GROUP ONE TRADING, L.P. - OPTIMER PHARMACEUTICALS INC ownership

OPTIMER PHARMACEUTICALS INC's ticker is OPTR and the CUSIP is 68401H104. A total of 105 filers reported holding OPTIMER PHARMACEUTICALS INC in Q3 2013. The put-call ratio across all filers is 3.49 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of OPTIMER PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2013$2,484,000
+49.2%
197,153
+71.3%
0.05%
+17.1%
Q2 2013$1,665,000115,0960.04%
Other shareholders

There were no reported owners of OPTIMER PHARMACEUTICALS INC in Q3 2013.

NameSharesValueWeighting ↓
View complete list of OPTIMER PHARMACEUTICALS INC shareholders