ESSEX INVESTMENT MANAGEMENT CO LLC - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 171 filers reported holding TESARO INC in Q2 2016. The put-call ratio across all filers is 1.75 and the average weighting 0.7%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of TESARO INC
ValueSharesWeighting
Q3 2018$607,000
-17.2%
15,548
-5.7%
0.07%
-22.8%
Q2 2018$733,000
+33.0%
16,492
+31.9%
0.09%
-2.1%
Q1 2016$551,000
+17.0%
12,506
+38.9%
0.09%
+27.0%
Q4 2015$471,000
-55.0%
9,006
-65.5%
0.07%
-57.0%
Q3 2015$1,047,00026,1170.17%
Other shareholders
TESARO INC shareholders Q2 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