DOSSIER · 13F Holders · Q4 2025Defensive growthQuality
MCRB
SERES THERAPEUTICS INC
36 institutions still hold SERES THERAPEUTICS INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 81750R201·36 13F holders·last filed Dec 31, 2025
AI Holders Summary · Q4 2025
36 institutions reported MCRB in Q4 2025. Flagship Pioneering Inc. leads at 55.4% of the visible book. +119 net new institutions vs prior quarter — accumulation reading.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
Page 1 of 2
16 more holders available. Log in →