DOSSIER · 13F Holders · Q4 2025
QSIAW
QUANTUM SI INC
3 institutions still hold QUANTUM SI INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 74765K113·3 13F holders·last filed Dec 31, 2025
AI Holders Summary · Q4 2025
3 institutions reported QSIAW in Q4 2025. DEERFIELD MANAGEMENT COMPANY, L.P. leads at 97.4% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.