Magnetar Financial LLC - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 3 filers reported holding TESARO INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.6%.

Quarter-by-quarter ownership
Magnetar Financial LLC ownership history of TESARO INC
ValueSharesWeighting
Q4 2018$102,450,000
+11084.5%
1,379,798
+23086.0%
2.51%
+19238.5%
Q1 2017$916,0005,9510.01%
Other shareholders
TESARO INC shareholders Q1 2019
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