OPTIMER PHARMACEUTICALS INC's ticker is OPTR and the CUSIP is 68401H104. A total of 3 filers reported holding OPTIMER PHARMACEUTICALS INC in Q4 2012. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2013 | $65,000 | +58.5% | 4,500 | 0.0% | 0.00% | 0.0% |
| Q1 2013 | $41,000 | 0.0% | 4,500 | 0.0% | 0.00% | 0.0% |
| Q4 2012 | $41,000 | -61.3% | 4,500 | -40.0% | 0.00% | -50.0% |
| Q3 2012 | $106,000 | -43.0% | 7,500 | -37.5% | 0.00% | -60.0% |
| Q2 2012 | $186,000 | +11.4% | 12,000 | 0.0% | 0.01% | +25.0% |
| Q1 2012 | $167,000 | -49.8% | 12,000 | -57.2% | 0.00% | -50.0% |
| Q2 2011 | $333,000 | -41.4% | 28,008 | -41.7% | 0.01% | -42.9% |
| Q1 2011 | $568,000 | +4.6% | 48,008 | 0.0% | 0.01% | 0.0% |
| Q4 2010 | $543,000 | – | 48,008 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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