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
Lewis W. MooreheadChief Accounting Officer2025-04-21179$9.65
$1.73kSell
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
Pacific Investment Management Co LLC10% Owner2025-04-15962,127$10.25
$9.86MSell
Laura A. NashChief Accounting Officer2025-04-02136$12.85
$1.75kSell

1 of 1

QMCO insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when QMCO insiders and whales buy or sell their stock.

QMCO Shareholders

What type of owners hold Quantum Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
B Riley Financial Inc161.32%23,613,778$125.15MInsider
Jeffrey C. Smith52.68%7,711,659$40.87MInsider
Starboard Value LP51.37%7,518,996$39.85MInsider
Eric Singer48.43%7,089,609$37.57MInsider
Gregg J. Powers6.37%931,892$4.94MInsider
Linda M. Breard6.26%916,761$4.86MInsider
J. Michael Dodson5.95%870,372$4.61MInsider
Theodore A. Stinson4.88%714,743$3.79MInsider
Vanguard Group Inc4.27%625,538$3.32MInstitution
Richard Belluzzo3.99%584,072$3.10MInsider

1 of 3

QMCO vs Computer Hardware Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QMCO3.28%96.72%Net Selling
INVE8.94%91.06%Net SellingNet Selling
ALOT14.33%85.67%Net Buying
YIBO0.24%0.00%
UAVS1.60%98.40%Net Buying

Quantum Stock Ownership FAQ

Who owns Quantum?

Quantum (NASDAQ: QMCO) is owned by 13.57% institutional shareholders, 399.60% Quantum insiders, and 0.00% retail investors. B Riley Financial Inc is the largest individual Quantum shareholder, owning 23.61M shares representing 161.32% of the company. B Riley Financial Inc's Quantum shares are currently valued at $125.15M.

If you're new to stock investing, here's how to buy Quantum stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

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.