QUANTUM CORP (QMCO) is held by 40 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is Alyeska Investment Group, L.P. as of Q2 2026.

Are institutions buying or selling QMCO?

In Q2 2026, 35 institutions opened or increased positions in QUANTUM CORP while 7 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on QMCO?

HoldingsIntel scores QUANTUM CORP across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 3 of the 4 carrying data for QMCO. In Q2 2026, the institutional leg showed net inflows: 35 buying versus 7 selling.

How many hedge funds hold QMCO?

40 institutional investors report holding QUANTUM CORP (QMCO) as of Q2 2026, based on SEC 13F filings.

Is institutional money flowing into QMCO?

As of Q2 2026, tracked institutions in QUANTUM CORP show 35 buyers versus 7 sellers — net inflows.

QUANTUM CORP

QMCO·747906501·UW·Common Stock·Technology - Computer Hardware-Activist

Holders

(1 Elite)

$98.1M

Total Value

83% (42)

Consensus

35 buying - 7 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Held by 40 funds

1 elite

Who's Trading

Source dates: Price Oct 13, 2026 · Insiders Oct 5, 2026 · Activists May 15, 2025 · Congress none

InsiderPHPatel HiralVest 50K shOct 1, 2026

InsiderFJFICHTHORN JOHNVest 12K shOct 1, 2026

InsiderTRTracy John R.Vest 12K shOct 1, 2026

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	Action
AIAlyeska Investment Group, L.P.	New	2.7M	$29.2M	0.1%	+141.09%	40
OAKTREE CAPITAL MANAGEMENT LP	New	2M	$22.1M	0.3%	+141.09%	47
Neuberger Berman Group LLC	New	1.2M	$12.8M	0.0%	+141.09%	39
MWMARSHALL WACE, LLP	Increased	713,075(+1800.1%)	$7.8M	0.0%	+147.17%	44
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	605,541(+12.3%)	$6.7M	0.0%	+397.00%	31
BlackRock, Inc.	Increased	273,030(+25.5%)	$3M	0.0%	-20.24%	22
BANK OF AMERICA CORP /DE/	Increased	170,130(+730.5%)	$1.9M	0.0%	+146.86%	42
GEODE CAPITAL MANAGEMENT, LLC	Increased	164,600(+3.4%)	$1.8M	0.0%	+302.63%	27
RENAISSANCE TECHNOLOGIES LLC	New	154,516	$1.7M	0.0%	+141.09%	36
Walleye Capital LLC	New	120,044	$1.3M	0.0%	+141.09%	35
RAYMOND JAMES FINANCIAL INC	New	103,836	$1.1M	0.0%	+141.09%	35
Centiva Capital, LP	New	100,000	$1.1M	0.0%	+141.09%	35
VFVANGUARD FIDUCIARY TRUST CO	Increased	89,125(+11.0%)	$980,375	0.0%	+403.00%	28
Qube Research & Technologies Ltd	New	80,977	$890,747	0.0%	+141.09%	34
STATE STREET CORP	Increased	75,914(+4.3%)	$835,054	0.0%	+197.53%	18
SUSQUEHANNA INTERNATIONAL GROUP, LLP	New	69,775	$767,525	0.0%	+141.09%	34
Man Group plc	New	68,593	$754,523	0.0%	+141.09%	34
UBS Group AG	Decreased	46,106(-53.5%)	$507,166	0.0%	+99.78%	0
SEI INVESTMENTS CO	New	38,739	$426,150	0.0%	+141.09%	33
SOSquarepoint Ops LLC	New	33,817	$371,987	0.0%	+141.09%	33

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QMCOQUANTUM CORP

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

QUANTUM CORP

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