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 | $107,586,000 | -42.7% | 956,653 | -31.2% | 0.02% | -40.0% |
| Q4 2021 | $187,652,000 | -23.4% | 1,390,110 | -19.9% | 0.03% | -28.6% |
| Q3 2021 | $244,871,000 | +24.7% | 1,734,826 | +13.1% | 0.04% | +27.3% |
| Q2 2021 | $196,440,000 | +12.5% | 1,533,247 | +12.3% | 0.03% | +6.5% |
| Q1 2021 | $174,587,000 | +7.4% | 1,364,713 | +50.9% | 0.03% | +3.3% |
| Q4 2020 | $162,496,000 | -7.9% | 904,514 | +12.5% | 0.03% | -18.9% |
| Q3 2020 | $176,371,000 | +514.2% | 803,943 | +526.4% | 0.04% | +516.7% |
| Q2 2020 | $28,716,000 | +113.5% | 128,346 | -6.6% | 0.01% | +50.0% |
| Q1 2020 | $13,448,000 | -3.9% | 137,487 | -26.3% | 0.00% | +33.3% |
| Q4 2019 | $13,999,000 | +29.1% | 186,572 | +5.6% | 0.00% | +50.0% |
| Q3 2019 | $10,844,000 | +444.1% | 176,758 | +489.8% | 0.00% | – |
| Q2 2018 | $1,993,000 | -44.3% | 29,969 | -56.6% | 0.00% | -100.0% |
| Q1 2018 | $3,581,000 | +77.6% | 69,114 | +48.6% | 0.00% | – |
| Q4 2017 | $2,016,000 | -88.2% | 46,503 | -88.1% | 0.00% | -100.0% |
| Q3 2017 | $17,120,000 | +87.7% | 390,323 | -3.1% | 0.00% | +100.0% |
| Q1 2017 | $9,121,000 | -22.0% | 402,849 | -26.2% | 0.00% | -33.3% |
| Q4 2016 | $11,691,000 | -19.1% | 545,761 | -16.5% | 0.00% | -25.0% |
| Q3 2016 | $14,446,000 | -11.8% | 653,931 | -28.7% | 0.00% | 0.0% |
| Q2 2016 | $16,373,000 | +4.3% | 916,705 | +0.8% | 0.00% | 0.0% |
| Q1 2016 | $15,703,000 | -16.0% | 909,779 | +3.1% | 0.00% | -20.0% |
| Q4 2015 | $18,700,000 | -56.2% | 882,064 | -61.0% | 0.01% | -58.3% |
| Q3 2015 | $42,732,000 | -40.8% | 2,263,369 | -28.1% | 0.01% | -36.8% |
| Q2 2015 | $72,243,000 | -14.8% | 3,147,850 | +0.2% | 0.02% | -13.6% |
| Q1 2015 | $84,754,000 | -9.3% | 3,141,398 | -2.7% | 0.02% | -12.0% |
| Q4 2014 | $93,415,000 | +71.6% | 3,230,123 | +59.4% | 0.02% | +66.7% |
| Q3 2014 | $54,434,000 | +54.8% | 2,025,833 | +27.4% | 0.02% | +66.7% |
| Q2 2014 | $35,161,000 | +96.6% | 1,590,300 | +142.8% | 0.01% | +80.0% |
| Q1 2014 | $17,882,000 | +19.8% | 655,050 | +35.6% | 0.01% | +25.0% |
| Q4 2013 | $14,925,000 | +80.0% | 483,150 | +65.5% | 0.00% | +33.3% |
| Q3 2013 | $8,292,000 | – | 291,955 | – | 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% |