QUIDEL CORP's ticker is and the CUSIP is 74838J951. A total of 1 filers reported holding QUIDEL CORP in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $3,126,000 | +23.2% | 27,800 | +47.9% | 0.00% | 0.0% |
| Q4 2021 | $2,537,000 | -14.2% | 18,800 | -18.3% | 0.00% | 0.0% |
| Q3 2021 | $2,957,000 | +0.8% | 23,000 | +0.4% | 0.00% | 0.0% |
| Q2 2021 | $2,933,000 | -64.0% | 22,900 | +3500.6% | 0.00% | -80.0% |
| Q1 2021 | $8,136,000 | +48.0% | 636 | +107.8% | 0.02% | +114.3% |
| Q4 2020 | $5,497,000 | -31.3% | 306 | -16.2% | 0.01% | -36.4% |
| Q3 2020 | $8,007,000 | -43.7% | 365 | -42.6% | 0.01% | -52.2% |
| Q2 2020 | $14,229,000 | +1448.3% | 636 | +576.6% | 0.02% | +1050.0% |
| Q1 2020 | $919,000 | +13028.6% | 94 | +9300.0% | 0.00% | – |
| Q4 2019 | $7,000 | -93.3% | 1 | -94.1% | 0.00% | – |
| Q3 2019 | $104,000 | -1.9% | 17 | -5.6% | 0.00% | – |
| Q2 2019 | $106,000 | -4.5% | 18 | +5.9% | 0.00% | – |
| Q1 2019 | $111,000 | -9.0% | 17 | -32.0% | 0.00% | – |
| Q4 2018 | $122,000 | -46.5% | 25 | -28.6% | 0.00% | -100.0% |
| Q3 2018 | $228,000 | +590.9% | 35 | +600.0% | 0.00% | – |
| Q2 2018 | $33,000 | – | 5 | +150.0% | 0.00% | – |
| Q1 2018 | $0 | – | 2 | -94.3% | 0.00% | – |
| Q4 2017 | $0 | -100.0% | 35 | -50.7% | 0.00% | – |
| Q3 2017 | $5,000 | – | 71 | +1675.0% | 0.00% | – |
| Q1 2017 | $0 | – | 4 | +100.0% | 0.00% | – |
| Q4 2016 | $0 | -100.0% | 2 | -95.2% | 0.00% | – |
| Q3 2016 | $2,000 | 0.0% | 42 | +82.6% | 0.00% | – |
| Q2 2016 | $2,000 | 0.0% | 23 | +109.1% | 0.00% | – |
| Q3 2015 | $2,000 | – | 11 | +10.0% | 0.00% | – |
| Q2 2015 | $0 | – | 10 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HRT FINANCIAL LP | 3,000 | $423,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 19,200 | $2,710,000 | 0.00% |
| SIMPLEX TRADING, LLC | 23,000 | $2,957,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |