DOSSIER · 13F Holders · Q1 2026
SBNY
SIGNATURE BANK
5 institutions still hold SIGNATURE BANK as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 82669G104·5 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
5 institutions reported SBNY in Q1 2026. MASON CAPITAL MANAGEMENT LLC leads at 99.5% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.