DOSSIER · 13F Holders · Q1 2026CyclicalNet sold
SLS
SELLAS LIFE SCIENCES GROUP INC
167 institutions still hold SELLAS LIFE SCIENCES GROUP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 81642t209·167 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
167 institutions reported SLS in Q1 2026. BlackRock, Inc. leads at 21.5% of the visible book. +12 net new institutions vs prior quarter — accumulation reading.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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