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 | $492,000 | -19.3% | 4,372 | -3.7% | 0.00% | 0.0% |
| Q4 2021 | $610,000 | -0.5% | 4,541 | +4.3% | 0.00% | -50.0% |
| Q3 2021 | $613,000 | +9.3% | 4,354 | -0.8% | 0.00% | 0.0% |
| Q2 2021 | $561,000 | -15.0% | 4,391 | -15.1% | 0.00% | 0.0% |
| Q1 2021 | $660,000 | +15.0% | 5,175 | +61.8% | 0.00% | 0.0% |
| Q4 2020 | $574,000 | -28.3% | 3,198 | -12.1% | 0.00% | -50.0% |
| Q3 2020 | $801,000 | +43.5% | 3,640 | +46.3% | 0.00% | +33.3% |
| Q2 2020 | $558,000 | -72.3% | 2,488 | -87.9% | 0.00% | -76.9% |
| Q1 2020 | $2,011,000 | – | 20,567 | – | 0.01% | – |
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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% |