Who owns Thoratec Corporation?

Key details on Thoratec Corporation (Ticker: THOR)

Who owns Thoratec Corporation?

Is THOR a good stock to own? Find out who bought Thoratec Corporation, who sold Thoratec Corporation (THOR) stock, and who holds a large position in Thoratec Corporation.

Fund Name Number of Shares Share Valuation As Of
Damian Sousa 3.97M $145.38M Dec. 31, 2013
Vanguard 3.84M $140.65M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 3.45M $126.42M Dec. 31, 2013
BlackRock Fund Advisors 2.71M $99.25M Dec. 31, 2013
Cadian Capital Management 2.65M $99.41M March 31, 2013
Oracle Investment Management 2.07M $75.86M Dec. 31, 2013
STATE STREET CORPORATION 2.06M $75.37M Dec. 31, 2013
T. Rowe Price Associates 1.95M $71.55M Dec. 31, 2013
CITADEL ADVISORS 1.83M $68.67M March 31, 2013
Inves 1.58M $57.91M Dec. 31, 2013
Wells Fargo & Company 1.39M $51.02M Dec. 31, 2013
Century Capital Management 1.39M $52.17M Dec. 31, 2012
JPMORGAN CHASE & CO 1.36M $45.50M June 30, 2012
Renaissance Technologies 1.23M $45.72M Sept. 30, 2013
Thrivent Financial for Lutherans 1.12M $41.01M Dec. 31, 2013
Name Passport Capital 1.12M $37.63M March 31, 2012
Sectoral Asset Management 1.10M $37.02M March 31, 2012
NORTHERN TRUST 1.03M $37.67M Dec. 31, 2013
Rainier Investment Management 1.01M $34.00M Dec. 31, 2011
Balyasny Asset Management 1.01M $31.65M June 30, 2013
Third Point 1000000 $33.58M June 30, 2012
ING INVESTMENT MANAGEMENT 995083 $36.42M Dec. 31, 2013
Franklin Resources 991320 $34.30M Sept. 30, 2012
BTIM 982209 $35.17M March 31, 2014
Royce & Associates 913900 $28.61M June 30, 2013
Deerfield Management Company 891000 $33.23M Sept. 30, 2013
Palisade Capital Management 866874 $31.73M Dec. 31, 2013
DIMENSIONAL FUND ADVISORS 819579 $30.00M Dec. 31, 2013
Barclays 812947 $27.44M March 31, 2012
Millennium Management 802523 $29.93M Sept. 30, 2013
Manning & Napier Advisors 763890 $27.96M Dec. 31, 2013

Who sold Thoratec Corporation?

Fund Name Date Sold Number of Shares Sold Share Valuation
Frontier Capital Management Sept. 30, 2011 1.16M $37.91M
FRED ALGER MANAGEMENT Sept. 30, 2011 939995 $30.68M
Expo Capital Management Sept. 30, 2011 775000 $25.30M
Maverick Capital June 30, 2011 1.66M $54.52M
CALAMOS ADVISORS Dec. 31, 2010 775000 $21.95M
Aster Investment Management June 30, 2005 906528 $13.91M