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

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OPTIMER PHARMACEUTICALS INC's ticker is OPTR and the CUSIP is 68401H104.

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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$1,665,000–115,096–0.04%–
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Other shareholders

There were no reported owners of OPTIMER PHARMACEUTICALS INC in Q4 2013.

NameSharesValueWeighting ↓
View complete list of OPTIMER PHARMACEUTICALS INC shareholders