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Time3:56 PM
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29 April 2026
CUSIP 747906501

QUANTUM CORP

102 institutions · $33.5M total · 60,718,823 shares

#ManagerSharesValue% of TotalPeriod
1Neuberger Berman Group LLC13,999,417$8.3M23.05%2024-09-30
2Allianz Asset Management GmbH10,248,322$4.2M16.87%2024-06-30
3B. Riley Securities, Inc.3,824,811$4.2M6.29%2023-03-31
4Long Focus Capital Management, LLC9,174,122$3.8M15.10%2024-06-30
5VANGUARD GROUP INC4,986,626$2.0M8.21%2024-06-30
6Solas Capital Management, LLC2,805,443$1.7M4.62%2023-12-31
7Senvest Management, LLC2,550,931$1.6M4.20%2023-12-31
8Itau Unibanco Holding S.A.56,000$1.0M0.09%2024-12-31
9Roumell Asset Management, LLC1,687,553$1.0M2.77%2023-12-31
10TCW GROUP INC2,120,168$742.1K3.49%2024-06-30
11AWM Investment Company, Inc.584,518$672.2K0.96%2023-06-30
12Pacific Ridge Capital Partners, LLC1,264,992$517.5K2.08%2024-06-30
13Herald Investment Management Ltd1,000,000$426.0K1.64%2024-06-30
14B. Riley Financial, Inc.695,958$417.6K1.14%2024-03-31
15KING LUTHER CAPITAL MANAGEMENT CORP980,000$400.9K1.61%2024-06-30
16GEODE CAPITAL MANAGEMENT, LLC908,051$371.6K1.49%2024-06-30
17BlackRock Inc.854,904$349.7K1.40%2024-06-30
18JACOBS LEVY EQUITY MANAGEMENT, INC249,355$152.1K0.41%2023-12-31
19STATE STREET CORP342,335$140.0K0.56%2024-06-30
20MetLife Investment Management, LLC16,729$139.4K0.02%2024-03-31
21Kovack Advisors, Inc.267,901$109.6K0.44%2024-06-30
22D. E. Shaw & Co., Inc.94,096$108.2K0.15%2023-06-30
23NORTHERN TRUST CORP222,313$90.9K0.36%2024-06-30
24Metropolitan Life Insurance Co/NY10,346$86.2K0.01%2023-06-30
25Squarepoint Ops LLC75,890$82.0K0.12%2023-09-30
26MANUFACTURERS LIFE INSURANCE COMPANY, THE26,110$59.3K0.04%2023-09-30
27Krilogy Financial LLC45,000$51.8K0.07%2023-06-30
28Advance Capital Management, Inc.98,448$40.3K0.16%2024-06-30
29Connor, Clark & Lunn Investment Management Ltd.64,066$39.1K0.10%2023-12-31
30CHARLES SCHWAB INVESTMENT MANAGEMENT INC57,798$35.3K0.09%2023-12-31
31BRIDGEWAY CAPITAL MANAGEMENT, LLC84,800$34.7K0.13%2024-06-30
32Toroso Investments, LLC81,521$33.4K0.13%2024-06-30
33OCCUDO QUANTITATIVE STRATEGIES LP27,281$31.4K0.04%2023-06-30
34MARATHON CAPITAL MANAGEMENT50,000$30.5K0.08%2023-12-31
35SEI INVESTMENTS CO68,874$28.2K0.11%2024-06-30
36GOLDMAN SACHS GROUP INC24,818$27.1K0.04%2024-03-31
37AMERIPRISE FINANCIAL INC42,013$25.6K0.06%2023-12-31
38Cubist Systematic Strategies, LLC22,090$25.4K0.03%2023-06-30
39Lighthouse Investment Partners, LLC21,662$24.9K0.03%2023-06-30
40PRUDENTIAL FINANCIAL INC59,600$24.4K0.09%2024-06-30
41BERKSHIRE ASSET MANAGEMENT LLC/PA57,081$23.4K0.09%2024-06-30
42PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO19,658$21.0K0.03%2023-12-31
43CITADEL ADVISORS LLC32,400$19.3K0.05%2024-03-31
44JANE STREET GROUP, LLC45,753$18.7K0.07%2024-06-30
45XTX Topco Ltd31,311$18.6K0.05%2024-03-31
46McAdam, LLC28,003$16.7K0.04%2024-03-31
47Concurrent Investment Advisors, LLC38,000$15.5K0.06%2024-06-30
48TWO SIGMA SECURITIES, LLC29,315$12.0K0.04%2024-06-30
49RBF Capital, LLC11,025$11.9K0.01%2023-09-30
50Delta Investment Management, LLC19,245$11.7K0.03%2023-12-31
51PATHSTONE FAMILY OFFICE, LLC10,254$11.2K0.01%2023-12-31
52HighTower Advisors, LLC26,063$11.0K0.04%2024-06-30
53Platform Technology Partners10,269$11.0K0.01%2023-09-30
54LPL Financial LLC17,897$10.7K0.02%2024-03-31
55Atria Wealth Solutions, Inc.17,000$10.4K0.02%2023-12-31
56Bank of New York Mellon Corp25,348$10.4K0.04%2024-06-30
57Russell Investments Group, Ltd.14,844$9.1K0.02%2023-12-31
58TWO SIGMA INVESTMENTS, LP14,980$8.9K0.02%2024-03-31
59RENAISSANCE TECHNOLOGIES LLC21,399$8.8K0.03%2024-06-30
60Tower Research Capital LLC (TRC)20,403$8.3K0.03%2024-06-30
61State of Wyoming6,883$7.4K0.01%2023-09-30
62MORGAN STANLEY17,805$7.3K0.02%2025-03-31
63CAPTRUST FINANCIAL ADVISORS17,333$7.1K0.02%2024-06-30
64SUSQUEHANNA INTERNATIONAL GROUP, LLP17,226$7.0K0.02%2024-06-30
65VICTORY CAPITAL MANAGEMENT INC10,437$6.4K0.01%2023-12-31
66ENVESTNET ASSET MANAGEMENT INC14,259$5.8K0.02%2024-06-30
67UBS Group AG9,549$5.7K0.01%2024-03-31
68WEALTH ENHANCEMENT ADVISORY SERVICES, LLC12,767$5.2K0.02%2024-06-30
69MILLENNIUM MANAGEMENT LLC11,784$4.8K0.01%2024-06-30
70Engineers Gate Manager LP11,148$4.6K0.01%2024-06-30
71Pathstone Holdings, LLC10,254$4.2K0.01%2024-06-30
72Royal Bank of Canada6,000$4.0K0.00%2024-09-30
73CAMBRIDGE TRUST CO5,868$3.5K0.00%2024-03-31
74BANK OF AMERICA CORP /DE/6,456$2.6K0.01%2024-06-30
75WHITTIER TRUST CO3,750$1.5K0.00%2024-06-30
76Qube Research & Technologies Ltd3,663$1.5K0.00%2024-06-30
77BDO Wealth Advisors, LLC1,000$1.1K0.00%2023-09-30
78Point72 Asset Management, L.P.746$8580.00%2023-06-30
79Spire Wealth Management1,400$8540.00%2023-12-31
80WELLS FARGO & COMPANY/MN743$4420.00%2024-03-31
81Truvestments Capital LLC687$4090.00%2024-03-31
82Operose Advisors LLC300$3240.00%2023-09-30
83Highlander Capital Management, LLC525$3120.00%2024-03-31
84ADVISOR GROUP HOLDINGS, INC.687$2810.00%2024-06-30
85HARVEST GROUP WEALTH MANAGEMENT, LLC161$1850.00%2023-06-30
86COMERICA BANK351$1440.00%2024-06-30
87JPMORGAN CHASE & CO176$1050.00%2024-12-31
88PNC Financial Services Group, Inc.223$910.00%2024-06-30
89CONCOURSE FINANCIAL GROUP SECURITIES, INC.171$690.00%2024-06-30
90Allworth Financial LP161$620.00%2024-06-30
91PRICE T ROWE ASSOCIATES INC /MD/100,600$410.16%2024-06-30
92Farther Finance Advisors, LLC83$320.00%2024-06-30
93Virtu Financial LLC68,869$280.11%2024-06-30
94MOTCO37$220.00%2024-03-31
95ACADIAN ASSET MANAGEMENT LLC45,833$180.07%2024-06-30
96HRT FINANCIAL LP15,845$90.02%2024-03-31
97FMR LLC15$90.00%2024-03-31
98PICTON MAHONEY ASSET MANAGEMENT16,899$70.02%2024-06-30
99Abound Wealth Management4$50.00%2024-06-30
100BARCLAYS PLC9,110$40.01%2024-06-30
101Cornerstone Planning Group LLC5$20.00%2024-06-30
102SIMPLEX TRADING, LLC3,900$10.00%2024-06-30