TESARO, Inc. Institutional Ownership

TSRO 
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0.15
0.24%
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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 89.53%
Total Shares Outstanding (millions) 40
Total Value of Holdings (millions) $2,240

Active Positions

Holders Shares
Increased Positions 57 4,104,924
Decreased Positions 47 1,975,234
Held Positions 18 29,721,749
Total Institutional Shares 122 35,801,907

New and Sold Out Positions


Holders Shares
New Positions 19 1,925,090
Sold Out Positions 16 768,434

47 Decreased Institutional Holders
1,975,234 Decreased 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)
ALLIANCEBERNSTEIN L.P. 12/31/2014 1,346,499 (91,987) (6.4) 84,237
HEALTHCOR MANAGEMENT, L.P. 12/31/2014 1,050,000 (148,795) (12.41) 65,688
STATE STREET CORP 12/31/2014 732,377 (44,486) (5.73) 45,818
FRANKLIN RESOURCES INC 12/31/2014 632,600 (58,600) (8.48) 39,575
GOLDMAN SACHS GROUP INC 12/31/2014 557,191 (322,592) (36.67) 34,858
LOOMIS SAYLES & CO L P 12/31/2014 451,183 (22,884) (4.83) 28,226
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 12/31/2014 335,466 (38,808) (10.37) 20,987
PUTNAM INVESTMENTS LLC 12/31/2014 334,543 (112) (0.03) 20,929
NORTHERN TRUST CORP 12/31/2014 253,400 (3,449) (1.34) 15,853
LORD, ABBETT & CO. LLC 12/31/2014 149,141 (16,101) (9.74) 9,330
FRED ALGER MANAGEMENT INC 12/31/2014 145,692 (6,785) (4.45) 9,114
TEACHERS ADVISORS INC 12/31/2014 125,858 (110) (0.09) 7,874
CLOUGH CAPITAL PARTNERS L P 12/31/2014 120,300 (137,800) (53.39) 7,526
TIAA CREF INVESTMENT MANAGEMENT LLC 12/31/2014 118,347 (2,472) (2.05) 7,404
OXFORD ASSET MANAGEMENT 03/31/2015 79,851 (86,230) (51.92) 4,995

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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