QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 317 filers reported holding QUIDEL CORP in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,006,000 | -21.3% | 8,945 | -5.6% | 0.06% | -25.3% |
| Q4 2021 | $1,279,000 | -4.3% | 9,475 | 0.0% | 0.08% | -24.5% |
| Q3 2021 | $1,337,000 | +10.1% | 9,475 | 0.0% | 0.11% | +5.8% |
| Q2 2021 | $1,214,000 | +0.2% | 9,475 | 0.0% | 0.10% | -10.3% |
| Q1 2021 | $1,212,000 | -28.8% | 9,475 | 0.0% | 0.12% | -36.6% |
| Q4 2020 | $1,702,000 | -18.2% | 9,475 | -0.1% | 0.18% | -28.2% |
| Q3 2020 | $2,080,000 | -1.9% | 9,481 | +0.1% | 0.26% | -10.8% |
| Q2 2020 | $2,120,000 | +128.7% | 9,475 | 0.0% | 0.29% | +107.2% |
| Q1 2020 | $927,000 | +17.3% | 9,475 | -10.0% | 0.14% | +4.5% |
| Q4 2019 | $790,000 | +21.0% | 10,525 | -1.2% | 0.13% | +11.9% |
| Q3 2019 | $653,000 | -1.4% | 10,650 | -4.6% | 0.12% | -5.6% |
| Q2 2019 | $662,000 | -11.0% | 11,165 | -1.8% | 0.12% | -23.8% |
| Q1 2019 | $744,000 | +24.2% | 11,365 | -7.3% | 0.16% | +5.8% |
| Q4 2018 | $599,000 | -25.7% | 12,265 | -0.9% | 0.16% | -29.9% |
| Q3 2018 | $806,000 | -2.4% | 12,375 | -0.4% | 0.22% | -12.6% |
| Q2 2018 | $826,000 | +26.3% | 12,425 | -1.6% | 0.25% | +18.8% |
| Q1 2018 | $654,000 | +2.2% | 12,629 | -14.5% | 0.21% | -2.7% |
| Q4 2017 | $640,000 | – | 14,775 | – | 0.22% | – |
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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% |