DIMENSIONAL FUND ADVISORS LP - OPTIMER PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
DIMENSIONAL FUND ADVISORS LP ownership history of OPTIMER PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2013$8,000
-11.1%
6000.0%0.00%
Q2 2013$9,0006000.00%
Other shareholders
OPTIMER PHARMACEUTICALS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GABELLI & Co INVESTMENT ADVISERS, INC. 796,617$10,029,0002.18%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC 757,000$9,531,0001.51%
WATER ISLAND CAPITAL LLC 2,939,810$37,042,0001.43%
SECTOR GAMMA AS 376,393$4,739,0001.22%
ALPINE ASSOCIATES ADVISORS 2,213,127$27,885,0001.12%
BB BIOTECH AG 1,422,200$17,905,0000.97%
TOURADJI CAPITAL MANAGEMENT, LP 25,000$315,0000.97%
JET CAPITAL INVESTORS L P 1,027,589$12,937,0000.94%
DAVIDSON KEMPNER CAPITAL MANAGEMENT LLC 1,845,022$23,229,0000.77%
Standard Investments LLC 256,160$3,225,0000.62%
View complete list of OPTIMER PHARMACEUTICALS INC shareholders