Baker Brothers Advisors - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 104 filers reported holding TESARO INC in Q3 2014. The put-call ratio across all filers is 1.03 and the average weighting 0.2%.

Quarter-by-quarter ownership
Baker Brothers Advisors ownership history of TESARO INC
ValueSharesWeighting
Q4 2014$1,161,000
+38.2%
31,2180.0%0.01%
+9.1%
Q3 2014$840,000
-13.5%
31,2180.0%0.01%
-8.3%
Q2 2014$971,000
+5.5%
31,2180.0%0.01%0.0%
Q1 2014$920,000
+4.3%
31,2180.0%0.01%0.0%
Q4 2013$882,000
-27.0%
31,2180.0%0.01%
-29.4%
Q3 2013$1,209,000
+18.3%
31,2180.0%0.02%
-15.0%
Q2 2013$1,022,00031,2180.02%
Other shareholders
TESARO INC shareholders Q3 2014
NameSharesValueWeighting ↓
INTERWEST VENTURE MANAGEMENT CO 2,021,738$115,522,00048.67%
NEA Management Company, LLC 10,420,555$595,431,00026.49%
ORACLE INVESTMENT MANAGEMENT INC 844,718$48,267,00011.70%
Camber Capital Management LP 1,725,000$98,567,0004.84%
BB BIOTECH AG 1,629,743$93,124,0002.57%
Iguana Healthcare Management, LLC 45,000$2,571,0001.69%
Cormorant Asset Management, LP 350,000$19,999,0001.49%
SECTORAL ASSET MANAGEMENT INC 225,260$12,871,0001.41%
Rock Springs Capital Management LP 573,000$32,741,0001.40%
Eversept Partners, LP 51,523$2,944,0241.37%
View complete list of TESARO INC shareholders