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 | $8,897,000 | -16.6% | 79,115 | +0.1% | 0.02% | -12.0% |
| Q4 2021 | $10,672,000 | -3.4% | 79,059 | +1.0% | 0.02% | -10.7% |
| Q3 2021 | $11,045,000 | +11.0% | 78,253 | +0.8% | 0.03% | +7.7% |
| Q2 2021 | $9,948,000 | +0.2% | 77,646 | +0.1% | 0.03% | -7.1% |
| Q1 2021 | $9,927,000 | -31.1% | 77,598 | -3.3% | 0.03% | -34.9% |
| Q4 2020 | $14,417,000 | -18.3% | 80,248 | -0.2% | 0.04% | -28.3% |
| Q3 2020 | $17,644,000 | -26.7% | 80,426 | -25.2% | 0.06% | -34.1% |
| Q2 2020 | $24,069,000 | +135.6% | 107,575 | +3.0% | 0.09% | +93.6% |
| Q1 2020 | $10,215,000 | +20.9% | 104,434 | -7.2% | 0.05% | +56.7% |
| Q4 2019 | $8,447,000 | +22.8% | 112,584 | +0.4% | 0.03% | +11.1% |
| Q3 2019 | $6,877,000 | +3.4% | 112,100 | 0.0% | 0.03% | +3.8% |
| Q2 2019 | $6,650,000 | -10.7% | 112,100 | -1.5% | 0.03% | -40.9% |
| Q1 2019 | $7,450,000 | +34.5% | 113,795 | +0.3% | 0.04% | +15.8% |
| Q4 2018 | $5,541,000 | -23.0% | 113,503 | +0.8% | 0.04% | -15.6% |
| Q3 2018 | $7,193,000 | -23.1% | 112,595 | -19.9% | 0.04% | -28.6% |
| Q2 2018 | $9,350,000 | +27.9% | 140,595 | -0.4% | 0.06% | +23.5% |
| Q1 2018 | $7,310,000 | +19.6% | 141,095 | +0.1% | 0.05% | +18.6% |
| Q4 2017 | $6,112,000 | +2.5% | 141,000 | +3.7% | 0.04% | -4.4% |
| Q3 2017 | $5,965,000 | +48.5% | 136,000 | -8.1% | 0.04% | +45.2% |
| Q2 2017 | $4,017,000 | +38.6% | 148,000 | +15.6% | 0.03% | +34.8% |
| Q1 2017 | $2,898,000 | -5.4% | 128,000 | -10.5% | 0.02% | -14.8% |
| Q4 2016 | $3,063,000 | -12.2% | 143,000 | -9.5% | 0.03% | -12.9% |
| Q3 2016 | $3,490,000 | -35.0% | 158,000 | -47.5% | 0.03% | -36.7% |
| Q2 2016 | $5,373,000 | +38.8% | 300,847 | +34.2% | 0.05% | +32.4% |
| Q1 2016 | $3,870,000 | -11.1% | 224,208 | +9.2% | 0.04% | -15.9% |
| Q4 2015 | $4,351,000 | +11.8% | 205,226 | -0.4% | 0.04% | +7.3% |
| Q3 2015 | $3,891,000 | -20.9% | 206,110 | -3.8% | 0.04% | -14.6% |
| Q2 2015 | $4,918,000 | – | 214,304 | – | 0.05% | – |
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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% |