NASDAQ: QMCO
Quantum Corp Stock Ownership - Who owns Quantum?

Insider buying vs selling

Have Quantum Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
James J. LernerPresident CEO2025-04-212,784$9.65
$26.86kSell
Brian E. CabreraSVP Chief Admin Ofcr Secy2025-04-211,078$9.65
$10.40kSell
Lewis W. MooreheadChief Accounting Officer2025-04-21179$9.65
$1.73kSell
Pacific Investment Management Co LLC10% Owner2025-04-15962,127$10.25
$9.86MSell
Laura A. NashChief Accounting Officer2025-04-02136$12.85
$1.75kSell
Kenneth P. GianellaChief Financial Officer2025-02-031,279$21.53
$27.54kSell
Henk Jan SpanjaardChief Revenue Officer2025-01-16935$35.68
$33.36kSell
Brian E. CabreraSVP Chief Admin Ofcr Secy2025-01-161,996$35.68
$71.22kSell
Kenneth P. GianellaChief Financial Officer2025-01-161,487$35.68
$53.06kSell
James J. LernerPresident CEO2025-01-162,511$35.68
$89.59kSell

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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
NameHoldSharesValueType
B Riley Financial Inc404.75%23,613,778$279.59MInsider
Jeffrey C. Smith132.18%7,711,659$91.31MInsider
Starboard Value LP128.88%7,518,996$89.02MInsider
Eric Singer121.52%7,089,609$83.94MInsider
Gregg J. Powers15.97%931,892$11.03MInsider
Linda M. Breard15.71%916,761$10.85MInsider
J. Michael Dodson14.92%870,372$10.31MInsider
Theodore A. Stinson12.25%714,743$8.46MInsider
Richard Belluzzo10.01%584,072$6.92MInsider
Janae S. Lee9.01%525,520$6.22MInsider

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QMCO vs Computer Hardware Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QMCO2.99%97.01%Net SellingNet Selling
INVE8.97%91.03%Net SellingNet Selling
ALOT17.15%82.85%Net BuyingNet Buying
YIBO0.02%0.00%
OSS25.96%72.73%Net BuyingNet Buying

Quantum Stock Ownership FAQ

Who owns Quantum?

Quantum (NASDAQ: QMCO) is owned by 30.82% institutional shareholders, 1,001.39% Quantum insiders, and 0.00% retail investors. B Riley Financial Inc is the largest individual Quantum shareholder, owning 23.61M shares representing 404.75% of the company. B Riley Financial Inc's Quantum shares are currently valued at $279.59M.

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