COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS - CUBIST PHARMACEUTICALS INC ownership

CUBIST PHARMACEUTICALS INC's ticker is CBST and the CUSIP is 229678107. A total of 316 filers reported holding CUBIST PHARMACEUTICALS INC in Q4 2014. The put-call ratio across all filers is 2.12 and the average weighting 0.7%.

Quarter-by-quarter ownership
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS ownership history of CUBIST PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2014$13,982,000
+1906.0%
138,915
+1221.7%
0.21%
+1960.0%
Q3 2014$697,000
-4.7%
10,510
+0.4%
0.01%
-9.1%
Q2 2014$731,000
-4.3%
10,470
+0.2%
0.01%
-8.3%
Q1 2014$764,000
+6.7%
10,444
+0.5%
0.01%
+9.1%
Q4 2013$716,000
+20.1%
10,394
+10.8%
0.01%
+10.0%
Q3 2013$596,0009,3800.01%
Other shareholders
CUBIST PHARMACEUTICALS INC shareholders Q4 2014
NameSharesValueWeighting ↓
AKANTHOS CAPITAL MANAGEMENT LLC 50,500$3,526,00010.49%
Palo Alto Investors LP 1,526,916$106,609,0007.94%
HealthCor Management, L.P. 1,225,000$85,530,0004.29%
SECTOR GAMMA AS 192,490$13,440,0003.18%
AMI ASSET MANAGEMENT CORP 363,698$25,393,0002.52%
EAGLE BOSTON INVESTMENT MANAGEMENT INC 578,207$40,370,0002.01%
TURNER INVESTMENTS LLC 559,239$39,046,0001.73%
Tekla Capital Management LLC 263,772$18,417,0001.69%
MAZAMA CAPITAL MANAGEMENT INC 80,221$5,601,0001.50%
WESTFIELD CAPITAL MANAGEMENT CO LP 3,234,570$225,838,0001.34%
View complete list of CUBIST PHARMACEUTICALS INC shareholders