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Thoratec Corp. (THOR)

At 12:29PM ET: 30.55   0.76 (2.55%)

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Major Holders Get Major Holders for:
BREAKDOWN % of Shares Held by All Insider and 5% Owners: 7% % of Shares Held by Institutional & Mutual Fund Owners: 107% % of Float Held by Institutional & Mutual Fund Owners: 115% Number of Institutions Holding Shares: 202 MAJOR DIRECT HOLDERS (FORMS 3 & 4) Holder Shares Reported KELLOGG PETER R 1,001,499 13-Nov-08 HILL J DONALD 11,250 23-Feb-09 BURBACH GERHARD F 142,025 27-Feb-09 COLE J DANIEL 61,250 6-Oct-09 SMITH DAVID V 54,161 16-Mar-09
TOP INSTITUTIONAL HOLDERS Holder Shares % Out Value* Reported Capital World Investors 5,349,500 9.41 $161,929,365 30-Sep-09 Barclays Global Investors UK Holdings Ltd 3,830,458 6.74 $115,947,963 30-Sep-09 EAGLE ASSET MANAGEMENT, INC. 2,297,445 4.04 $69,543,660 30-Sep-09 VANGUARD GROUP, INC. (THE) 2,249,653 3.96 $68,096,996 30-Sep-09 STATE STREET CORPORATION 1,645,625 2.89 $49,813,068 30-Sep-09 TCW GROUP, INC. (THE) 1,615,674 2.84 $48,906,451 30-Sep-09 ALGER (FRED) MANAGEMENT INC 1,582,455 2.78 $47,900,912 30-Sep-09 Bank of New York Mellon Corporation 1,295,663 2.28 $39,219,719 30-Sep-09 COLUMBUS CIRCLE INVESTORS 1,209,785 2.13 $36,620,191 30-Sep-09 FMR LLC 8,391,176 14.76 $254,000,897 30-Sep-09 TOP MUTUAL FUND HOLDERS Holder Shares % Out Value* Reported FIDELITY GROWTH COMPANY FUND 4,832,265 8.50 $146,272,661 30-Sep-09 SMALLCAP WORLD FUND 3,076,500 5.41 $82,388,670 30-Jun-09 FIDELITY MAGELLAN FUND INC 1,500,000 2.64 $45,405,000 30-Sep-09 ISHARES RUSSELL 2000 INDEX FD 829,893 1.46 $25,120,861 30-Sep-09 CALAMOS GROWTH FUND 800,000 1.41 $24,216,000 30-Sep-09 VANGUARD SMALL-CAP INDEX FUND 688,317 1.21 $18,433,129 30-Jun-09 FIDELITY OTC PORTFOLIO 639,724 1.12 $19,364,445 30-Sep-09 VANGUARD TOTAL STOCK MARKET INDEX FUND 525,807 .92 $14,081,111 30-Jun-09 FIDELITY CONTRAFUND INC 502,620 .88 $15,214,307 30-Sep-09 FIDELITY FUND 462,800 .81 $14,008,956 30-Sep-09 View Transactions for Insiders & Institutional Holders * Value shown is computed using the security's price on the report date given.
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