SPHERA FUNDS MANAGEMENT LTD. - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 208 filers reported holding TESARO INC in Q2 2018. The put-call ratio across all filers is 0.90 and the average weighting 0.4%.

Quarter-by-quarter ownership
SPHERA FUNDS MANAGEMENT LTD. ownership history of TESARO INC
ValueSharesWeighting
Q1 2018$6,067,000
-22.9%
106,175
+11.8%
0.92%
-0.3%
Q4 2017$7,873,000
-23.8%
95,000
+18.8%
0.92%
-37.3%
Q3 2017$10,328,000
+34.3%
80,000
+45.5%
1.47%
+12.8%
Q2 2017$7,692,000
+185.9%
55,000
+175.0%
1.31%
+91.9%
Q4 2016$2,690,000
-46.3%
20,000
-60.0%
0.68%
-16.5%
Q3 2016$5,012,000
+212.3%
50,000
+62.9%
0.82%
+247.2%
Q4 2015$1,605,000
-65.9%
30,686
-73.9%
0.24%
-60.9%
Q3 2015$4,712,000
-8.4%
117,500
+34.3%
0.60%
+19.2%
Q2 2015$5,144,00087,5000.50%
Other shareholders
TESARO INC shareholders Q2 2018
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