Quantum Corp Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| ALYESKA INVESTMENT GROUP, L.P. | 08/14/2026 | 2.65 M | $29.19 M | 100.00% | 12.07% |
| TWO SEAS CAPITAL LP | 08/12/2026 | 2.49 M | $27.37 M | 100.00% | 11.32% |
| OAKTREE CAPITAL MANAGEMENT LP | 08/14/2026 | 2.01 M | $22.13 M | 100.00% | 9.15% |
| NEUBERGER BERMAN GROUP LLC | 08/13/2026 | 1.16 M | $12.80 M | 100.00% | 5.29% |
| ASHFORD CAPITAL MANAGEMENT INC | 08/21/2026 | 1.04 M | $10.55 M | 100.00% | 4.73% |
| PORTOLAN CAPITAL MANAGEMENT, LLC | 08/14/2026 | 1.02 M | $11.22 M | 100.00% | 4.64% |
| MARSHALL WACE, LLP | 08/13/2026 | 713.08 K | $7.84 M | 1,800.11% | 3.24% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 605.54 K | $6.66 M | 12.29% | 2.75% |
| MANATUCK HILL PARTNERS, LLC | 08/14/2026 | 350.00 K | $3.85 M | 100.00% | 1.59% |
| BLACKROCK, INC. | 08/07/2026 | 273.03 K | $3.00 M | 25.51% | 1.24% |
| CINCTIVE CAPITAL MANAGEMENT LP | 08/14/2026 | 182.77 K | $2.01 M | 100.00% | 0.83% |
| JANE STREET GROUP, LLC | 08/14/2026 | 170.60 K | $1.88 M | 100.00% | 0.78% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 170.13 K | $1.87 M | 730.51% | 0.77% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 164.60 K | $1.81 M | 3.41% | 0.75% |
| RENAISSANCE TECHNOLOGIES LLC | 08/13/2026 | 154.52 K | $1.70 M | 100.00% | 0.70% |
| SONA ASSET MANAGEMENT (US) LLC | 08/14/2026 | 150.00 K | $1.65 M | 114.00% | 0.68% |
| WALLEYE CAPITAL LLC | 08/03/2026 | 120.04 K | $1.32 M | 100.00% | 0.55% |
| CITADEL ADVISORS LLC | 09/02/2026 | 116.20 K | $1.28 M | 100.00% | 0.53% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 104.00 K | $1.14 M | 100.00% | 0.47% |
| RAYMOND JAMES FINANCIAL INC | 08/14/2026 | 103.84 K | $1.14 M | 100.00% | 0.47% |
| SONA ASSET MANAGEMENT (US) LLC | 08/14/2026 | 100.10 K | $1.10 M | 100.00% | 0.46% |
| CENTIVA CAPITAL, LP | 08/13/2026 | 100.00 K | $1.10 M | 100.00% | 0.45% |
| KKM FINANCIAL LLC | 08/14/2026 | 90.27 K | $960.52 K | 100.00% | 0.41% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 89.13 K | $980.38 K | 11.04% | 0.41% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 80.98 K | $890.75 K | 100.00% | 0.37% |
| STATE STREET CORP | 08/07/2026 | 75.91 K | $835.05 K | 4.26% | 0.35% |
| CYGNUS CAPITAL ADVISORS, LLC | 09/03/2026 | 74.32 K | $818.00 K | -40.10% | 0.34% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 69.78 K | $767.53 K | 100.00% | 0.32% |
| MAN GROUP PLC | 08/14/2026 | 68.59 K | $754.52 K | 100.00% | 0.31% |
| EAM INVESTORS, LLC | 08/13/2026 | 64.86 K | $713.43 K | 100.00% | 0.30% |
| UBS GROUP AG | 08/13/2026 | 46.11 K | $507.17 K | -53.46% | 0.21% |
| SEI INVESTMENTS CO | 08/14/2026 | 38.74 K | $426.15 K | 100.00% | 0.18% |
| JANE STREET GROUP, LLC | 08/14/2026 | 37.90 K | $416.90 K | 100.00% | 0.17% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 08/14/2026 | 34.60 K | $380.61 K | 100.00% | 0.16% |
| SQUAREPOINT OPS LLC | 08/14/2026 | 33.82 K | $371.99 K | 100.00% | 0.15% |
| NORTHERN TRUST CORP | 08/13/2026 | 33.22 K | $365.42 K | 15.50% | 0.15% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 26.30 K | $289.30 K | 100.00% | 0.12% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 08/14/2026 | 25.07 K | $276.00 K | 14.99% | 0.11% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 21.76 K | $239.31 K | 100.00% | 0.10% |
| CITADEL ADVISORS LLC | 09/02/2026 | 20.60 K | $226.60 K | 100.00% | 0.09% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 19.15 K | $210.68 K | 100.00% | 0.09% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 08/14/2026 | 16.24 K | $178.64 K | 0.00% | 0.07% |
| MORGAN STANLEY | 08/13/2026 | 15.49 K | $170.41 K | 2.06% | 0.07% |
| CITIGROUP INC | 08/03/2026 | 14.43 K | $158.69 K | 100.00% | 0.07% |
| KOVACK ADVISORS, INC. | 07/29/2026 | 13.43 K | $146.79 K | 7.61% | 0.06% |
| SCHONFELD STRATEGIC ADVISORS LLC | 08/14/2026 | 12.06 K | $132.61 K | 100.00% | 0.05% |
| WELLS FARGO & COMPANY/MN | 08/14/2026 | 11.30 K | $124.30 K | 173.94% | 0.05% |
| FLAGSHIP HARBOR ADVISORS, LLC | 07/22/2026 | 11.00 K | $121.04 K | -35.97% | 0.05% |
| INVESCO LTD. | 08/14/2026 | 10.84 K | $119.23 K | 100.00% | 0.05% |
| TUDOR INVESTMENT CORP ET AL | 08/14/2026 | 10.40 K | $114.40 K | 100.00% | 0.05% |
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Quantum Corp institutional Ownership - FAQ's
During the previous two years, 89 institutional investors and hedge funds held shares of Quantum Corp. The most heavily invested institutionals were:
Alyeska Investment Group, L.P.: 2.65 M
Two Seas Capital LP: 2.49 M
OAKTREE CAPITAL MANAGEMENT LP: 2.01 M
Neuberger Berman Group LLC: 1.16 M
ASHFORD CAPITAL MANAGEMENT INC: 1.04 M
Portolan Capital Management, LLC: 1.02 M
65.73% of Quantum Corp stock is owned by institutional investors.
Institutional investors have bought a total of 20.62 M shares in the last 24 months. This purchase volume represents approximately $110.94 M in transactions.