DOSSIER · 13F Holders · Q2 2026
QUANTUM CORP
2 institutions still hold QUANTUM CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 747906950·2 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
2 institutions reported QUANTUM CORP in Q2 2026. SIMPLEX TRADING, LLC leads at 100.0% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.