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 | $35,711,000 | -11.1% | 317,543 | +6.7% | 0.01% | -8.3% |
| Q4 2021 | $40,161,000 | -3.3% | 297,509 | +1.1% | 0.01% | -14.3% |
| Q3 2021 | $41,526,000 | +53.9% | 294,192 | +39.7% | 0.01% | +55.6% |
| Q2 2021 | $26,981,000 | +2.3% | 210,592 | +2.2% | 0.01% | -10.0% |
| Q1 2021 | $26,367,000 | -23.2% | 206,103 | +7.8% | 0.01% | -28.6% |
| Q4 2020 | $34,344,000 | -16.4% | 191,171 | +2.1% | 0.01% | -26.3% |
| Q3 2020 | $41,073,000 | -2.6% | 187,221 | -0.7% | 0.02% | -9.5% |
| Q2 2020 | $42,180,000 | +85.3% | 188,521 | -19.0% | 0.02% | +61.5% |
| Q1 2020 | $22,767,000 | +33.1% | 232,767 | +2.1% | 0.01% | +44.4% |
| Q4 2019 | $17,102,000 | +25.7% | 227,933 | +2.8% | 0.01% | +12.5% |
| Q3 2019 | $13,602,000 | -3.4% | 221,710 | -6.6% | 0.01% | -11.1% |
| Q2 2019 | $14,077,000 | -9.8% | 237,301 | -0.5% | 0.01% | -10.0% |
| Q1 2019 | $15,611,000 | +28.7% | 238,444 | -4.0% | 0.01% | +11.1% |
| Q4 2018 | $12,129,000 | -24.6% | 248,429 | +0.7% | 0.01% | -18.2% |
| Q3 2018 | $16,076,000 | +43.2% | 246,663 | +46.1% | 0.01% | +37.5% |
| Q2 2018 | $11,225,000 | +12.0% | 168,788 | -12.8% | 0.01% | 0.0% |
| Q1 2018 | $10,024,000 | +20.0% | 193,461 | +0.4% | 0.01% | +14.3% |
| Q4 2017 | $8,352,000 | +4.7% | 192,647 | +6.0% | 0.01% | 0.0% |
| Q3 2017 | $7,974,000 | +68.1% | 181,804 | +4.0% | 0.01% | +75.0% |
| Q2 2017 | $4,744,000 | +73.8% | 174,788 | +45.0% | 0.00% | +33.3% |
| Q1 2017 | $2,730,000 | +11.7% | 120,582 | +5.7% | 0.00% | 0.0% |
| Q4 2016 | $2,445,000 | +2.3% | 114,102 | +5.5% | 0.00% | 0.0% |
| Q3 2016 | $2,390,000 | +29.6% | 108,163 | +4.8% | 0.00% | +50.0% |
| Q2 2016 | $1,844,000 | +5.3% | 103,229 | +1.8% | 0.00% | 0.0% |
| Q1 2016 | $1,751,000 | -16.9% | 101,447 | +2.0% | 0.00% | -33.3% |
| Q4 2015 | $2,108,000 | +24.8% | 99,410 | +11.2% | 0.00% | +50.0% |
| Q3 2015 | $1,689,000 | -12.0% | 89,408 | +7.0% | 0.00% | -33.3% |
| Q2 2015 | $1,919,000 | -12.2% | 83,594 | +3.2% | 0.00% | 0.0% |
| Q1 2015 | $2,185,000 | -2.0% | 80,981 | +5.0% | 0.00% | 0.0% |
| Q4 2014 | $2,230,000 | +11.6% | 77,108 | +3.7% | 0.00% | 0.0% |
| Q3 2014 | $1,999,000 | +18.0% | 74,366 | -2.9% | 0.00% | 0.0% |
| Q2 2014 | $1,694,000 | -19.3% | 76,584 | -0.4% | 0.00% | -25.0% |
| Q1 2014 | $2,100,000 | -8.9% | 76,894 | +3.1% | 0.00% | 0.0% |
| Q4 2013 | $2,305,000 | +14.4% | 74,617 | +4.1% | 0.00% | 0.0% |
| Q3 2013 | $2,015,000 | +11.9% | 71,668 | +5.3% | 0.00% | 0.0% |
| Q2 2013 | $1,801,000 | – | 68,076 | – | 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% |