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 | $14,594,000 | +88.5% | 129,767 | +126.2% | 0.01% | +100.0% |
| Q4 2021 | $7,744,000 | -4.7% | 57,369 | -0.3% | 0.00% | 0.0% |
| Q3 2021 | $8,122,000 | +7.4% | 57,539 | -2.5% | 0.00% | 0.0% |
| Q2 2021 | $7,560,000 | -5.5% | 59,010 | -5.7% | 0.00% | -25.0% |
| Q1 2021 | $8,003,000 | -27.8% | 62,558 | +1.4% | 0.00% | -20.0% |
| Q4 2020 | $11,081,000 | -21.5% | 61,683 | -4.1% | 0.01% | -37.5% |
| Q3 2020 | $14,110,000 | -12.8% | 64,318 | -11.1% | 0.01% | -20.0% |
| Q2 2020 | $16,187,000 | +216.2% | 72,348 | +38.2% | 0.01% | +150.0% |
| Q1 2020 | $5,120,000 | +37.7% | 52,349 | +5.7% | 0.00% | +100.0% |
| Q4 2019 | $3,718,000 | +22.8% | 49,549 | +0.4% | 0.00% | 0.0% |
| Q3 2019 | $3,028,000 | +3.5% | 49,349 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $2,927,000 | -8.1% | 49,349 | +1.4% | 0.00% | 0.0% |
| Q1 2019 | $3,185,000 | +35.0% | 48,649 | +0.6% | 0.00% | 0.0% |
| Q4 2018 | $2,360,000 | -24.5% | 48,349 | +0.8% | 0.00% | 0.0% |
| Q3 2018 | $3,125,000 | -2.0% | 47,949 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $3,189,000 | +48.1% | 47,949 | +15.4% | 0.00% | 0.0% |
| Q1 2018 | $2,153,000 | +16.8% | 41,549 | -2.4% | 0.00% | +100.0% |
| Q4 2017 | $1,844,000 | -1.2% | 42,549 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $1,866,000 | +61.6% | 42,549 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $1,155,000 | +13.2% | 42,549 | -5.5% | 0.00% | 0.0% |
| Q1 2017 | $1,020,000 | +2.1% | 45,049 | -3.4% | 0.00% | 0.0% |
| Q4 2016 | $999,000 | -3.0% | 46,649 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $1,030,000 | +12.9% | 46,649 | -8.6% | 0.00% | 0.0% |
| Q2 2016 | $912,000 | +3.5% | 51,049 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $881,000 | -18.6% | 51,049 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $1,082,000 | +12.2% | 51,049 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $964,000 | -20.5% | 51,049 | -3.4% | 0.00% | 0.0% |
| Q2 2015 | $1,212,000 | -16.9% | 52,829 | -2.2% | 0.00% | 0.0% |
| Q1 2015 | $1,458,000 | -6.7% | 54,029 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $1,563,000 | +7.6% | 54,029 | 0.0% | 0.00% | 0.0% |
| Q3 2014 | $1,452,000 | +21.5% | 54,029 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $1,195,000 | -19.0% | 54,029 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $1,475,000 | -11.6% | 54,029 | 0.0% | 0.00% | 0.0% |
| Q4 2013 | $1,669,000 | +10.4% | 54,029 | +1.5% | 0.00% | 0.0% |
| Q3 2013 | $1,512,000 | +10.3% | 53,229 | -0.9% | 0.00% | 0.0% |
| Q2 2013 | $1,371,000 | – | 53,713 | – | 0.00% | – |
Download | ||||||
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% |