QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 400 filers reported holding QUIDEL CORP in Q3 2020. The put-call ratio across all filers is 0.70 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $3,000 | 0.0% | 40 | 0.0% | 0.00% | – |
| Q2 2022 | $3,000 | -40.0% | 40 | -9.1% | 0.00% | – |
| Q1 2022 | $5,000 | +400.0% | 44 | +4300.0% | 0.00% | – |
| Q4 2021 | $1,000 | – | 1 | – | 0.00% | – |
| Q2 2021 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q1 2021 | $19,000 | -5.0% | 153 | +40.4% | 0.00% | -100.0% |
| Q4 2020 | $20,000 | -20.0% | 109 | -3.5% | 0.00% | 0.0% |
| Q3 2020 | $25,000 | +525.0% | 113 | +465.0% | 0.00% | – |
| Q2 2020 | $4,000 | +300.0% | 20 | +100.0% | 0.00% | – |
| Q1 2020 | $1,000 | – | 10 | – | 0.00% | – |
| Q4 2019 | $0 | – | 0 | – | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q1 2019 | $1,000 | -97.3% | 18 | -97.7% | 0.00% | -100.0% |
| Q4 2018 | $37,000 | -43.9% | 772 | -23.8% | 0.00% | -33.3% |
| Q3 2018 | $66,000 | -24.1% | 1,013 | -22.3% | 0.00% | -25.0% |
| Q2 2018 | $87,000 | +770.0% | 1,303 | +454.5% | 0.00% | – |
| Q1 2018 | $10,000 | 0.0% | 235 | 0.0% | 0.00% | – |
| Q4 2017 | $10,000 | 0.0% | 235 | 0.0% | 0.00% | – |
| Q3 2017 | $10,000 | +150.0% | 235 | +74.1% | 0.00% | – |
| Q2 2017 | $4,000 | +33.3% | 135 | 0.0% | 0.00% | – |
| Q1 2017 | $3,000 | 0.0% | 135 | 0.0% | 0.00% | – |
| Q4 2016 | $3,000 | 0.0% | 135 | 0.0% | 0.00% | – |
| Q3 2016 | $3,000 | 0.0% | 135 | -18.7% | 0.00% | – |
| Q2 2016 | $3,000 | +200.0% | 166 | +822.2% | 0.00% | – |
| Q1 2016 | $1,000 | -66.7% | 18 | -86.3% | 0.00% | – |
| Q4 2015 | $3,000 | – | 131 | – | 0.00% | – |
Download | ||||||
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% |