CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - CUBIST PHARMACEUTICALS INC ownership

CUBIST PHARMACEUTICALS INC's ticker is CBSTZ and the CUSIP is 229678123. A total of 61 filers reported holding CUBIST PHARMACEUTICALS INC in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM ownership history of CUBIST PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2015$3,0000.0%46,1000.0%0.00%
Q4 2014$3,000
-40.0%
46,1000.0%0.00%
Q3 2014$5,0000.0%46,1000.0%0.00%
Q2 2014$5,000
-80.0%
46,1000.0%0.00%
Q1 2014$25,000
-60.3%
46,1000.0%0.00%
Q4 2013$63,00046,1000.00%
Other shareholders
CUBIST PHARMACEUTICALS INC shareholders Q1 2014
NameSharesValueWeighting ↓
ALPINE ASSOCIATES ADVISORS 5,593,460$648,0000.03%
SILVERBACK ASSET MANAGEMENT LLC 2,295,633$266,0000.03%
GABELLI & Co INVESTMENT ADVISERS, INC. 815,317$94,0000.02%
Yakira Capital Management, Inc. 196,892$23,0000.02%
Clearline Capital LP 786,283$92,0000.02%
JET CAPITAL INVESTORS L P 2,693,048$312,0000.01%
WATER ISLAND CAPITAL LLC 2,950,869$341,711,0000.01%
OXFORD ASSET MANAGEMENT LLP 2,156,663$216,0000.01%
Hudson Bay Capital Management LP 1,526,900$177,0000.01%
DELTEC ASSET MANAGEMENT LLC 200,000$23,0000.01%
View complete list of CUBIST PHARMACEUTICALS INC shareholders