DOSSIER · 13F Holders · Q2 2026
C3IS INC COM
2 institutions still hold C3IS INC COM as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP Y18284300·2 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
2 institutions reported C3IS INC COM in Q2 2026. TOWERVIEW LLC leads at 100.0% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.