THOR

Thoratec Corporation Institutional Ownership

$32.61
*  
1.06
3.36%
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*Delayed - data as of Dec. 18, 2014  -  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 93.83%
Total Shares Outstanding (millions) 55
Total Value of Holdings (millions) $1,628

Active Positions

Holders Shares
Increased Positions 107 15,083,488
Decreased Positions 123 13,688,972
Held Positions 27 22,831,435
Total Institutional Shares 257 51,603,895

New and Sold Out Positions


Holders Shares
New Positions 41 5,061,934
Sold Out Positions 58 7,136,971

257 Institutional Holders
51,603,895 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)
PERCEPTIVE ADVISORS LLC 09/30/2014 147,501 147,501 New 4,654
NEW YORK STATE COMMON RETIREMENT FUND 09/30/2014 141,174 (16,900) (10.69) 4,454
GHOST TREE CAPITAL, LLC 09/30/2014 140,000 140,000 New 4,417
RHENMAN & PARTNERS ASSET MANAGEMENT AB 09/30/2014 133,800 66,300 98.22 4,221
RENAISSANCE TECHNOLOGIES LLC 09/30/2014 132,939 (791,000) (85.61) 4,194
ALLIANCEBERNSTEIN L.P. 09/30/2014 129,573 (60) (0.05) 4,088
CONTINENTAL ADVISORS LLC 09/30/2014 116,004 29,504 34.11 3,660
AMICI CAPITAL, LLC 09/30/2014 115,000 115,000 New 3,628
D. E. SHAW & CO., INC. 09/30/2014 113,463 (25,527) (18.37) 3,580
TEKLA CAPITAL MANAGEMENT LLC 09/30/2014 113,300 113,300 New 3,575
MANUFACTURERS LIFE INSURANCE COMPANY, THE 09/30/2014 109,476 2,440 2.28 3,454
ELK CREEK PARTNERS, LLC 09/30/2014 106,731 16,135 17.81 3,367
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 09/30/2014 104,817 1,095 1.06 3,307
FMR LLC 09/30/2014 103,100 103,100 New 3,253
WEISS MULTI-STRATEGY ADVISERS LLC 09/30/2014 103,000 26,080 33.91 3,250

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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