QMCO institutional holders

QUANTUM CORPORATION · 13F, 2026Q2

Managers holding59
Shares held14,378,632
Reported value$157.3m
Quarter flows31 new, 18 added, 6 trimmed, 9 exited

Top 25 holders

ManagerSharesValue% of manager's 13F
Alyeska Investment Group, L.P.2,653,928$29.2m0.1%
Two Seas Capital LP2,488,535$27.4m0.5%
OAKTREE CAPITAL MANAGEMENT LP2,011,678$22.1m0.3%
NEUBERGER BERMAN GROUP LLC1,163,315$12.8m0.0%
Portolan Capital Management, LLC1,020,120$11.2m0.4%
ASHFORD CAPITAL MANAGEMENT INC1,039,200$10.6m1.1%
MARSHALL WACE, LLP713,075$7.8m0.0%
VANGUARD CAPITAL MANAGEMENT LLC605,541$6.7m0.0%
Manatuck Hill Partners, LLC350,000$3.9m1.3%
BlackRock, Inc.273,030$3.0m0.0%
Cinctive Capital Management LP182,769$2.0m0.1%
BANK OF AMERICA CORP /DE/170,130$1.9m0.0%
GEODE CAPITAL MANAGEMENT, LLC164,600$1.8m0.0%
RENAISSANCE TECHNOLOGIES LLC154,516$1.7m0.0%
SONA ASSET MANAGEMENT (US) LLC150,000$1.6m0.0%
Walleye Capital LLC120,044$1.3m0.0%
RAYMOND JAMES FINANCIAL INC103,836$1.1m0.0%
Centiva Capital, LP100,000$1.1m0.0%
VANGUARD FIDUCIARY TRUST CO89,125$980,3750.0%
KKM Financial LLC90,274$960,5150.1%
Qube Research & Technologies Ltd80,977$890,7470.0%
STATE STREET CORP75,914$835,0540.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP69,775$767,5250.0%
Man Group plc68,593$754,5230.0%
Informed Momentum Co LLC64,857$713,4270.1%

Every holder, line by line, and the full history since 2013: yf.Client().holders("QMCO"). QMCO price history · All 13F data

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