QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $20,085,678 | -28.4% | 178,600 | -14.0% | 0.03% | -59.7% |
| Q4 2021 | $28,040,000 | -32.9% | 207,724 | -29.9% | 0.07% | -38.5% |
| Q3 2021 | $41,800,000 | -64.4% | 296,142 | -67.7% | 0.12% | -30.8% |
| Q2 2021 | $117,292,000 | +110.5% | 915,476 | +110.2% | 0.17% | -0.6% |
| Q1 2021 | $55,715,000 | -36.4% | 435,509 | -10.7% | 0.17% | -38.2% |
| Q4 2020 | $87,611,000 | +171.9% | 487,673 | +232.0% | 0.28% | +137.1% |
| Q3 2020 | $32,227,000 | +88.5% | 146,900 | +92.3% | 0.12% | +241.2% |
| Q2 2020 | $17,094,000 | +819.0% | 76,400 | +302.1% | 0.03% | +580.0% |
| Q1 2020 | $1,860,000 | +181.8% | 19,000 | +115.9% | 0.01% | +400.0% |
| Q4 2019 | $660,000 | +22.2% | 8,800 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $540,000 | -81.4% | 8,800 | -82.0% | 0.00% | -83.3% |
| Q2 2019 | $2,900,000 | +13.3% | 48,898 | +25.0% | 0.01% | -40.0% |
| Q1 2019 | $2,560,000 | +59.4% | 39,108 | +18.9% | 0.01% | +42.9% |
| Q4 2018 | $1,606,000 | +81.3% | 32,900 | +141.9% | 0.01% | +133.3% |
| Q3 2018 | $886,000 | +122.1% | 13,600 | +126.7% | 0.00% | +50.0% |
| Q2 2018 | $399,000 | -94.8% | 6,000 | -96.0% | 0.00% | -93.5% |
| Q1 2018 | $7,688,000 | -14.2% | 148,403 | -28.2% | 0.03% | -11.4% |
| Q4 2017 | $8,958,000 | – | 206,634 | – | 0.04% | – |
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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% |