THOR

Thoratec Corporation Institutional Ownership

$62.82
*  
0.23
0.37%
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*Delayed - data as of Aug. 31, 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 95.07%
Total Shares Outstanding (millions) 55
Total Value of Holdings (millions) $3,260

Active Positions

Holders Shares
Increased Positions 122 5,477,225
Decreased Positions 80 5,481,054
Held Positions 33 41,128,991
Total Institutional Shares 235 52,087,270

New and Sold Out Positions


Holders Shares
New Positions 52 2,730,693
Sold Out Positions 10 1,514,841

235 Institutional Holders
52,087,270 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)
BLACKROCK INVESTMENT MANAGEMENT, LLC 06/30/2015 451,650 14,211 3.25 28,269
CAPITAL WORLD INVESTORS 06/30/2015 435,000 0 0.00 27,227
D. E. SHAW & CO., INC. 06/30/2015 400,423 149,804 59.77 25,062
AMERIPRISE FINANCIAL INC 06/30/2015 374,924 (22,014) (5.55) 23,466
DECADE CAPITAL MANAGEMENT LLC 06/30/2015 371,332 25,432 7.35 23,242
TEACHERS ADVISORS INC 06/30/2015 317,466 51,207 19.23 19,870
TIAA CREF INVESTMENT MANAGEMENT LLC 06/30/2015 293,843 (1,861) (0.63) 18,392
MACKENZIE FINANCIAL CORP 06/30/2015 260,700 (51,300) (16.44) 16,317
SUSQUEHANNA INTERNATIONAL GROUP, LLP 06/30/2015 248,910 73,584 41.97 15,579
WELLINGTON MANAGEMENT GROUP LLP 06/30/2015 242,665 11,330 4.90 15,188
MCADAMS WRIGHT RAGEN, INC. 09/30/2014 236,945 236,945 New 14,830
MANAGED ACCOUNT ADVISORS LLC 06/30/2015 231,627 9,900 4.47 14,498
SECTOR GAMMA AS 06/30/2015 229,300 (20,200) (8.1) 14,352
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 06/30/2015 228,833 (221,988) (49.24) 14,323
PERCEPTIVE ADVISORS LLC 06/30/2015 226,000 (74,000) (24.67) 14,145

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