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 5.36M $224.66M March 31, 2015
Vanguard 3.55M $148.56M March 31, 2015
Damian Sousa 2.87M $127.71M June 30, 2015
BlackRock Fund Advisors 2.73M $114.41M March 31, 2015
Cadian Capital Management 2.65M $99.41M March 31, 2013
Palo Alto Investors 2.54M $106.33M March 31, 2015
Balyasny Asset Management 2.09M $55.75M Sept. 30, 2014
Name Passport Capital 2.01M $67.50M Dec. 31, 2011
STATE STREET CORPORATION 1.89M $79.29M March 31, 2015
CITADEL ADVISORS 1.83M $68.67M March 31, 2013
BlackRock Advisors 1.78M $74.67M March 31, 2015
Wells Fargo & Company 1.61M $56.26M June 30, 2014
BlackRock Institutional Trust Company, N.A. 1.57M $65.91M March 31, 2015
Millennium Management 1.55M $64.93M March 31, 2015
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 $51.63M March 31, 2015
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 1.16M $43.24M Sept. 30, 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
Maverick Capital June 30, 2011 1.66M $54.52M
Sectoral Asset Management March 31, 2011 1.75M $45.45M
FRED ALGER MANAGEMENT Dec. 31, 2010 1.39M $39.43M