DOSSIER · 13F Holders · Q3 2026
QMCO
QUANTUM CORP
88 institutions still hold QUANTUM CORP as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 747906600·88 13F holders·last filed Sep 30, 2026
AI Holders Summary · Q3 2026
88 institutions reported QMCO in Q3 2026. Two Seas Capital LP leads at 21.4% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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