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
Q3 		– Sell
-66,869
Closed -$116K – 3388
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

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $36.7B AUM 6.83% 1-Year Est. Return
Pekin Hardy Strauss
Pekin Hardy Strauss Chicago, Illinois $1.14B AUM 25.53% 1-Year Est. Return
FNY Investment Advisers
FNY Investment Advisers New York $402M AUM 85.9% 1-Year Est. Return
AXQ Capital
AXQ Capital Jersey City, New Jersey $764M AUM 4.44% 1-Year Est. Return

SEI Investments's RPID Position: Q3 2026 in Review

SEI Investments sold out of Rapid Micro Biosystems (RPID) in Q3 2026, closing a stake of 66,869 shares — an estimated $116K sold.

SEI Investments first reported a position in RPID in Q4 2025 and held it in 3 quarters. The position peaked at $647K in Q1 2026. 20 funds tracked by Wall St. Rank hold RPID as of Q3 2026.

  • SEI Investments reported no remaining Rapid Micro Biosystems position as of Q3 2026 after selling out during the quarter.
  • SEI Investments sold 66,869 Rapid Micro Biosystems shares in Q3 2026, an estimated $116K.
  • SEI Investments first reported a position in Rapid Micro Biosystems in Q4 2025 and held it in 3 quarters.
  • SEI Investments's Rapid Micro Biosystems position peaked at $647K in Q1 2026.
  • 20 funds tracked by Wall St. Rank held Rapid Micro Biosystems as of Q3 2026.

Based on SEI Investments's 13F filing for Q3 2026, filed 10 Nov 2026.