QUESTCOR PHARMACEUTICALS INC's ticker is and the CUSIP is 74835Y901. A total of 2 filers reported holding QUESTCOR PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2014 | $39,373,000 | +132.5% | 425,700 | +63.2% | 0.61% | +112.6% |
| Q1 2014 | $16,934,000 | +19.2% | 260,800 | -0.0% | 0.28% | +33.2% |
| Q4 2013 | $14,206,000 | -5.3% | 260,900 | +0.9% | 0.21% | -25.4% |
| Q3 2013 | $14,999,000 | -6.4% | 258,600 | -26.7% | 0.29% | -27.3% |
| Q2 2013 | $16,029,000 | – | 352,600 | – | 0.40% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 260,900 | $14,206,000 | 0.21% |
| Citadel Advisors | 86,800 | $4,726,000 | 0.01% |