NASDAQ: QMCOQuantum Corp Stock Ownership - Who owns Quantum?
Insider buying vs selling
Have Quantum Corp insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Dialectic Technology Spv LLC | 10% Owner | 2026-06-04 | 11,020,645 | $5.19 | $57.24MBuy |
| Dialectic Technology Spv LLC | 10% Owner | 2026-06-04 | 3,083,975 | $5.19 | $16.02MBuy |
| John Fichthorn | Director | 2026-06-04 | 11,020,645 | $5.19 | $57.24MBuy |
| John Fichthorn | Director | 2026-06-04 | 3,083,975 | $5.19 | $16.02MBuy |
| Laura A. Nash | Chief Accounting Officer | 2026-04-02 | 109 | $5.44 | $592.96Sell |
| Laura A. Nash | Chief Accounting Officer | 2025-10-02 | 611 | $10.86 | $6.64kSell |
| Hugues Meyrath | President CEO | 2025-10-02 | 2,975 | $10.86 | $32.31kSell |
| Laura A. Nash | Chief Accounting Officer | 2025-10-01 | 118 | $9.91 | $1.17kSell |
| Laura A. Nash | Chief Accounting Officer | 2025-09-12 | 284 | $7.40 | $2.10kSell |
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Net Insider Buy/Sell (L12M) Ownership
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QMCO Shareholders
What type of owners hold Quantum Corp stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| B Riley Financial Inc | 59.97% | 23,613,778 | $259.75M | Insider |
| John Fichthorn | 35.95% | 14,153,516 | $155.69M | Insider |
| Dialectic Technology Spv LLC | 35.82% | 14,104,620 | $155.15M | Insider |
| Jeffrey C. Smith | 19.59% | 7,711,659 | $84.83M | Insider |
| Starboard Value LP | 19.10% | 7,518,996 | $82.71M | Insider |
| Eric Singer | 18.01% | 7,089,609 | $77.99M | Insider |
| Gregg J. Powers | 2.37% | 931,892 | $10.25M | Insider |
| Linda M. Breard | 2.33% | 916,761 | $10.08M | Insider |
| J. Michael Dodson | 2.21% | 870,372 | $9.57M | Insider |
| Theodore A. Stinson | 1.82% | 714,743 | $7.86M | Insider |
QMCO vs Computer Hardware Stocks
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.