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Quantum

QMCO · US

Held by 1 big investorsLargest: Oaktree

Quantum is held by 1 of the 26 tracked investors in their latest 13F filings. The largest position is Oaktree Capital Management's at $22.1M, 0.31% of that portfolio.

Big investors holding this stock

Latest 13F of the 26 tracked investors. Common shares only.

InvestorValue ($)WeightRank in portfoliovs prior quarter
Oaktree Capital Management
Howard Marks's firm · Q2 2026weight 0.31% · Q2 2026
22.1M0.31%#59New

Key points

Holders
Oaktree Capital Management ($22.1M), per their latest 13F filings.
Berkshire
Berkshire Hathaway did not report it in its latest 13F.
Note
Not in its latest 13F.

Discussion

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Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.