QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 338 filers reported holding QUIDEL CORP in Q2 2021. The put-call ratio across all filers is 0.86 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $5,590,000 | +7.7% | 49,718 | +29.3% | 0.01% | 0.0% |
| Q4 2021 | $5,189,000 | +22.5% | 38,447 | +28.0% | 0.01% | +20.0% |
| Q3 2021 | $4,237,000 | -37.6% | 30,026 | -43.4% | 0.01% | -37.5% |
| Q2 2021 | $6,792,000 | +411.8% | 53,025 | +410.9% | 0.01% | +300.0% |
| Q1 2021 | $1,327,000 | +667.1% | 10,379 | +975.5% | 0.00% | – |
| Q4 2020 | $173,000 | -99.3% | 965 | -99.1% | 0.00% | -100.0% |
| Q3 2020 | $24,527,000 | +62.5% | 111,805 | +65.7% | 0.03% | +47.8% |
| Q2 2020 | $15,092,000 | +23481.2% | 67,461 | +7690.0% | 0.02% | – |
| Q4 2019 | $64,000 | +93.9% | 866 | +57.5% | 0.00% | – |
| Q3 2019 | $33,000 | -96.9% | 550 | -96.6% | 0.00% | -100.0% |
| Q2 2018 | $1,060,000 | -76.4% | 15,943 | -81.6% | 0.00% | -75.0% |
| Q1 2018 | $4,498,000 | +620.8% | 86,832 | +503.1% | 0.01% | +700.0% |
| Q4 2017 | $624,000 | – | 14,397 | – | 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% |