QUANTUM CORP (QMCO) Institutional Ownership and Insiders Activity

QUANTUM CORP (QMCO) is widely held by institutional investors, with 59 firms reporting positions valued at approximately $158.07M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Alyeska Investment Group, L.P. is the largest disclosed holder, reporting approximately $29.19M in QMCO holdings in its latest filing.