QUANTUM CORP /DE/ - QMCO

Sector: Technology · Industry: Computer Storage Devices
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Quarter snapshot

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Q3 2026 · Q2 2026
Value (USD)
Total reported value ($000)
$195.7M
QoQ value delta ($000)
+$31.24M (+18.99%)
Implied price effect (QoQ)
+25.38%
Shares
Total shares
14,273,513
QoQ shares delta
-765,714 (-5.09%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

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Top holders (Q3 2026)

Top 25 only Full list
Partial Q3 2026 data: 22 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
Two Seas Capital LP 47,294 1,490,992 0.54%
Alyeska Investment Group, L.P. 29,193 2,653,928 0.08%
OAKTREE CAPITAL MANAGEMENT LP 22,128 2,011,678 0.31%
Neuberger Berman Group LLC 12,796 1,163,315 0.01%
Portolan Capital Management, LLC 11,221 1,020,120 0.42%
ASHFORD CAPITAL MANAGEMENT INC 10,551 1,039,200 1.13%
GEODE CAPITAL MANAGEMENT, LLC 9,685 305,156 0.0%
MARSHALL WACE, LLP 7,843 713,075 0.01%
VANGUARD CAPITAL MANAGEMENT LLC 6,660 605,541 0.0%
Manatuck Hill Partners, LLC 3,850 350,000 1.28%
BlackRock, Inc. 3,003 273,030 0.0%
SONA ASSET MANAGEMENT (US) LLC 2,751 250,100 0.06%
JANE STREET GROUP, LLC 2,293 208,500 0.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 2,200 200,075 0.0%
Cinctive Capital Management LP 2,010 182,769 0.07%
BANK OF AMERICA CORP /DE/ 1,871 170,130 0.0%
RENAISSANCE TECHNOLOGIES LLC 1,699 154,516 0.0%
CITADEL ADVISORS LLC 1,504 136,800 0.0%
Walleye Capital LLC 1,320 120,044 0.0%
RAYMOND JAMES FINANCIAL INC 1,142 103,836 0.0%
Centiva Capital, LP 1,100 100,000 0.01%
BARCLAYS PLC 991 31,257 0.0%
VANGUARD FIDUCIARY TRUST CO 980 89,125 0.0%
KKM Financial LLC 960 90,274 0.13%
Qube Research & Technologies Ltd 890 80,977 0.0%