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MCRB
5 quarters
Position history for MWMarshall Wace, LLP's holdings in Seres Therapeutics, Inc.
Yes. Marshall Wace holds 172,245 shares of MCRB (Seres Therapeutics), worth $1.4M, as of its Q2 2026 13F filing. It increased the position by 32,706 shares (+23.4%) from Q1 2026. Marshall Wace has held MCRB in every 13F on record since Q2 2025, 5 quarterly filings.
Current Value
$1.4M
Current Shares
172,245
Total Value Change
+$343,506
Total Shares Change
+80,840
Quarter-by-Quarter History
Other major holders of MCRB: Vanguard Group Inc., FMR LLC, Susquehanna International Group, LLP