PURA VIDA INVESTMENTS, LLC - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 251 filers reported holding TESARO INC in Q1 2018. The put-call ratio across all filers is 1.12 and the average weighting 0.4%.

Quarter-by-quarter ownership
PURA VIDA INVESTMENTS, LLC ownership history of TESARO INC
ValueSharesWeighting
Q3 2018$1,980,000
+59.3%
50,747
+238.3%
0.42%
-19.8%
Q4 2017$1,243,000
-79.3%
15,000
-65.1%
0.52%
-78.2%
Q2 2017$6,014,00043,0002.39%
Other shareholders
TESARO INC shareholders Q1 2018
NameSharesValueWeighting ↓
NEA Management Company, LLC 10,275,113$1,029,977,00046.23%
ORACLE INVESTMENT MANAGEMENT INC 1,154,322$115,709,00017.83%
BLUE JAY CAPITAL MANAGEMENT, LLC 120,000$12,029,0006.57%
March Altus Capital Management LP 10,000$1,002,0006.27%
Avoro Capital Advisors LLC 277,703$27,837,0004.88%
Perceptive Advisors 682,415$68,405,0004.42%
Rock Springs Capital Management LP 626,500$62,800,0003.94%
Hatteras Investment Partners, LP 10,240$1,026,0003.52%
BB BIOTECH AG 974,582$97,692,0003.43%
SENZAR ASSET MANAGEMENT, LLC 84,300$8,450,232,0002.18%
View complete list of TESARO INC shareholders