QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 400 filers reported holding QUIDEL CORP in Q3 2020. The put-call ratio across all filers is 0.70 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 | 1,759,421 | $316,080,000 | 39.61% |
| Birchview Capital, LP | 58,644 | $10,535,000 | 6.07% |
| Trellus Management Company, LLC | 39,810 | $7,152,000 | 5.90% |
| MANA Advisors LLC | 1,364 | $245,000 | 4.53% |
| Cannell & Co. | 493,107 | $88,587,000 | 2.94% |
| Brown Capital Management | 2,282,444 | $410,041,000 | 2.83% |
| Trellus Management Company, LLC | 15,000 | $2,695,000 | 2.22% |
| GAGNON SECURITIES LLC | 58,936 | $10,588,000 | 1.69% |
| PREMIER ASSET MANAGEMENT LLC | 40,470 | $7,270,000 | 1.49% |
| Millrace Asset Group, Inc. | 11,926 | $2,143,000 | 1.49% |