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 | $919,000 | +24.5% | 8,166 | +49.5% | 0.01% | -30.8% |
| Q4 2021 | $738,000 | +143.6% | 5,462 | +154.6% | 0.01% | +62.5% |
| Q3 2021 | $303,000 | -3.8% | 2,145 | -12.6% | 0.01% | 0.0% |
| Q2 2021 | $315,000 | -48.7% | 2,455 | -48.9% | 0.01% | -20.0% |
| Q1 2021 | $614,000 | +39.5% | 4,803 | +96.0% | 0.01% | -23.1% |
| Q4 2020 | $440,000 | -67.0% | 2,451 | -59.6% | 0.01% | -13.3% |
| Q3 2020 | $1,332,000 | -24.1% | 6,073 | -22.6% | 0.02% | -79.2% |
| Q2 2020 | $1,756,000 | +58433.3% | 7,845 | +15910.2% | 0.07% | – |
| Q3 2019 | $3,000 | -91.4% | 49 | -91.7% | 0.00% | -100.0% |
| Q2 2019 | $35,000 | +169.2% | 589 | +190.1% | 0.00% | +100.0% |
| Q1 2019 | $13,000 | +333.3% | 203 | +420.5% | 0.00% | – |
| Q2 2018 | $3,000 | -66.7% | 39 | -80.4% | 0.00% | -100.0% |
| Q4 2017 | $9,000 | -84.2% | 199 | -84.6% | 0.00% | -80.0% |
| Q3 2017 | $57,000 | +2750.0% | 1,291 | +1191.0% | 0.01% | – |
| Q4 2016 | $2,000 | -95.2% | 100 | -94.8% | 0.00% | -100.0% |
| Q3 2016 | $42,000 | +50.0% | 1,913 | +22.0% | 0.00% | +33.3% |
| Q2 2016 | $28,000 | -54.8% | 1,568 | -52.0% | 0.00% | -50.0% |
| Q3 2015 | $62,000 | +1.6% | 3,267 | +22.0% | 0.01% | +20.0% |
| Q2 2015 | $61,000 | -37.1% | 2,678 | -19.7% | 0.01% | -44.4% |
| Q4 2014 | $97,000 | +321.7% | 3,337 | +282.2% | 0.01% | +200.0% |
| Q3 2014 | $23,000 | +155.6% | 873 | +101.6% | 0.00% | +200.0% |
| Q2 2014 | $9,000 | -25.0% | 433 | -5.3% | 0.00% | -50.0% |
| Q1 2014 | $12,000 | -45.5% | 457 | -36.2% | 0.00% | -50.0% |
| Q4 2013 | $22,000 | -8.3% | 716 | -16.5% | 0.00% | +33.3% |
| Q3 2013 | $24,000 | – | 857 | – | 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% |