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 | $929,000 | +85.4% | 8,258 | +122.3% | 0.05% | +173.7% |
| Q4 2021 | $501,000 | +3.5% | 3,714 | +8.2% | 0.02% | -24.0% |
| Q3 2021 | $484,000 | -64.7% | 3,431 | -68.0% | 0.02% | -57.6% |
| Q2 2021 | $1,373,000 | -34.2% | 10,715 | -34.3% | 0.06% | -49.1% |
| Q1 2021 | $2,087,000 | +107.2% | 16,313 | +191.1% | 0.12% | +38.1% |
| Q4 2020 | $1,007,000 | +337.8% | 5,603 | +434.1% | 0.08% | +236.0% |
| Q3 2020 | $230,000 | -17.0% | 1,049 | -71.6% | 0.02% | +8.7% |
| Q4 2019 | $277,000 | -36.5% | 3,698 | -47.9% | 0.02% | -14.8% |
| Q3 2019 | $436,000 | +2.1% | 7,100 | -1.4% | 0.03% | -27.0% |
| Q2 2019 | $427,000 | -34.8% | 7,200 | -28.0% | 0.04% | -62.6% |
| Q1 2019 | $655,000 | – | 10,000 | – | 0.10% | – |
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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% |