QUIDEL CORP's ticker is and the CUSIP is 74838JAA9. A total of 25 filers reported holding QUIDEL CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $5,435,000 | +556.4% | 3,410,000 | +521.1% | 0.00% | +300.0% |
| Q4 2017 | $828,000 | +5420.0% | 549,000 | +3560.0% | 0.00% | – |
| Q4 2016 | $15,000 | -98.5% | 15,000 | -98.5% | 0.00% | -100.0% |
| Q3 2016 | $1,003,000 | +1659.6% | 1,000,000 | +1512.9% | 0.00% | – |
| Q2 2016 | $57,000 | +375.0% | 62,000 | +376.9% | 0.00% | – |
| Q3 2015 | $12,000 | -98.8% | 13,000 | -98.7% | 0.00% | -100.0% |
| Q2 2015 | $990,000 | -55.8% | 1,000,000 | -51.8% | 0.00% | -66.7% |
| Q1 2015 | $2,240,000 | – | 2,074,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GRACE BROTHERS MANAGEMENT LLC | 1,250,000 | $1,162,000 | 4.76% |
| Mohican Financial Management, LLC | 6,500,000 | $6,017,000 | 4.58% |
| LINDEN ADVISORS LP | 40,750,000 | $37,964,000 | 2.61% |
| Context Capital Management, LLC | 1,250,000 | $1,162,000 | 2.12% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 6,500,000 | $6,107,000 | 1.53% |
| Sonora Investment Management, LLC | 4,660,000 | $4,493,000 | 1.36% |
| STEELHEAD PARTNERS LLC | 11,000,000 | $10,271,000 | 1.08% |
| Pinnacle Holdings, LLC | 1,945,000 | $1,803,340,000 | 0.78% |
| GUARDIAN LIFE INSURANCE CO OF AMERICA | 8,000,000 | $7,405,000 | 0.75% |
| SSI INVESTMENT MANAGEMENT LLC | 6,750,000 | $6,248,000 | 0.67% |