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American Century Companies Inc.
American Century Companies Inc.
MCRB
3 quarters
Position history for American Century Companies Inc.'s holdings in Seres Therapeutics, Inc.
Yes. American Century Companies holds 28,313 shares of MCRB (Seres Therapeutics), worth $223,390, as of its Q2 2026 13F filing. It reduced the position by 34,003 shares (-54.6%) from Q1 2026. American Century Companies has held MCRB since Q4 2025, across 3 quarterly 13F filings.
Current Value
$223,390
Current Shares
28,313
Total Value Change
-$18,722
Total Shares Change
+12,042
Quarter-by-Quarter History
Other major holders of MCRB: Vanguard Group Inc., FMR LLC, Susquehanna International Group, LLP