DOSSIER · 13F Holders · Q1 2026
OSISKO DEVELOPMENT CORP
4 institutions still hold OSISKO DEVELOPMENT CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 68828E909·4 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
4 institutions reported OSISKO DEVELOPMENT CORP in Q1 2026. GROUP ONE TRADING LLC leads at 43.6% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.