QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 338 filers reported holding QUIDEL CORP in Q2 2021. The put-call ratio across all filers is 0.86 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $13,384,000 | +44.3% | 126,567 | +84.3% | 0.00% | +33.3% |
| Q4 2021 | $9,272,000 | -82.2% | 68,672 | -81.4% | 0.00% | -82.4% |
| Q3 2021 | $52,153,000 | -0.3% | 369,564 | -9.5% | 0.02% | +6.2% |
| Q2 2021 | $52,315,000 | +23.7% | 408,324 | +23.6% | 0.02% | +14.3% |
| Q1 2021 | $42,276,000 | +10.6% | 330,462 | +55.3% | 0.01% | 0.0% |
| Q4 2020 | $38,240,000 | -27.3% | 212,853 | -11.0% | 0.01% | -33.3% |
| Q3 2020 | $52,565,000 | +11.2% | 239,187 | +13.2% | 0.02% | +5.0% |
| Q2 2020 | $47,288,000 | +122.1% | 211,253 | -3.0% | 0.02% | +81.8% |
| Q1 2020 | $21,295,000 | -41.7% | 217,710 | -55.3% | 0.01% | -26.7% |
| Q4 2019 | $36,528,000 | +24.9% | 486,829 | +2.1% | 0.02% | +15.4% |
| Q3 2019 | $29,247,000 | +40.2% | 476,732 | +35.6% | 0.01% | +44.4% |
| Q2 2019 | $20,854,000 | -19.2% | 351,577 | -10.8% | 0.01% | -25.0% |
| Q1 2019 | $25,813,000 | +178.2% | 394,284 | +107.5% | 0.01% | +140.0% |
| Q4 2018 | $9,277,000 | -4.0% | 190,023 | +28.1% | 0.01% | +66.7% |
| Q3 2018 | $9,667,000 | -0.7% | 148,342 | +1.3% | 0.00% | -25.0% |
| Q2 2018 | $9,736,000 | +121.2% | 146,398 | +72.3% | 0.00% | +100.0% |
| Q1 2018 | $4,402,000 | +265.3% | 84,968 | +205.6% | 0.00% | +100.0% |
| Q4 2017 | $1,205,000 | -45.4% | 27,800 | -44.7% | 0.00% | 0.0% |
| Q3 2017 | $2,206,000 | +110200.0% | 50,315 | +71778.6% | 0.00% | – |
| Q3 2014 | $2,000 | +100.0% | 70 | +16.7% | 0.00% | – |
| Q2 2014 | $1,000 | -50.0% | 60 | 0.0% | 0.00% | – |
| Q1 2014 | $2,000 | 0.0% | 60 | 0.0% | 0.00% | – |
| Q4 2013 | $2,000 | -96.2% | 60 | -96.7% | 0.00% | – |
| Q3 2013 | $52,000 | +10.6% | 1,810 | 0.0% | 0.00% | – |
| Q2 2013 | $47,000 | – | 1,810 | – | 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% |