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
T. Rowe Price Associates 6.18M $200.71M Dec. 31, 2014
Vanguard 3.46M $112.41M Dec. 31, 2014
BlackRock Fund Advisors 2.76M $89.60M Dec. 31, 2014
Cadian Capital Management 2.65M $99.41M March 31, 2013
Damian Sousa 2.27M $95.29M March 31, 2015
Balyasny Asset Management 2.09M $55.75M Sept. 30, 2014
STATE STREET CORPORATION 1.97M $64.01M Dec. 31, 2014
Millennium Management 1.91M $62.15M Dec. 31, 2014
CITADEL ADVISORS 1.83M $68.67M March 31, 2013
BlackRock Advisors 1.74M $56.40M Dec. 31, 2014
Wells Fargo & Company 1.61M $56.26M June 30, 2014
BlackRock Institutional Trust Company, N.A. 1.58M $51.17M Dec. 31, 2014
Royce & Associates 1.44M $48.37M June 30, 2012
Century Capital Management 1.39M $52.17M Dec. 31, 2012
JPMORGAN CHASE & CO 1.36M $45.50M June 30, 2012
Inves 1.25M $40.63M Dec. 31, 2014
Oracle Investment Management 1.23M $40.01M Dec. 31, 2014
Renaissance Technologies 1.23M $45.72M Sept. 30, 2013
Manning & Napier Advisors 1.22M $51.10M March 31, 2015
Perkins Investment Management 1.19M $41.49M June 30, 2014
Thrivent Financial for Lutherans 1.12M $41.01M Dec. 31, 2013
Name Passport Capital 1.12M $37.63M March 31, 2012
ING INVESTMENT MANAGEMENT 1.11M $39.74M March 31, 2014

Who sold Thoratec Corporation?

Fund Name Date Sold Number of Shares Sold Share Valuation
Frontier Capital Management Sept. 30, 2011 1.16M $37.91M
Maverick Capital June 30, 2011 1.66M $54.52M
Sectoral Asset Management March 31, 2011 1.75M $45.45M
FRED ALGER MANAGEMENT March 31, 2011 1.15M $29.86M
Franklin Resources March 31, 2011 1.15M $29.75M