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 | $653,000 | -14.9% | 5,809 | +2.3% | 0.00% | -25.0% |
| Q4 2021 | $767,000 | +38.9% | 5,681 | +45.3% | 0.00% | +33.3% |
| Q3 2021 | $552,000 | +15.0% | 3,909 | +4.4% | 0.00% | 0.0% |
| Q2 2021 | $480,000 | -7.5% | 3,743 | -7.7% | 0.00% | 0.0% |
| Q1 2021 | $519,000 | -37.9% | 4,057 | -12.8% | 0.00% | -40.0% |
| Q4 2020 | $836,000 | -12.6% | 4,651 | +6.6% | 0.01% | -28.6% |
| Q3 2020 | $957,000 | -1.9% | 4,362 | 0.0% | 0.01% | -12.5% |
| Q2 2020 | $976,000 | +199.4% | 4,362 | +30.8% | 0.01% | +166.7% |
| Q1 2020 | $326,000 | +46.2% | 3,336 | +12.2% | 0.00% | +50.0% |
| Q4 2019 | $223,000 | +81.3% | 2,974 | +48.3% | 0.00% | +100.0% |
| Q3 2019 | $123,000 | +3.4% | 2,005 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $119,000 | -9.2% | 2,005 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $131,000 | +13.9% | 2,005 | -14.8% | 0.00% | 0.0% |
| Q4 2018 | $115,000 | -12.9% | 2,353 | +16.5% | 0.00% | 0.0% |
| Q3 2018 | $132,000 | -1.5% | 2,020 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $134,000 | +8.1% | 2,020 | -15.3% | 0.00% | 0.0% |
| Q1 2018 | $124,000 | +20.4% | 2,385 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $103,000 | +27.2% | 2,385 | +29.4% | 0.00% | 0.0% |
| Q3 2017 | $81,000 | +62.0% | 1,843 | 0.0% | 0.00% | – |
| Q2 2017 | $50,000 | +19.0% | 1,843 | 0.0% | 0.00% | – |
| Q1 2017 | $42,000 | +7.7% | 1,843 | 0.0% | 0.00% | – |
| Q4 2016 | $39,000 | -4.9% | 1,843 | 0.0% | 0.00% | – |
| Q3 2016 | $41,000 | +46.4% | 1,843 | +16.7% | 0.00% | – |
| Q2 2016 | $28,000 | +3.7% | 1,579 | 0.0% | 0.00% | – |
| Q1 2016 | $27,000 | -18.2% | 1,579 | 0.0% | 0.00% | – |
| Q4 2015 | $33,000 | +312.5% | 1,579 | +292.8% | 0.00% | – |
| Q3 2015 | $8,000 | +100.0% | 402 | +143.6% | 0.00% | – |
| Q2 2015 | $4,000 | 0.0% | 165 | 0.0% | 0.00% | – |
| Q1 2015 | $4,000 | – | 165 | – | 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% |