Marshall Wace
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Marshall Wace’s Rapid Micro Biosystems RPID Stock Holding History

Marshall Wace’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 		$34.6K Sell
15,224
-47,687
-76% -$175K ﹤0.01% 3011
2025
Q4 		$182K Buy
+62,911
New +$218K ﹤0.01% 2610

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
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 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

Marshall Wace's RPID Position: Q1 2026 in Review

Marshall Wace reduced its Rapid Micro Biosystems (RPID) stake by 76% in Q1 2026, selling an estimated $175K and leaving 15,224 shares worth $34.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3011.

Marshall Wace first reported a position in RPID in Q4 2025 and has held it in 2 quarters since. The position peaked at $182K in Q4 2025. 46 funds tracked by Wall St. Rank hold RPID as of Q1 2026.

  • Marshall Wace held 15,224 shares of Rapid Micro Biosystems worth $34.6K as of Q1 2026.
  • Marshall Wace sold 47,687 Rapid Micro Biosystems shares in Q1 2026, an estimated $175K.
  • Rapid Micro Biosystems made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #3011 holding.
  • Marshall Wace first reported a position in Rapid Micro Biosystems in Q4 2025 and has held it in 2 quarters since.
  • Marshall Wace's Rapid Micro Biosystems position peaked at $182K in Q4 2025.
  • 46 funds tracked by Wall St. Rank held Rapid Micro Biosystems as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.