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 | $1,129,000 | -16.7% | 10,036 | 0.0% | 0.04% | -10.9% |
| Q4 2021 | $1,355,000 | -4.4% | 10,036 | 0.0% | 0.05% | -11.5% |
| Q3 2021 | $1,417,000 | +4.5% | 10,036 | -5.1% | 0.05% | +6.1% |
| Q2 2021 | $1,356,000 | +0.2% | 10,580 | 0.0% | 0.05% | -5.8% |
| Q1 2021 | $1,353,000 | -28.8% | 10,580 | 0.0% | 0.05% | -40.2% |
| Q4 2020 | $1,901,000 | -19.8% | 10,580 | -2.1% | 0.09% | -18.7% |
| Q3 2020 | $2,371,000 | -4.2% | 10,807 | -2.3% | 0.11% | -9.3% |
| Q2 2020 | $2,474,000 | +703.2% | 11,056 | +251.5% | 0.12% | +594.1% |
| Q1 2020 | $308,000 | +36.3% | 3,145 | +4.4% | 0.02% | +70.0% |
| Q4 2019 | $226,000 | +22.2% | 3,013 | 0.0% | 0.01% | +25.0% |
| Q3 2019 | $185,000 | +3.4% | 3,013 | 0.0% | 0.01% | 0.0% |
| Q2 2019 | $179,000 | -0.6% | 3,013 | +9.5% | 0.01% | 0.0% |
| Q1 2019 | $180,000 | +34.3% | 2,752 | 0.0% | 0.01% | +14.3% |
| Q4 2018 | $134,000 | -25.1% | 2,752 | 0.0% | 0.01% | -12.5% |
| Q3 2018 | $179,000 | -2.2% | 2,752 | 0.0% | 0.01% | -11.1% |
| Q2 2018 | $183,000 | +46.4% | 2,752 | +13.7% | 0.01% | +50.0% |
| Q1 2018 | $125,000 | +30.2% | 2,421 | +9.0% | 0.01% | +50.0% |
| Q4 2017 | $96,000 | +24.7% | 2,221 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $77,000 | +28.3% | 2,221 | 0.0% | 0.00% | +33.3% |
| Q2 2017 | $60,000 | +20.0% | 2,221 | 0.0% | 0.00% | +50.0% |
| Q1 2017 | $50,000 | – | 2,221 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,090,309 | $139,483,000 | 20.89% |
| Birchview Capital, LP | 58,644 | $7,502,000 | 4.45% |
| Brown Capital Management | 2,266,241 | $289,920,000 | 2.16% |
| RTW INVESTMENTS, LP | 878,533 | $112,391,000 | 1.76% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 51,610 | $6,602,000 | 1.33% |
| AMERICAN CAPITAL MANAGEMENT INC | 316,217 | $40,454,000 | 1.22% |
| Senvest Management, LLC | 278,037 | $35,569,000 | 1.12% |
| Cannell & Co. | 274,444 | $35,110,000 | 1.10% |
| Fairpointe Capital LLC | 5,637 | $721,000 | 1.09% |
| First Light Asset Management, LLC | 110,170 | $14,094,000 | 0.93% |