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 | $4,543,000 | -73.7% | 40,400 | -68.4% | 0.00% | -73.3% |
| Q4 2021 | $17,265,000 | +61.6% | 127,900 | +69.0% | 0.02% | +66.7% |
| Q3 2021 | $10,685,000 | -8.9% | 75,700 | -17.3% | 0.01% | -10.0% |
| Q2 2021 | $11,723,000 | +28.1% | 91,500 | +27.9% | 0.01% | +11.1% |
| Q1 2021 | $9,154,000 | +667.3% | 71,552 | +977.9% | 0.01% | +800.0% |
| Q4 2020 | $1,193,000 | -77.6% | 6,638 | -72.6% | 0.00% | -83.3% |
| Q3 2020 | $5,322,000 | -75.1% | 24,258 | -88.9% | 0.01% | -81.8% |
| Q1 2020 | $21,406,000 | +60.9% | 218,854 | +23.4% | 0.03% | +120.0% |
| Q4 2019 | $13,302,000 | +14.8% | 177,286 | -6.1% | 0.02% | +7.1% |
| Q3 2019 | $11,586,000 | -25.6% | 188,841 | -28.1% | 0.01% | -26.3% |
| Q2 2019 | $15,575,000 | -29.5% | 262,560 | -22.2% | 0.02% | -34.5% |
| Q1 2019 | $22,100,000 | +41.7% | 337,573 | +5.7% | 0.03% | +38.1% |
| Q4 2018 | $15,598,000 | -28.2% | 319,514 | -4.1% | 0.02% | -19.2% |
| Q3 2018 | $21,720,000 | -17.2% | 333,282 | -15.5% | 0.03% | -23.5% |
| Q2 2018 | $26,240,000 | +21.1% | 394,586 | -5.6% | 0.03% | +17.2% |
| Q1 2018 | $21,660,000 | +0.3% | 418,063 | -16.1% | 0.03% | -3.3% |
| Q4 2017 | $21,605,000 | -13.5% | 498,386 | -12.5% | 0.03% | -21.1% |
| Q3 2017 | $24,991,000 | +88.7% | 569,793 | +16.8% | 0.04% | +72.7% |
| Q2 2017 | $13,242,000 | +46.9% | 487,909 | +22.5% | 0.02% | +37.5% |
| Q1 2017 | $9,014,000 | +7.0% | 398,139 | +1.2% | 0.02% | +14.3% |
| Q4 2016 | $8,426,000 | -8.0% | 393,393 | -5.1% | 0.01% | -12.5% |
| Q3 2016 | $9,154,000 | +18.5% | 414,382 | -4.2% | 0.02% | +14.3% |
| Q2 2016 | $7,723,000 | +8.8% | 432,415 | +5.2% | 0.01% | +7.7% |
| Q1 2016 | $7,096,000 | -20.1% | 411,139 | -1.9% | 0.01% | 0.0% |
| Q4 2015 | $8,885,000 | +66.2% | 419,083 | +48.0% | 0.01% | +62.5% |
| Q3 2015 | $5,347,000 | +18.8% | 283,236 | +44.4% | 0.01% | +14.3% |
| Q2 2015 | $4,501,000 | +39.6% | 196,117 | +64.1% | 0.01% | +40.0% |
| Q1 2015 | $3,224,000 | +61.5% | 119,514 | +73.1% | 0.01% | +66.7% |
| Q4 2014 | $1,996,000 | +28.8% | 69,031 | +19.6% | 0.00% | +50.0% |
| Q3 2014 | $1,550,000 | +493.9% | 57,705 | +389.0% | 0.00% | – |
| Q2 2014 | $261,000 | -68.1% | 11,800 | -60.7% | 0.00% | -100.0% |
| Q1 2014 | $819,000 | +196.7% | 30,000 | +209.1% | 0.00% | – |
| Q3 2013 | $276,000 | -29.9% | 9,705 | -37.1% | 0.00% | -100.0% |
| Q2 2013 | $394,000 | – | 15,438 | – | 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% |