Notable Holders of QUANTUM CORPORATION (QTM)
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| PRIVATE CAPITAL MANAGEMENT | 17,061,802 | 6.86% | 13D | |
| Neuberger Berman Group LLC | Common | 15,613,818 | 6.28% | 13F |
| Allianz Asset Management AG | COM NEW | 10,248,322 | 4.12% | 13F |
| Long Focus Capital Management, LLC | COM NEW | 5,415,372 | 2.18% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM DSSG | 5,045,413 | 2.03% | 13F |
| VANGUARD GROUP INC | COM NEW | 5,018,880 | 2.02% | 13F |
| Central Square Management, LLC | COM DSSG | 3,885,364 | 1.56% | 13F |
| B. Riley Securities, Inc. | COM NEW | 3,824,811 | 1.54% | 13F |
| Solas Capital Management, LLC | COM NEW | 3,736,620 | 1.50% | 13F |
| RIMA MANAGEMENT, LLC | COM NEW | 2,550,931 | 1.03% | 13F |
| Roumell Asset Management, LLC | COM NEW | 1,687,553 | 0.68% | 13F |
| DIALECTIC CAPITAL MANAGEMENT, LLC | COM DSSG | 1,558,235 | 0.63% | 13F |
| Pacific Ridge Capital Partners, LLC | COM | 1,438,452 | 0.58% | 13F |
| KING LUTHER CAPITAL MANAGEMENT CORP | COM NEW | 1,384,915 | 0.56% | 13F |
| LionEye Capital Management, LLC | COM DSSG | 1,370,000 | 0.55% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM NEW | 1,002,969 | 0.40% | 13F |
| Herald Investment Management Ltd | COM | 1,000,000 | 0.40% | 13F |
| RUSSELL FRANK CO/ | Common Stocks | 991,572 | 0.40% | 13F |
| Emerald Acquisition Ltd. | Common Stocks | 991,572 | 0.40% | 13F |
| CANNELL J CARLO | COM DSSG | 952,338 | 0.38% | 13F |
| MUNDER CAPITAL MANAGEMENT | COM | 792,011 | 0.32% | 13F |
| WEISS GEORGE A | COM | 630,000 | 0.25% | 13F |
| Kovack Advisors, Inc. | COM NEW | 515,477 | 0.21% | 13F |
| PUTNAM INVESTMENT MANAGEMENT LLC | 470,042 | 0.19% | 13F | |
| BLACKROCK ADVISORS LLC | COM DSSG | 404,405 | 0.16% | 13F |
| ACADIAN ASSET MANAGEMENT LLC | COM NEW | 401,362 | 0.16% | 13F |
| BlackRock Group LTD | COM DSSG | 376,208 | 0.15% | 13F |
| Breithorn Capital Management | COM NEW | 368,167 | 0.15% | 13F |
| MILLENNIUM MANAGEMENT LLC | COM NEW | 350,300 | 0.14% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT INC | COM NEW | 319,800 | 0.13% | 13F |
| JACOBS LEVY EQUITY MANAGEMENT INC | COM NEW | 249,355 | 0.10% | 13F |
| Blue Clay Capital Management, LLC | COM DSSG | 238,500 | 0.10% | 13F |
| LPL Financial LLC | COM NEW | 170,642 | 0.07% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM DSSG | 146,730 | 0.06% | 13F |
| SPARK LP /DE | COM DSSG | 129,000 | 0.05% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 121,423 | 0.05% | 13F |
| MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC | COM DSSG | 116,342 | 0.05% | 13F |
| Adirondack Research & Management Inc. | COM NEW | 90,590 | 0.04% | 13F |
| Manulife Asset Management (North America) Ltd | COM DSSG | 87,746 | 0.04% | 13F |
| BlackRock Fund Advisors | COM DSSG | 69,337 | 0.03% | 13F |
| Squarepoint Ops LLC | COM NEW | 64,273 | 0.03% | 13F |
| MARATHON CAPITAL MANAGEMENT | COM NEW | 60,000 | 0.02% | 13F |
| FIRST MIDWEST BANK TRUST DIVISION | COM NEW | 58,549 | 0.02% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM NEW | 57,798 | 0.02% | 13F |
| Eidelman Virant Capital | COM NEW | 45,000 | 0.02% | 13F |
| RODNEY SQUARE MANAGEMENT CORP | COMMON | 34,810 | 0.01% | 13F |
| Virtu Financial LLC | COM NEW | 34,751 | 0.01% | 13F |
| Zebra Capital Management, LLC | COM | 34,227 | 0.01% | 13F |
| PACIFIC CAPITAL BANCORP /CA/ | COM DSSG | 32,000 | 0.01% | 13F |
| TWO SIGMA INVESTMENTS LLC | COM NEW | 28,306 | 0.01% | 13F |
| Russell Investments Group, Ltd. | Common Stock | 26,036 | 0.01% | 13F |
| HighTower Advisors, LLC | COM NEW | 26,023 | 0.01% | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | COM NEW | 25,474 | 0.01% | 13F |

