IMPAX LABORATORIES INC's ticker is and the CUSIP is 45256B901. A total of 3 filers reported holding IMPAX LABORATORIES INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $3,000 | -72.7% | 58 | +20.8% | 0.00% | – |
| Q4 2017 | $11,000 | -59.3% | 48 | -72.7% | 0.00% | -100.0% |
| Q3 2017 | $27,000 | +285.7% | 176 | +214.3% | 0.00% | – |
| Q2 2017 | $7,000 | -30.0% | 56 | -36.4% | 0.00% | – |
| Q1 2017 | $10,000 | +66.7% | 88 | -4.3% | 0.00% | – |
| Q4 2016 | $6,000 | – | 92 | +4500.0% | 0.00% | – |
| Q3 2016 | $0 | -100.0% | 2 | -99.6% | 0.00% | -100.0% |
| Q2 2016 | $60,000 | +1900.0% | 470 | +2373.7% | 0.00% | – |
| Q1 2016 | $3,000 | -25.0% | 19 | +46.2% | 0.00% | – |
| Q4 2015 | $4,000 | – | 13 | +8.3% | 0.00% | – |
| Q3 2015 | $0 | -100.0% | 12 | -40.0% | 0.00% | – |
| Q2 2015 | $3,000 | 0.0% | 20 | +566.7% | 0.00% | – |
| Q1 2015 | $3,000 | -95.5% | 3 | -98.8% | 0.00% | -100.0% |
| Q4 2014 | $66,000 | – | 251 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 31,300 | $1,437,000 | 0.02% |
| Citadel Advisors | 16,700 | $767,000 | 0.00% |
| SIMPLEX TRADING, LLC | 20 | $3,000 | 0.00% |