Paloma Partners Management Co - 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
Paloma Partners Management Co ownership history of TESARO INC
ValueSharesWeighting
Q4 2018$4,576,000
+622.9%
61,625
+1157.4%
0.14%
+1650.0%
Q3 2017$633,000
-79.0%
4,901
-77.3%
0.01%
-77.8%
Q2 2017$3,021,000
+1174.7%
21,600
+264.1%
0.04%
+620.0%
Q3 2015$237,0005,9320.01%
Other shareholders
TESARO INC shareholders Q2 2017
NameSharesValueWeighting ↓
INTERWEST VENTURE MANAGEMENT CO 2,021,403$271,838,00064.82%
NEA Management Company, LLC 10,275,113$1,381,797,00054.94%
ORACLE INVESTMENT MANAGEMENT INC 1,248,086$167,843,00027.84%
BLUE JAY CAPITAL MANAGEMENT, LLC 89,695$12,062,0007.28%
Perceptive Advisors 687,993$92,521,0006.58%
Avoro Capital Advisors LLC 231,700$31,159,0006.30%
INTERNATIONAL BIOTECHNOLOGY TRUST PLC 94,500$12,705,0005.72%
Rock Springs Capital Management LP 613,500$82,503,0005.52%
SENZAR ASSET MANAGEMENT, LLC 142,300$19,136,0005.08%
BB BIOTECH AG 974,582$131,062,0004.85%
View complete list of TESARO INC shareholders