SEI Investments
RPID icon

SEI Investments’s Rapid Micro Biosystems RPID Stock Holding History

SEI Investments’s Portfolio RPID Stock Details RPID Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$647K Buy
284,816
+191,200
+204% +$700K ﹤0.01% 2565
2025
Q4 		$271K Buy
+93,616
New +$325K ﹤0.01% 2785

Other funds holding RPID

BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
AWGLSCP
ABG-WTT Global Life Science Capital Partners Central, Hong Kong, Hong Kong $12.3M AUM 3.13% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
EIM
Essex Investment Management Boston, Massachusetts $632M AUM 95.36% 1-Year Est. Return
AI
Advent International Boston, Massachusetts $4.24B AUM 4.24% 1-Year Est. Return
EFA
Evernest Financial Advisors Carmel, Indiana $481M AUM 19.97% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
LCM
Legato Capital Management San Francisco, California $1.1B AUM 61.65% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

SEI Investments's RPID Position: Q1 2026 in Review

SEI Investments increased its Rapid Micro Biosystems (RPID) stake by 204% in Q1 2026, buying an estimated $700K and bringing the position to 284,816 shares worth $647K. The position accounts for ﹤0.01% of the portfolio, ranked #2565.

SEI Investments first reported a position in RPID in Q4 2025 and has held it in 2 quarters since. 46 funds tracked by Wall St. Rank hold RPID as of Q1 2026.

  • SEI Investments held 284,816 shares of Rapid Micro Biosystems worth $647K as of Q1 2026.
  • SEI Investments bought 191,200 Rapid Micro Biosystems shares in Q1 2026, an estimated $700K.
  • Rapid Micro Biosystems made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #2565 holding.
  • SEI Investments first reported a position in Rapid Micro Biosystems in Q4 2025 and has held it in 2 quarters since.
  • 46 funds tracked by Wall St. Rank held Rapid Micro Biosystems as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.