Notable Holders of Thoratec Corp (THOR)
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Expand Research on THOR
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| CADIAN CAPITAL MANAGEMENT, LLC | COM NEW | 3,754,355 | 6.26% | 13F |
| VANGUARD GROUP INC | COM NEW | 2,859,022 | 4.77% | 13F |
| ORACLE INVESTMENT MANAGEMENT INC | COM NEW | 2,815,912 | 4.70% | 13F |
| Passport Capital, LLC | COM | 2,568,200 | 4.29% | 13F |
| JPMORGAN CHASE & CO | COMMON | 2,201,052 | 3.67% | 13F |
| Maverick Capital | COM NEW | 1,661,138 | 2.77% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM NEW | 1,555,906 | 2.60% | 13F |
| ROYCE & ASSOCIATES LLC | COM NEW | 1,525,000 | 2.54% | 13F |
| BlackRock Fund Advisors | COM NEW | 1,425,504 | 2.38% | 13F |
| FRONTIER CAPITAL MANAGEMENT CO LLC | COM | 1,161,550 | 1.94% | 13F |
| RAINIER INVESTMENT MANAGEMENT INC/ | COM NEW | 1,028,210 | 1.72% | 13F |
| ALGER FRED MANAGEMENT INC | COMMON | 939,995 | 1.57% | 13F |
| FRANKLIN RESOURCES INC | 837,760 | 1.40% | 13F | |
| WELLS FARGO & CO/MN | EQUITY | 812,725 | 1.36% | 13F |
| EXPO CAPITAL MANAGEMENT LLC | COM | 775,000 | 1.29% | 13F |
| PALISADE CAPITAL MANAGEMENT LLC/NJ | COM NEW | 766,112 | 1.28% | 13F |
| THRIVENT FINANCIAL FOR LUTHERANS | COM NEW | 718,600 | 1.20% | 13F |
| SECTORAL ASSET MANAGEMENT INC | COMMON | 711,014 | 1.19% | 13F |
| CS MCKEE LP | COMMON | 623,620 | 1.04% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM NEW | 614,215 | 1.02% | 13F |
| US BANCORP \DE\ | COMMON | 607,900 | 1.01% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 600,038 | 1.00% | 13F |
| Cortina Asset Management, LLC | COM | 553,574 | 0.92% | 13F |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | COM NEW | 541,820 | 0.90% | 13F |
| DEUTSCHE BANK AG\ | COM NEW | 482,768 | 0.81% | 13F |
| Alyeska Investment Group, L.P. | COM NEW | 479,209 | 0.80% | 13F |
| NORTHERN TRUST CORP | COM | 470,159 | 0.78% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 464,752 | 0.78% | 13F |
| LORD ABBETT & CO LLC | COM | 420,257 | 0.70% | 13F |
| CASTLEROCK ASSET MANAGEMENT INC | COM NEW | 417,806 | 0.70% | 13F |
| Bluefin Investment Management LLC | COMMON | 385,200 | 0.64% | 13F |
| BLACKROCK ADVISORS LLC | COM NEW | 364,312 | 0.61% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM NEW | 353,741 | 0.59% | 13F |
| Visium Asset Management, LP | COMMON STOCK | 351,230 | 0.59% | 13F |
| MANNING & NAPIER ADVISORS LLC | COM NEW | 347,980 | 0.58% | 13F |
| TEACHERS ADVISORS INC | COM NEW | 344,328 | 0.57% | 13F |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | COMMON STOCK | 333,425 | 0.56% | 13F |
| S Squared Technology, LLC | COM | 327,000 | 0.55% | 13F |
| Invesco Ltd. | COMMON | 319,680 | 0.53% | 13F |
| KING INVESTMENT ADVISORS INC/TX | COMMON | 314,350 | 0.52% | 13F |
| UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | EQTY US OTC | 313,923 | 0.52% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM NEW | 270,151 | 0.45% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | COMMON STOCK | 241,774 | 0.40% | 13F |
| ARONSON & JOHNSON & ORTIZ, LP | COM | 236,400 | 0.39% | 13F |
| GUGGENHEIM CAPITAL LLC | COM NEW | 206,915 | 0.35% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM NEW | 204,108 | 0.34% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 197,592 | 0.33% | 13F |
| BMO FINANCIAL CORP | COM NEW | 189,155 | 0.32% | 13F |
| Artisan Partners Limited Partnership | COM NEW | 189,000 | 0.32% | 13F |
| MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC | COM | 188,116 | 0.31% | 13F |
| DIAMONDBACK CAPITAL MANAGEMENT, LLC | COM NEW | 181,557 | 0.30% | 13F |
| Stephens Investment Management Group LLC | COM NEW | 172,068 | 0.29% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * THORATEC CORP COM NEW | 169,968 | 0.28% | 13F |
| MANAGED ACCOUNT ADVISORS LLC | 159,212 | 0.27% | 13F | |
| BlackRock Investment Management, LLC | COM NEW | 156,619 | 0.26% | 13F |
| Perella Weinberg Partners Capital Management LP | COM NEW | 148,574 | 0.25% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM NEW | 143,662 | 0.24% | 13F |
| TOCQUEVILLE ASSET MANAGEMENT LP | COM | 135,550 | 0.23% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 130,432 | 0.22% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 129,502 | 0.22% | 13F |
| HSBC HOLDINGS PLC | 122,574 | 0.20% | 13F | |
| BAIRD ROBERT W & CO INC /WI/ | COMMON | 122,113 | 0.20% | 13F |
| UBS AG | COM NEW | 121,520 | 0.20% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 120,587 | 0.20% | 13F |
| STATE OF WISCONSIN INVESTMENT BOARD | COM NEW | 110,571 | 0.18% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM NEW | 106,735 | 0.18% | 13F |
| Citadel | CMN | 106,721 | 0.18% | 13F |
| CITIGROUP INC (CALL) | COM NEW | 101,600 | 0.17% | 13F |
| LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC | COM | 98,235 | 0.16% | 13F |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | COM NEW | 98,200 | 0.16% | 13F |
| CAXTON ASSOCIATES LP | COM NEW | 95,802 | 0.16% | 13F |
| Manulife Asset Management (North America) Ltd | COM NEW | 95,062 | 0.16% | 13F |
| FIRST TRUST ADVISORS LP | COM NEW | 94,476 | 0.16% | 13F |
| DENVER INVESTMENT ADVISORS LLC | COMMON | 91,182 | 0.15% | 13F |
| AH Lisanti Capital Growth, LLC | COM NEW | 80,500 | 0.13% | 13F |
| CREDIT SUISSE AG/ | COM NEW | 78,623 | 0.13% | 13F |
| ROYAL BANK OF CANADA \ | COM NEW | 69,394 | 0.12% | 13F |
| Timber Hill LLC (PUT) | PUT | 69,000 | 0.12% | 13F |
| CNH PARTNERS LLC | COM NEW | 68,538 | 0.11% | 13F |
| MORGAN STANLEY | COM | 67,746 | 0.11% | 13F |
| BlackRock Group LTD | COM NEW | 65,909 | 0.11% | 13F |
| Employees Retirement System of Texas | COM NEW | 65,480 | 0.11% | 13F |
| CHICAGO EQUITY PARTNERS LLC | COM NEW | 65,345 | 0.11% | 13F |
| MCKINLEY CAPITAL MANAGEMENT LLC /DELAWARE | COM | 64,102 | 0.11% | 13F |
| KOPP INVESTMENT ADVISORS LLC | COM NEW | 63,217 | 0.11% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 55,687 | 0.09% | 13F |
| COMERICA BANK | COM | 52,222 | 0.09% | 13F |
| TFS CAPITAL LLC | COM NEW | 47,209 | 0.08% | 13F |
| MILLENNIUM MANAGEMENT LLC | COM NEW | 46,293 | 0.08% | 13F |
| BARCLAYS PLC (CALL) | OPT | 43,800 | 0.07% | 13F |
| ALGERT COLDIRON INVESTORS LLC | COM NEW | 42,200 | 0.07% | 13F |
| BANK OF OKLAHOMA NATIONAL ASSOCIATION / | COM NEW | 41,690 | 0.07% | 13F |
| SAC Capital | COMMON | 41,581 | 0.07% | 13F |
| Bay Hill Capital Management, LLC (PUT) | COM NEW | 40,500 | 0.07% | 13F |
| TWIN CAPITAL MANAGEMENT INC | COM | 39,480 | 0.07% | 13F |
| Wellington | COM NEW | 35,930 | 0.06% | 13F |
| BANK OF AMERICA CORP /DE/ | 34,993 | 0.06% | 13F | |
| JEFFERIES GROUP INC /DE/ | COM NEW | 34,934 | 0.06% | 13F |
| FIFTH THIRD BANCORP | COM NEW | 33,863 | 0.06% | 13F |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 33,727 | 0.06% | 13F | |
| MindShare Capital Management, LLC | common | 32,655 | 0.05% | 13F |
| DEERE & CO | COM NEW | 32,120 | 0.05% | 13F |
| LOEWS CORP | COMMON | 32,000 | 0.05% | 13F |
| PAX WORLD MANAGEMENT LLC | COM NEW | 31,814 | 0.05% | 13F |
| JANUS CAPITAL MANAGEMENT LLC | COM | 31,100 | 0.05% | 13F |
| STATE TREASURER STATE OF MICHIGAN | COM | 31,100 | 0.05% | 13F |
| HIGHLAND CAPITAL MANAGEMENT LP | COM NEW | 30,000 | 0.05% | 13F |
| IBM Retirement Fund | 885175307 | 29,466 | 0.05% | 13F |
| BNP Paribas Investment Partners S.A. | CS | 29,462 | 0.05% | 13F |
| JACOBS LEVY EQUITY MANAGEMENT INC | COM NEW | 29,300 | 0.05% | 13F |
| CONTINENTAL ADVISORS LLC | COMMON STOCK | 27,900 | 0.05% | 13F |
| Liberty Mutual Group Asset Management Inc. | COM NEW | 24,604 | 0.04% | 13F |
| Spot Trading L.L.C (CALL) | COM NEW | 22,800 | 0.04% | 13F |
| MASON STREET ADVISORS LLC | COM NEW | 22,700 | 0.04% | 13F |
| GAGNON SECURITIES LLC | COM | 21,788 | 0.04% | 13F |
| BlackRock Inc. | COM NEW | 20,597 | 0.03% | 13F |
| TWO SIGMA INVESTMENTS LLC | COM NEW | 18,848 | 0.03% | 13F |
| EMERALD ADVISERS INC/PA | COM | 16,762 | 0.03% | 13F |
| Gotham Asset Management, LLC | COM NEW | 15,478 | 0.03% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM NEW | 15,400 | 0.03% | 13F |
| 1st Global Advisors, Inc. | COM NEW | 15,194 | 0.03% | 13F |
| FIDUCIARY TRUST CO | COMMON | 13,550 | 0.02% | 13F |
| KBC Group NV | COM NEW | 13,503 | 0.02% | 13F |
| PEAK6 Investments, L.P. (PUT) | COM NEW | 13,000 | 0.02% | 13F |
| GSA CAPITAL PARTNERS LLP | COM NEW | 12,965 | 0.02% | 13F |
| NOMURA HOLDINGS INC | CMN | 12,723 | 0.02% | 13F |
| KNIGHT CAPITAL GROUP, INC. | COM NEW | 12,039 | 0.02% | 13F |
| World Asset Management Inc | COM | 11,673 | 0.02% | 13F |
| Wellington Shields & Co., LLC | COM | 11,437 | 0.02% | 13F |
| RUSSELL FRANK CO/ | COMMON STOCKS | 10,500 | 0.02% | 13F |
| BLUESTEIN R H & CO | COM | 9,000 | 0.02% | 13F |
| Placemark Investments, Inc. | COM NEW | 8,950 | 0.01% | 13F |
| ALLIANZ GLOBAL INVESTORS OF AMERICA L P | COM NEW | 7,600 | 0.01% | 13F |
| ALLSTATE CORP | COMMON | 6,860 | 0.01% | 13F |
| ELLINGTON MANAGEMENT GROUP LLC | COM NEW | 6,400 | 0.01% | 13F |
