TESARO, Inc. Institutional Ownership

TSRO 
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0.19
0.52%
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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 93.08%
Total Shares Outstanding (millions) 36
Total Value of Holdings (millions) $1,243

Active Positions

Holders Shares
Increased Positions 54 3,772,193
Decreased Positions 43 2,176,339
Held Positions 23 27,652,090
Total Institutional Shares 120 33,600,622

New and Sold Out Positions


Holders Shares
New Positions 21 1,925,965
Sold Out Positions 15 1,210,808

15 Sold Out Institutional Holders
1,210,808 Sold Out 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)
A.R.T. ADVISORS, LLC 09/30/2014 0 (20,439) Sold Out
ADAGE CAPITAL PARTNERS GP LLC 09/30/2014 0 (300,000) Sold Out
AIRAIN LTD 09/30/2014 0 (14,832) Sold Out
APEX CAPITAL, LLC 09/30/2014 0 (340,400) Sold Out
BANK OF MONTREAL /CAN/ 09/30/2014 0 (360) Sold Out
EAM INVESTORS, LLC 09/30/2014 0 (43,184) Sold Out
IGUANA HEALTHCARE MANAGEMENT, LLC 09/30/2014 0 (50,000) Sold Out
INVESCO LTD. 09/30/2014 0 (196,497) Sold Out
JBF CAPITAL, INC. 09/30/2014 0 (25,000) Sold Out
JEFFERIES GROUP LLC 09/30/2014 0 (11,700) Sold Out
PEAK6 INVESTMENTS, L.P. 09/30/2014 0 (562) Sold Out
RIDGEWORTH CAPITAL MANAGEMENT LLC 09/30/2014 0 (1,644) Sold Out
RUSSELL FRANK CO/ 09/30/2014 0 (28,840) Sold Out
SAC CAPITAL ADVISORS LP 03/31/2014 0 (176,850) Sold Out
SPRINGBOK CAPITAL MANAGEMENT, LLC 09/30/2014 0 (500) Sold Out
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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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