QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 352 filers reported holding QUIDEL CORP in Q1 2021. The put-call ratio across all filers is 1.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $2,811,000 | -40.1% | 24,990 | -28.1% | 0.00% | -50.0% |
| Q4 2021 | $4,694,000 | -91.9% | 34,773 | -91.6% | 0.00% | -92.0% |
| Q3 2021 | $58,294,000 | +26.7% | 412,992 | +15.0% | 0.02% | +25.0% |
| Q2 2021 | $45,998,000 | +141.4% | 359,020 | +141.1% | 0.02% | +122.2% |
| Q1 2021 | $19,052,000 | -61.4% | 148,923 | -45.8% | 0.01% | -60.9% |
| Q4 2020 | $49,350,000 | -19.9% | 274,699 | -2.2% | 0.02% | -28.1% |
| Q3 2020 | $61,589,000 | -16.6% | 280,743 | -15.0% | 0.03% | -22.0% |
| Q2 2020 | $73,879,000 | +2857.5% | 330,201 | +1192.7% | 0.04% | +1950.0% |
| Q1 2020 | $2,498,000 | +37.7% | 25,543 | +5.7% | 0.00% | +100.0% |
| Q4 2019 | $1,814,000 | +29.7% | 24,173 | +6.0% | 0.00% | 0.0% |
| Q3 2019 | $1,399,000 | +24.4% | 22,805 | +20.3% | 0.00% | 0.0% |
| Q2 2019 | $1,125,000 | +58.0% | 18,960 | +74.4% | 0.00% | – |
| Q1 2019 | $712,000 | -79.9% | 10,873 | -91.7% | 0.00% | -100.0% |
| Q2 2017 | $3,536,000 | – | 130,282 | – | 0.00% | – |
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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% |