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 | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $1,142,000 | +5610.0% | 11,751 | +6614.9% | 0.07% | +6500.0% |
| Q1 2022 | $20,000 | +66.7% | 175 | +113.4% | 0.00% | 0.0% |
| Q3 2021 | $12,000 | -68.4% | 82 | -72.3% | 0.00% | -50.0% |
| Q2 2021 | $38,000 | -90.1% | 296 | -90.1% | 0.00% | -90.0% |
| Q1 2021 | $383,000 | +2635.7% | 2,989 | +3636.2% | 0.02% | +566.7% |
| Q4 2020 | $14,000 | -97.1% | 80 | -96.4% | 0.00% | -90.3% |
| Q3 2020 | $483,000 | +48.6% | 2,204 | +51.3% | 0.03% | +47.6% |
| Q2 2020 | $325,000 | +2.8% | 1,457 | -55.0% | 0.02% | -16.0% |
| Q1 2020 | $316,000 | +1875.0% | 3,239 | +852.6% | 0.02% | +2400.0% |
| Q4 2018 | $16,000 | -90.8% | 340 | -87.2% | 0.00% | -92.3% |
| Q3 2018 | $173,000 | -99.5% | 2,659 | +383.5% | 0.01% | +333.3% |
| Q2 2018 | $36,576,000 | – | 550 | – | 0.00% | – |
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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% |