QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $5,706,445,000 | +313.1% | 50,742 | +395.9% | 0.05% | +370.0% |
| Q4 2021 | $1,381,217,000 | -82.2% | 10,232 | -81.4% | 0.01% | -82.8% |
| Q3 2021 | $7,777,365,000 | -41.6% | 55,100 | -47.0% | 0.06% | -45.3% |
| Q2 2021 | $13,324,480,000 | +83.0% | 104,000 | +82.8% | 0.11% | +32.5% |
| Q1 2021 | $7,279,217,000 | +2378729.1% | 56,900 | +1293.6% | 0.08% | +3900.0% |
| Q4 2019 | $306,000 | +29.1% | 4,083 | +2.1% | 0.00% | 0.0% |
| Q2 2019 | $237,000 | -38.3% | 4,000 | -77.0% | 0.00% | -50.0% |
| Q3 2016 | $384,000 | -29.7% | 17,400 | -26.9% | 0.00% | -42.9% |
| Q2 2015 | $546,000 | – | 23,800 | – | 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% |