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 | $22,585,000 | -15.2% | 200,822 | +1.8% | 0.01% | 0.0% |
| Q4 2021 | $26,630,000 | +18.4% | 197,278 | +23.8% | 0.01% | 0.0% |
| Q3 2021 | $22,493,000 | -50.7% | 159,356 | -55.2% | 0.01% | -46.2% |
| Q2 2021 | $45,602,000 | +1985.1% | 355,932 | +1982.1% | 0.01% | +1200.0% |
| Q1 2021 | $2,187,000 | -91.6% | 17,095 | -88.2% | 0.00% | -87.5% |
| Q4 2020 | $26,069,000 | -1.3% | 145,117 | +20.5% | 0.01% | -20.0% |
| Q3 2020 | $26,419,000 | -35.1% | 120,429 | -33.8% | 0.01% | -37.5% |
| Q2 2020 | $40,688,000 | +56.4% | 181,856 | -31.6% | 0.02% | +33.3% |
| Q1 2020 | $26,010,000 | +1.5% | 265,919 | -22.1% | 0.01% | +20.0% |
| Q4 2019 | $25,618,000 | +29.1% | 341,432 | +5.6% | 0.01% | +25.0% |
| Q3 2019 | $19,839,000 | +3.0% | 323,367 | -0.4% | 0.01% | 0.0% |
| Q2 2019 | $19,267,000 | -8.9% | 324,802 | +0.6% | 0.01% | -11.1% |
| Q1 2019 | $21,147,000 | +6.2% | 322,996 | -20.8% | 0.01% | -10.0% |
| Q4 2018 | $19,913,000 | -8.4% | 407,887 | +22.3% | 0.01% | +11.1% |
| Q3 2018 | $21,741,000 | -2.0% | 333,603 | -0.0% | 0.01% | -10.0% |
| Q2 2018 | $22,188,000 | +56.9% | 333,652 | +22.2% | 0.01% | +66.7% |
| Q1 2018 | $14,144,000 | – | 273,001 | – | 0.01% | – |
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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% |