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 | $3,024,000 | -18.1% | 26,887 | -1.7% | 0.04% | -8.9% |
| Q4 2021 | $3,691,000 | -6.7% | 27,341 | -2.4% | 0.04% | -8.2% |
| Q3 2021 | $3,956,000 | +7.0% | 28,026 | -2.9% | 0.05% | +14.0% |
| Q2 2021 | $3,697,000 | +0.4% | 28,856 | +0.3% | 0.04% | -6.5% |
| Q1 2021 | $3,681,000 | -33.3% | 28,771 | -6.4% | 0.05% | -34.3% |
| Q4 2020 | $5,522,000 | -32.0% | 30,738 | -17.0% | 0.07% | -35.8% |
| Q3 2020 | $8,120,000 | +20.2% | 37,014 | +22.6% | 0.11% | +1.9% |
| Q2 2020 | $6,756,000 | – | 30,196 | – | 0.11% | – |
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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% |