QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 172 filers reported holding QUIDEL CORP in Q3 2018. The put-call ratio across all filers is 0.39 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $87,000 | -39.6% | 775 | -44.2% | 0.00% | 0.0% |
| Q4 2021 | $144,000 | +69.4% | 1,389 | +131.5% | 0.00% | 0.0% |
| Q3 2021 | $85,000 | +10.4% | 600 | 0.0% | 0.00% | – |
| Q2 2021 | $77,000 | 0.0% | 600 | 0.0% | 0.00% | – |
| Q1 2021 | $77,000 | -47.3% | 600 | -26.4% | 0.00% | -100.0% |
| Q4 2020 | $146,000 | -20.7% | 815 | -3.0% | 0.00% | 0.0% |
| Q3 2020 | $184,000 | -74.2% | 840 | -73.6% | 0.00% | -85.7% |
| Q2 2020 | $712,000 | +565.4% | 3,181 | +191.8% | 0.01% | +600.0% |
| Q1 2020 | $107,000 | +33.8% | 1,090 | +2.8% | 0.00% | 0.0% |
| Q4 2019 | $80,000 | +70.2% | 1,060 | +39.5% | 0.00% | – |
| Q3 2019 | $47,000 | +327.3% | 760 | +300.0% | 0.00% | – |
| Q2 2019 | $11,000 | -8.3% | 190 | 0.0% | 0.00% | – |
| Q1 2019 | $12,000 | +33.3% | 190 | 0.0% | 0.00% | – |
| Q4 2018 | $9,000 | -25.0% | 190 | 0.0% | 0.00% | – |
| Q3 2018 | $12,000 | -20.0% | 190 | -13.6% | 0.00% | – |
| Q2 2018 | $15,000 | +36.4% | 220 | 0.0% | 0.00% | – |
| Q1 2018 | $11,000 | -21.4% | 220 | -31.2% | 0.00% | – |
| Q4 2017 | $14,000 | 0.0% | 320 | 0.0% | 0.00% | – |
| Q3 2017 | $14,000 | +55.6% | 320 | 0.0% | 0.00% | – |
| Q2 2017 | $9,000 | +28.6% | 320 | 0.0% | 0.00% | – |
| Q1 2017 | $7,000 | -46.2% | 320 | -46.7% | 0.00% | – |
| Q4 2016 | $13,000 | 0.0% | 600 | 0.0% | 0.00% | – |
| Q3 2016 | $13,000 | +18.2% | 600 | 0.0% | 0.00% | – |
| Q2 2016 | $11,000 | +10.0% | 600 | 0.0% | 0.00% | – |
| Q1 2016 | $10,000 | – | 600 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 3,265,457 | $100,869,966,000 | 13.88% |
| First Light Asset Management, LLC | 141,030 | $4,356,000 | 3.69% |
| Wood Investment Counsel LLC | 750,159 | $23,172,000 | 3.66% |
| RK Capital | 292,910 | $9,048,000 | 2.22% |
| 1492 Capital Management LLC | 107,678 | $3,326,000 | 1.79% |
| Ghost Tree Capital, LLC | 85,000 | $2,626,000 | 1.62% |
| WALL STREET ASSOCIATES | 630,400 | $19,473,000 | 1.60% |
| Brown Capital Management | 3,070,671 | $94,853,000 | 1.55% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 298,990 | $9,236,000 | 1.52% |
| KOPP INVESTMENT ADVISORS LLC | 74,650 | $2,306,000 | 1.04% |