Atika Capital Management LLC - TESARO INC ownership

TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 300 filers reported holding TESARO INC in Q2 2017. The put-call ratio across all filers is 0.57 and the average weighting 0.6%.

Quarter-by-quarter ownership
Atika Capital Management LLC ownership history of TESARO INC
ValueSharesWeighting
Q2 2017$2,965,000
-44.5%
21,200
-38.9%
1.04%
-60.3%
Q1 2017$5,338,000
+10.3%
34,700
-3.6%
2.61%
-9.3%
Q4 2016$4,841,000
-3.4%
36,000
-28.0%
2.88%
+40.8%
Q3 2016$5,012,000
+467.6%
50,000
+376.2%
2.05%
+441.5%
Q2 2016$883,00010,5000.38%
Other shareholders
TESARO INC shareholders Q2 2017
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