QUIDEL CORP's ticker is and the CUSIP is 74838J951. A total of 2 filers reported holding QUIDEL CORP in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $91,000 | +37.9% | 4,300 | +22.9% | 0.00% | – |
| Q3 2015 | $66,000 | -49.6% | 3,500 | -38.6% | 0.00% | – |
| Q2 2015 | $131,000 | +52.3% | 5,700 | +78.1% | 0.00% | – |
| Q1 2015 | $86,000 | -65.9% | 3,200 | -63.2% | 0.00% | – |
| Q4 2014 | $252,000 | +1.6% | 8,700 | -22.3% | 0.00% | – |
| Q2 2014 | $248,000 | +138.5% | 11,200 | +194.7% | 0.00% | – |
| Q1 2014 | $104,000 | – | 3,800 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 40,800 | $7,330,000 | 0.01% |
| SIMPLEX TRADING, LLC | 306 | $5,497,000 | 0.01% |
| IMC-Chicago, LLC | 14,600 | $2,623,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |