Thoratec Corporation Institutional Ownership

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Exchange: NASDAQ
Industry: Health Care
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary

Institutional Ownership 95.44%
Total Shares Outstanding (millions) 55
Total Value of Holdings (millions) $3,313

Active Positions

Holders Shares
Increased Positions 90 6,318,051
Decreased Positions 97 6,519,807
Held Positions 33 39,387,286
Total Institutional Shares 220 52,225,144

New and Sold Out Positions

Holders Shares
New Positions 29 1,065,012
Sold Out Positions 28 2,661,820

220 Institutional Holders
52,225,144 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)
SEVEN EIGHT CAPITAL, LLC 03/31/2015 0 (100) Sold Out
SG AMERICAS SECURITIES, LLC 03/31/2015 0 (11,117) Sold Out
SPRINGBOK CAPITAL MANAGEMENT, LLC 03/31/2015 0 (1,200) Sold Out
STATE OF WISCONSIN INVESTMENT BOARD 03/31/2015 0 (100,000) Sold Out
TFS CAPITAL LLC 03/31/2015 0 (11,237) Sold Out
TOCQUEVILLE ASSET MANAGEMENT L.P. 06/30/2015 0 (17,500) Sold Out
TWO SIGMA ADVISERS, LLC 03/31/2015 0 (112,861) Sold Out
WEDGE CAPITAL MANAGEMENT L L P/NC 03/31/2015 0 (11,175) Sold Out
WFG ADVISORS, LP 03/31/2015 0 (300) Sold Out
WOLVERINE ASSET MANAGEMENT LLC 03/31/2015 0 (960) Sold Out

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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