SECTORAL ASSET MANAGEMENT INC - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 145 filers reported holding TESARO INC in Q1 2016. The put-call ratio across all filers is 1.36 and the average weighting 0.4%.

Quarter-by-quarter ownership
SECTORAL ASSET MANAGEMENT INC ownership history of TESARO INC
ValueSharesWeighting
Q1 2018$12,871,000
+324.4%
225,260
+515.5%
1.41%
+272.3%
Q4 2017$3,033,000
-84.3%
36,600
-75.6%
0.38%
-84.8%
Q3 2017$19,339,000
-36.3%
149,799
-78.3%
2.49%
+69.6%
Q1 2016$30,375,000
+43.3%
689,869
+70.3%
1.47%
+62.5%
Q4 2015$21,193,000405,0690.90%
Other shareholders
TESARO INC shareholders Q1 2016
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