QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 354 filers reported holding QUIDEL CORP in Q1 2022. The put-call ratio across all filers is 1.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $4,754,000 | -67.0% | 42,139 | -61.1% | 0.01% | -58.8% |
| Q4 2021 | $14,424,000 | +9.2% | 108,371 | +14.9% | 0.02% | +21.4% |
| Q3 2021 | $13,207,000 | -4.2% | 94,332 | -9.6% | 0.01% | -33.3% |
| Q2 2021 | $13,784,000 | +30.0% | 104,323 | +24.4% | 0.02% | +31.2% |
| Q1 2021 | $10,601,000 | -54.6% | 83,867 | -33.7% | 0.02% | -56.8% |
| Q4 2020 | $23,374,000 | +29.1% | 126,405 | +50.1% | 0.04% | -15.9% |
| Q3 2020 | $18,105,000 | +105.6% | 84,208 | +101.2% | 0.04% | +91.3% |
| Q2 2020 | $8,808,000 | +876.5% | 41,855 | +241.2% | 0.02% | +1050.0% |
| Q4 2019 | $902,000 | +89.5% | 12,268 | +55.3% | 0.00% | +100.0% |
| Q3 2019 | $476,000 | -50.8% | 7,900 | -60.8% | 0.00% | -50.0% |
| Q4 2018 | $968,000 | -28.2% | 20,152 | -2.6% | 0.00% | -33.3% |
| Q3 2018 | $1,349,000 | +98.7% | 20,700 | +58.0% | 0.00% | +50.0% |
| Q2 2018 | $679,000 | 0.0% | 13,103 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $679,000 | -75.5% | 13,103 | -79.5% | 0.00% | -80.0% |
| Q4 2017 | $2,777,000 | +584.0% | 64,056 | +591.2% | 0.01% | +400.0% |
| Q3 2017 | $406,000 | – | 9,268 | – | 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% |