TESARO, Inc. Institutional Ownership

TSRO 
$64
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0.65
1.01%
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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 89.67%
Total Shares Outstanding (millions) 40
Total Value of Holdings (millions) $2,318

Active Positions

Holders Shares
Increased Positions 59 4,156,647
Decreased Positions 47 1,975,234
Held Positions 18 29,723,466
Total Institutional Shares 124 35,855,347

New and Sold Out Positions


Holders Shares
New Positions 20 1,975,373
Sold Out Positions 16 768,434

124 Institutional Holders
35,855,347 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)
GOLDMAN SACHS GROUP INC 12/31/2014 557,191 (322,592) (36.67) 36,022
ORACLE INVESTMENT MANAGEMENT INC 12/31/2014 556,379 0 0.00 35,970
LOOMIS SAYLES & CO L P 12/31/2014 451,183 (22,884) (4.83) 29,169
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 12/31/2014 336,128 105,429 45.70 21,731
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 12/31/2014 335,466 (38,808) (10.37) 21,688
PUTNAM INVESTMENTS LLC 12/31/2014 334,543 (112) (0.03) 21,628
DEUTSCHE BANK AG\ 12/31/2014 330,355 206,517 166.76 21,357
CORMORANT ASSET MANAGEMENT, LLC 12/31/2014 300,000 0 0.00 19,395
CITIGROUP INC 12/31/2014 288,723 282,213 4,335.07 18,666
NORTHERN TRUST CORP 12/31/2014 253,400 (3,449) (1.34) 16,382
AMERIPRISE FINANCIAL INC 12/31/2014 227,010 43,266 23.55 14,676
COLUMBUS CIRCLE INVESTORS 12/31/2014 209,009 61,809 41.99 13,512
WELLS FARGO & COMPANY/MN 12/31/2014 205,773 24,880 13.75 13,303
ROCK SPRINGS CAPITAL MANAGEMENT LP 12/31/2014 187,500 10,000 5.63 12,122
LORD, ABBETT & CO. LLC 12/31/2014 149,141 (16,101) (9.74) 9,642

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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