SEI Investments
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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
Q2 		$116K Sell
66,869
-217,947
-77% -$459K ﹤0.01% 3157
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 $1.68B AUM 126.09% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
AWGLSCP
ABG-WTT Global Life Science Capital Partners Central, Hong Kong, Hong Kong $8.55M AUM 12.76% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
EFA
Evernest Financial Advisors Carmel, Indiana $478M AUM 24% 1-Year Est. Return
AI
Advent International Boston, Massachusetts $17.7B AUM 5.23% 1-Year Est. Return
EIM
Essex Investment Management Boston, Massachusetts $763M AUM 108.51% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

SEI Investments's RPID Position: Q2 2026 in Review

SEI Investments reduced its Rapid Micro Biosystems (RPID) stake by 77% in Q2 2026, selling an estimated $459K and leaving 66,869 shares worth $116K. The position accounts for ﹤0.01% of the portfolio, ranked #3157.

SEI Investments first reported a position in RPID in Q4 2025 and has held it in 3 quarters since. The position peaked at $647K in Q1 2026. 34 funds tracked by Wall St. Rank hold RPID as of Q2 2026.

  • SEI Investments held 66,869 shares of Rapid Micro Biosystems worth $116K as of Q2 2026.
  • SEI Investments sold 217,947 Rapid Micro Biosystems shares in Q2 2026, an estimated $459K.
  • Rapid Micro Biosystems made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3157 holding.
  • SEI Investments first reported a position in Rapid Micro Biosystems in Q4 2025 and has held it in 3 quarters since.
  • SEI Investments's Rapid Micro Biosystems position peaked at $647K in Q1 2026.
  • 34 funds tracked by Wall St. Rank held Rapid Micro Biosystems as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.