QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 166 filers reported holding QUIDEL CORP in Q2 2018. The put-call ratio across all filers is 0.33 and the average weighting 0.4%.
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 | 3,256,957 | $88,914,926,000 | 10.16% |
| Wood Investment Counsel LLC | 749,669 | $20,466,000 | 3.32% |
| First Light Asset Management, LLC | 159,662 | $4,359,000 | 3.09% |
| Brown Capital Management | 3,521,596 | $96,140,000 | 1.58% |
| 1492 Capital Management LLC | 115,996 | $3,167,000 | 1.57% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 320,160 | $8,740,000 | 1.43% |
| WALL STREET ASSOCIATES | 631,100 | $17,229,000 | 1.41% |
| RK Capital | 228,504 | $6,238,000 | 1.26% |
| ArrowMark Colorado Holdings LLC | 705,254 | $19,253,000 | 0.63% |
| Trellus Management Company, LLC | 21,836 | $596,000 | 0.53% |