DOSSIER · 13F Holders · Q2 2026
APTOF
APTOSE BIOSCIENCES INC
4 institutions still hold APTOSE BIOSCIENCES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 03835T408·4 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
4 institutions reported APTOF in Q2 2026. DRW Securities, LLC leads at 82.7% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.