WESTFIELD CAPITAL MANAGEMENT CO LP - TESARO INC ownership

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of TESARO INC
ValueSharesWeighting
Q2 2017$7,922,000
-6.8%
56,641
+2.5%
0.07%
-6.8%
Q1 2017$8,503,00055,2630.07%
Other shareholders
TESARO INC shareholders Q3 2023
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