QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 172 filers reported holding QUIDEL CORP in Q3 2018. The put-call ratio across all filers is 0.39 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $33,000 | -17.5% | 299 | 0.0% | 0.00% | – |
| Q4 2021 | $40,000 | -4.8% | 299 | 0.0% | 0.00% | – |
| Q3 2021 | $42,000 | -90.7% | 299 | -91.5% | 0.00% | -100.0% |
| Q2 2021 | $451,000 | 0.0% | 3,532 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $451,000 | -92.8% | 3,532 | -89.9% | 0.00% | -91.7% |
| Q4 2020 | $6,278,000 | -31.7% | 34,935 | -16.7% | 0.02% | -38.5% |
| Q3 2020 | $9,197,000 | +2307.6% | 41,920 | +2352.9% | 0.04% | +1850.0% |
| Q2 2020 | $382,000 | +46.4% | 1,709 | -36.1% | 0.00% | +100.0% |
| Q1 2020 | $261,000 | -36.7% | 2,673 | -51.4% | 0.00% | -50.0% |
| Q4 2019 | $412,000 | +649.1% | 5,499 | +543.2% | 0.00% | – |
| Q3 2018 | $55,000 | -96.4% | 855 | -96.2% | 0.00% | -100.0% |
| Q2 2018 | $1,514,000 | +356.0% | 22,754 | +196.6% | 0.01% | +600.0% |
| Q4 2017 | $332,000 | -82.1% | 7,671 | -81.9% | 0.00% | -87.5% |
| Q3 2017 | $1,858,000 | -42.8% | 42,339 | -64.7% | 0.01% | -46.7% |
| Q2 2017 | $3,250,000 | +466.2% | 119,797 | +342.4% | 0.02% | +400.0% |
| Q4 2015 | $574,000 | – | 27,080 | – | 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% |