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Notable Holders of Thoratec Corp (THOR)

  |   Expand Research on THOR   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
Maverick Capital, Ltd. COM NEW 1,661,138 2.92% 13F
CHARTWELL INVESTMENT PARTNERS/PA COM 665,300 1.17% 13F
EXPO CAPITAL MANAGEMENT LLC COM 575,000 1.01% 13F
BOSTON TRUST & INVESTMENT MANAGEMENT CO 519,373 0.91% 13F
ING INVESTMENT MANAGEMENT CO COM NEW 507,777 0.89% 13F
BMO FINANCIAL CORP COM NEW 245,782 0.43% 13F
McAdams Wright Ragen, Inc. COM 236,945 0.42% 13F
MANAGED ACCOUNT ADVISORS LLC COM NEW 231,627 0.41% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM NEW 190,318 0.34% 13F
BAIRD ROBERT W & CO INC /WI/ COMMON 132,902 0.23% 13F
PUTNAM INVESTMENT MANAGEMENT LLC 75,113 0.13% 13F
UBS AG COM NEW 73,853 0.13% 13F
KOPP FUNDS INC COM NEW 55,583 0.10% 13F
Man Investments LTD COM NEW 48,370 0.09% 13F
Manulife Asset Management (North America) Ltd COM NEW 34,740 0.06% 13F
NORTHERN TRUST CO OF CONNECTICUT COM NEW 32,386 0.06% 13F
SpiderRock Trading LLC COM NEW 7,000 0.01% 13F