 0.0% 23 +7,792 19.25% Q1 2026 May 14, 2026
BANK OF AMERICA CORP /DE/ History Added to 31,014 70 0.0% 0.0% 24 +18,085 139.88% Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 29,207 66 0.0% 0.0% 25 -2,182 -6.95% Q1 2026 May 15, 2026
ALGERT GLOBAL LLC History New 23,181 53 0.0% 26 +23,181 New Q1 2026 May 14, 2026
Temasek Holdings (Private) Ltd History New 21,818 49 0.0% 28 +21,818 New Q1 2026 May 12, 2026
BARCLAYS PLC History Reduced 21,595 49 0.0% 0.0% 27 -3,264 -13.13% Q1 2026 May 14, 2026
Catalyst Funds Management Pty Ltd History New 21,200 48 0.01% 29 +21,200 New Q1 2026 May 11, 2026
Graham Capital Management, L.P. History New 20,000 45 0.0% 30 +20,000 New Q1 2026 May 15, 2026
AMERICAN CENTURY COMPANIES INC History No change 16,922 38 0.0% 0.0% 31 0 0.0% Q1 2026 May 15, 2026
OMERS ADMINISTRATION Corp History Reduced 15,900 36 0.0% 0.0% 32 -8,500 -34.84% Q1 2026 May 15, 2026
MARSHALL WACE, LLP History Reduced 15,224 34 0.0% 0.0% 33 -47,687 -75.8% Q1 2026 May 14, 2026
Qube Research & Technologies Ltd History Reduced 15,410 34 0.0% 0.0% 34 -17,689 -53.44% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Reduced 14,000 31 0.0% 0.0% 35 -300 -2.1% Q1 2026 May 15, 2026
BANCO BILBAO VIZCAYA ARGENTARIA, S.A. History New 12,691 29 0.0% 36 +12,691 New Q1 2026 May 14, 2026
Hudson Bay Capital Management LP History New 12,524 28 0.0% 38 +12,524 New Q1 2026 May 13, 2026
NANO CAP NEW MILLENNIUM GROWTH FUND L P History Reduced 12,500 28 0.03% 0.06% 37 -12,500 -50.0% Q1 2026 May 15, 2026
Vanguard Global Advisers, LLC History New 11,630 26 0.0% 39 +11,630 New Q1 2026 May 08, 2026
UBS Group AG History Added to 11,252 25 0.0% 40 +11,211 27343.9% Q1 2026 May 05, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 9,327 21 0.0% 0.0% 41 -1,773 -15.97% Q1 2026 May 12, 2026
Larson Financial Group LLC History New 5,491 12 0.0% 42 +5,491 New Q1 2026 May 15, 2026
ROYAL BANK OF CANADA History New 719 2 0.0% 43 +719 New Q1 2026 May 15, 2026
RESOURCES MANAGEMENT CORP /CT/ /ADV History No change 500 1 0.0% 0.0% 44 0 0.0% Q1 2026 May 15, 2026
Parkman Healthcare Partners LLC History Closed out 0 0 0.1% -354,465 -100.0% Q1 2026 May 15, 2026
Schonfeld Strategic Advisors LLC History Closed out 0 0 0.0% -352,433 -100.0% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Closed out 0 0 0.0% -126,539 -100.0% Q1 2026 May 15, 2026
Informed Momentum Co LLC History Closed out 0 0 0.02% -77,182 -100.0% Q1 2026 May 13, 2026
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -30,367 -100.0% Q1 2026 May 15, 2026
Lighthouse Investment Partners, LLC History Closed out 0 0 0.0% -15,720 -100.0% Q1 2026 May 14, 2026
CITIGROUP INC History Closed out 0 0 0.0% -4,832 -100.0% Q1 2026 May 11, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 -317 -100.0% Q1 2026 May 15, 2026
CWM, LLC History New 188 0 +188 New Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History No change 109 0 0 0.0% Q1 2026 May 13, 2026
SBI Securities Co., Ltd. History No change 15 0 0 0.0% Q1 2026 Apr 27, 2026