QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $4,762,427 | -11.9% | 65,203 | 0.0% | 4.05% | +0.1% |
| Q2 2023 | $5,402,721 | +98814.7% | 65,203 | +6.4% | 4.05% | -5.3% |
| Q1 2023 | $5,462 | +4.0% | 61,306 | 0.0% | 4.28% | +15.3% |
| Q4 2022 | $5,252 | -99.9% | 61,306 | 0.0% | 3.71% | +20.2% |
| Q3 2022 | $4,382,000 | -26.5% | 61,306 | 0.0% | 3.09% | -28.8% |
| Q2 2022 | $5,958,000 | -11.2% | 61,306 | +2.7% | 4.33% | -10.3% |
| Q1 2022 | $6,712,000 | -16.7% | 59,684 | 0.0% | 4.83% | -7.0% |
| Q4 2021 | $8,057,000 | -4.4% | 59,684 | 0.0% | 5.20% | -9.4% |
| Q3 2021 | $8,424,000 | +10.2% | 59,684 | 0.0% | 5.73% | +25.3% |
| Q2 2021 | $7,647,000 | +1.9% | 59,684 | +1.8% | 4.57% | +2.7% |
| Q1 2021 | $7,502,000 | -28.8% | 58,644 | 0.0% | 4.45% | -26.6% |
| Q4 2020 | $10,535,000 | -59.1% | 58,644 | -50.0% | 6.07% | -29.4% |
| Q3 2020 | $25,730,000 | +125.7% | 117,288 | +130.2% | 8.60% | +24.8% |
| Q2 2020 | $11,398,000 | +138.6% | 50,944 | +4.3% | 6.89% | +62.6% |
| Q1 2020 | $4,777,000 | +30.3% | 48,844 | 0.0% | 4.24% | +59.0% |
| Q4 2019 | $3,665,000 | +22.3% | 48,844 | 0.0% | 2.66% | +33.4% |
| Q3 2019 | $2,997,000 | +3.5% | 48,844 | 0.0% | 2.00% | +13.3% |
| Q2 2019 | $2,897,000 | -6.0% | 48,844 | +3.8% | 1.76% | -8.8% |
| Q1 2019 | $3,082,000 | +34.1% | 47,075 | 0.0% | 1.93% | -11.2% |
| Q4 2018 | $2,298,000 | +3.8% | 47,075 | +38.6% | 2.17% | +52.1% |
| Q3 2018 | $2,214,000 | -2.0% | 33,975 | 0.0% | 1.43% | -6.9% |
| Q2 2018 | $2,259,000 | +28.4% | 33,975 | 0.0% | 1.54% | +32.4% |
| Q1 2018 | $1,760,000 | +4.1% | 33,975 | -12.8% | 1.16% | +17.0% |
| Q4 2017 | $1,690,000 | -1.1% | 38,975 | 0.0% | 0.99% | +12.2% |
| Q3 2017 | $1,709,000 | +61.5% | 38,975 | 0.0% | 0.88% | +57.7% |
| Q2 2017 | $1,058,000 | +20.0% | 38,975 | 0.0% | 0.56% | +14.3% |
| Q1 2017 | $882,000 | +5.6% | 38,975 | 0.0% | 0.49% | -4.7% |
| Q4 2016 | $835,000 | -3.0% | 38,975 | 0.0% | 0.51% | +2.2% |
| Q3 2016 | $861,000 | +23.7% | 38,975 | 0.0% | 0.50% | -0.4% |
| Q2 2016 | $696,000 | +3.4% | 38,975 | 0.0% | 0.50% | +5.2% |
| Q1 2016 | $673,000 | -18.5% | 38,975 | 0.0% | 0.48% | +0.8% |
| Q4 2015 | $826,000 | +12.2% | 38,975 | 0.0% | 0.48% | +0.4% |
| Q3 2015 | $736,000 | -17.7% | 38,975 | 0.0% | 0.47% | +0.4% |
| Q2 2015 | $894,000 | -15.0% | 38,975 | 0.0% | 0.47% | -14.6% |
| Q1 2015 | $1,052,000 | -6.7% | 38,975 | 0.0% | 0.55% | -15.4% |
| Q4 2014 | $1,127,000 | – | 38,975 | – | 0.65% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,795,462 | $393,889,000 | 51.91% |
| Birchview Capital, LP | 117,288 | $25,730,000 | 8.60% |
| Asymmetry Capital Management, L.P. | 39,314 | $8,625,000 | 5.54% |
| Trellus Management Company, LLC | 19,000 | $4,168,000 | 4.27% |
| Brown Capital Management | 2,305,481 | $505,776,000 | 4.19% |
| Trellus Management Company, LLC | 16,910 | $3,710,000 | 3.80% |
| Cannell & Co. | 460,146 | $100,947,000 | 3.71% |
| Soleus Capital Management, L.P. | 30,751 | $6,746,000 | 3.58% |
| GAGNON SECURITIES LLC | 57,725 | $12,664,000 | 2.70% |
| Parian Global Management LP | 30,800 | $6,757,000 | 2.14% |