DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - CUBIST PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of CUBIST PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2014$21,157,000
-77.8%
210,200
-84.8%
0.76%
-84.6%
Q4 2013$95,473,000
-26.9%
1,386,282
-32.5%
4.95%
-18.5%
Q3 2013$130,532,000
+23.1%
2,054,000
-6.4%
6.07%
+21.5%
Q2 2013$105,997,0002,195,0005.00%
Other shareholders
CUBIST PHARMACEUTICALS INC shareholders Q1 2015
NameSharesValueWeighting ↓
Palo Alto Investors LP 1,843,688$122,310,0009.14%
HealthCor Management, L.P. 1,100,000$72,974,0003.75%
SECTOR GAMMA AS 199,990$13,267,0003.10%
AMI ASSET MANAGEMENT CORP 365,309$24,235,0002.38%
Redmile Group, LLC 283,756$18,824,0002.17%
EAGLE BOSTON INVESTMENT MANAGEMENT INC 1,134,336$75,250,0002.10%
PointState Capital LP 1,650,000$109,461,0001.98%
Tamarack Capital Management, LLC 110,000$7,297,0001.62%
Tekla Capital Management LLC 494,454$32,802,0001.54%
WESTFIELD CAPITAL MANAGEMENT CO LP 3,421,430$226,978,0001.39%
View complete list of CUBIST PHARMACEUTICALS INC shareholders