QUANTUM CORP /DE/ (QMCO)
SEC filings, insider trading & institutional ownership from EDGAR.
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Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
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Top holders
13F & 13D/G • latest quarter
| Holder | Filed | Value |
|---|---|---|
| OAKTREE CAPITAL MANAGEMENT LP | Aug 14, 2026 | $22.13M |
| Neuberger Berman Group LLC | Aug 13, 2026 | $12.8M |
| MARSHALL WACE, LLP | Aug 13, 2026 | $7.84M |
| Vanguard Capital Management | Aug 13, 2026 | $6.66M |
| BlackRock, Inc. | Aug 7, 2026 | $3M |
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Data as of Oct 24, 2026Source: SEC EDGAR.