OAKBROOK INVESTMENTS LLC - CUBIST PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
OAKBROOK INVESTMENTS LLC ownership history of CUBIST PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2014$337,000
+24.4%
3,350
-9.5%
0.02%
+100.0%
Q1 2014$271,000
+6.3%
3,7000.0%0.01%
+28.6%
Q4 2013$255,0003,7000.01%
Other shareholders
CUBIST PHARMACEUTICALS INC shareholders Q1 2015
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