QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 317 filers reported holding QUIDEL CORP in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $425,000 | -28.1% | 3,775 | -13.7% | 0.00% | 0.0% |
| Q4 2021 | $591,000 | +19.2% | 4,376 | +24.5% | 0.00% | 0.0% |
| Q3 2021 | $496,000 | -10.5% | 3,514 | -18.7% | 0.00% | -50.0% |
| Q2 2021 | $554,000 | +17.4% | 4,324 | +17.3% | 0.00% | +100.0% |
| Q1 2021 | $472,000 | -28.7% | 3,686 | 0.0% | 0.00% | -50.0% |
| Q4 2020 | $662,000 | -6.8% | 3,686 | +13.9% | 0.00% | -33.3% |
| Q3 2020 | $710,000 | +25.4% | 3,237 | +28.0% | 0.00% | 0.0% |
| Q2 2020 | $566,000 | +177.5% | 2,528 | +21.2% | 0.00% | +200.0% |
| Q1 2020 | $204,000 | -43.3% | 2,085 | -56.6% | 0.00% | -50.0% |
| Q4 2019 | $360,000 | +45.7% | 4,800 | +19.0% | 0.00% | +100.0% |
| Q3 2019 | $247,000 | +14.9% | 4,033 | +11.3% | 0.00% | 0.0% |
| Q2 2019 | $215,000 | -11.5% | 3,625 | -2.4% | 0.00% | 0.0% |
| Q1 2019 | $243,000 | -11.0% | 3,716 | -11.1% | 0.00% | -50.0% |
| Q3 2018 | $273,000 | -4.9% | 4,182 | -3.2% | 0.00% | 0.0% |
| Q2 2018 | $287,000 | -5.6% | 4,321 | -61.8% | 0.00% | -50.0% |
| Q3 2014 | $304,000 | -1.0% | 11,320 | -18.5% | 0.00% | 0.0% |
| Q2 2014 | $307,000 | -60.4% | 13,891 | -51.2% | 0.00% | -60.0% |
| Q1 2014 | $776,000 | +54.0% | 28,439 | +60.3% | 0.01% | -16.7% |
| Q3 2013 | $504,000 | +7.5% | 17,739 | -3.3% | 0.01% | +33.3% |
| Q2 2013 | $469,000 | – | 18,351 | – | 0.01% | – |
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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% |