TESARO, Inc. Institutional Ownership

TSRO 
$25.05
*  
0.51
 negative 
2%
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*Delayed - data as of Apr. 17, 2014 
Exchange: NASDAQ
Industry: Health Care
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Company Details

Institutional Ownership
Type Value
Total Shares Out Standing (millions): 36
Market Capitalization ($ millions): $673
Institutional Ownership: 74.6%
Price (as of 03/31/2014) 25.05

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 107 26,850,211
New Positions: 13 1,374,272
Increased Positions: 46 2,415,864
Decreased Positions: 50 2,255,310
Holders With Activity: 96 4,671,174
Sold Out Positions: 15 284,617

Institutional Holdings information for TSRO is filed by major institutions on form 13-F with the Securities and Exchange Commission. Learn more about the information on this page in the help area for Institutional Holdings.

107 Institutional Holders
26,850,211 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)
NEA MANAGEMENT COMPANY, LLC 12/31/2013 9,861,412 0 0.00 247,028
WELLINGTON MANAGEMENT CO LLP 12/31/2013 3,336,267 147,391 4.62 83,573
PRICE T ROWE ASSOCIATES INC /MD/ 12/31/2013 1,799,953 114,800 6.81 45,089
PERCEPTIVE ADVISORS LLC 12/31/2013 1,446,570 (67,074) (4.43) 36,237
FMR LLC 12/31/2013 996,794 (682,777) (40.65) 24,970
ORACLE INVESTMENT MANAGEMENT INC 12/31/2013 768,219 91,107 13.46 19,244
RA CAPITAL MANAGEMENT, LLC 12/31/2013 700,000 700,000 New 17,535
VANGUARD GROUP INC 12/31/2013 621,072 23,144 3.87 15,558
ADAGE CAPITAL PARTNERS GP LLC 12/31/2013 597,900 222,266 59.17 14,977
FRANKLIN RESOURCES INC 12/31/2013 586,000 122,800 26.51 14,679
STATE STREET CORP 12/31/2013 578,798 (131,576) (18.52) 14,499
BB BIOTECH AG 12/31/2013 471,282 97,982 26.25 11,806
BLACKROCK FUND ADVISORS 12/31/2013 439,734 5,286 1.22 11,015
ALLIANCEBERNSTEIN L.P. 12/31/2013 438,111 (62,061) (12.41) 10,975
CORMORANT ASSET MANAGEMENT, LLC 12/31/2013 300,000 300,000 New 7,515