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

Insider buying vs selling

Have Quantum Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Hugues MeyrathPresident CEO2025-10-022,975$10.86
$32.31kSell
Laura A. NashChief Accounting Officer2025-10-02611$10.86
$6.64kSell
Laura A. NashChief Accounting Officer2025-10-01118$9.91
$1.17kSell
Laura A. NashChief Accounting Officer2025-09-12284$7.40
$2.10kSell
Brian E. CabreraSVP Chief Admin Ofcr Secy2025-04-211,078$9.65
$10.40kSell
James J. LernerPresident CEO2025-04-212,784$9.65
$26.86kSell
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

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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 Inc172.10%23,613,778$182.30MInsider
Jeffrey C. Smith56.20%7,711,659$59.53MInsider
Starboard Value LP54.80%7,518,996$58.05MInsider
Eric Singer51.67%7,089,609$54.73MInsider
Gregg J. Powers6.79%931,892$7.19MInsider
Linda M. Breard6.68%916,761$7.08MInsider
J. Michael Dodson6.34%870,372$6.72MInsider
Theodore A. Stinson5.21%714,743$5.52MInsider
Richard Belluzzo4.26%584,072$4.51MInsider
Janae S. Lee3.83%525,520$4.06MInsider

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QMCO vs Computer Hardware Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QMCO1.46%98.54%Net SellingNet Selling
VELO1.11%98.89%Net BuyingNet Buying
INVE8.48%91.52%Net SellingNet Selling
OSS39.41%60.59%Net Buying
YIBO0.13%0.00%

Quantum Stock Ownership FAQ

Who owns Quantum?

Quantum (NASDAQ: QMCO) is owned by 6.30% institutional shareholders, 425.03% Quantum insiders, and 0.00% retail investors. B Riley Financial Inc is the largest individual Quantum shareholder, owning 23.61M shares representing 172.10% of the company. B Riley Financial Inc's Quantum shares are currently valued at $195.05M.

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