THOR

Thoratec Corporation Institutional Ownership

$39.88
*  
0.37
0.92%
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*Delayed - data as of Mar. 3, 2015  -  Find a broker to begin trading THOR now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 94.74%
Total Shares Outstanding (millions) 54
Total Value of Holdings (millions) $2,087

Active Positions

Holders Shares
Increased Positions 74 8,078,175
Decreased Positions 124 7,250,762
Held Positions 30 35,935,114
Total Institutional Shares 228 51,264,051

New and Sold Out Positions


Holders Shares
New Positions 29 3,782,090
Sold Out Positions 35 3,496,099

29 New Institutional Holders
3,782,090 New Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
ANTIPODEAN ADVISORS LLC 12/31/2014 658,000 658,000 New 26,794
IAT REINSURANCE CO LTD. 12/31/2014 605,318 605,318 New 24,649
ALYESKA INVESTMENT GROUP, L.P. 12/31/2014 524,014 524,014 New 21,338
PARTNER FUND MANAGEMENT, L.P. 12/31/2014 466,911 466,911 New 19,013
PALO ALTO INVESTORS, LLC 12/31/2014 268,861 268,861 New 10,948
BAIRD ROBERT W & CO INC /WI/ 12/31/2014 267,713 267,713 New 10,901
MCADAMS WRIGHT RAGEN, INC. 09/30/2014 236,945 236,945 New 9,648
OXFORD ASSET MANAGEMENT 12/31/2014 230,816 230,816 New 9,399
ACCIPITER CAPITAL MANAGEMENT, LLC 09/30/2014 200,000 200,000 New 8,144
TWO SIGMA ADVISERS, LLC 12/31/2014 112,861 112,861 New 4,596
ING GROEP NV 12/31/2014 60,000 60,000 New 2,443
JEFFERIES GROUP LLC 12/31/2014 47,852 47,852 New 1,949
MARSHALL WACE LLP 12/31/2014 26,122 26,122 New 1,064
VIDENT INVESTMENT ADVISORY, LLC 12/31/2014 13,886 13,886 New 565
TFS CAPITAL LLC 12/31/2014 11,237 11,237 New 458

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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