BAMCO INC /NY/ - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 269 filers reported holding TESARO INC in Q4 2017. The put-call ratio across all filers is 0.82 and the average weighting 0.5%.

Quarter-by-quarter ownership
BAMCO INC /NY/ ownership history of TESARO INC
ValueSharesWeighting
Q3 2017$1,695,000
+20.7%
13,128
+30.7%
0.01%
+14.3%
Q2 2017$1,404,000
+459.4%
10,041
+301.6%
0.01%
+600.0%
Q3 2016$251,000
-19.3%
2,500
-32.4%
0.00%
-50.0%
Q2 2016$311,000
+253.4%
3,700
+85.0%
0.00%
Q1 2016$88,0002,0000.00%
Other shareholders
TESARO INC shareholders Q4 2017
NameSharesValueWeighting ↓
INTERWEST VENTURE MANAGEMENT CO 2,021,738$89,907,00037.98%
NEA Management Company, LLC 10,420,555$463,402,00021.71%
ORACLE INVESTMENT MANAGEMENT INC 763,535$33,954,0008.21%
Camber Capital Management LP 2,500,000$111,175,0004.28%
BB BIOTECH AG 2,426,802$107,920,0003.12%
NEXTHERA CAPITAL LP 433,500$19,278,0002.98%
Cormorant Asset Management, LP 550,000$24,459,0001.81%
Opus Point Partners Management, LLC 11,500$511,0001.11%
Rock Springs Capital Management LP 625,400$27,812,0001.07%
Eversept Partners, LP 52,523$2,335,6981.07%
View complete list of TESARO INC shareholders