QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 172 filers reported holding QUIDEL CORP in Q3 2018. The put-call ratio across all filers is 0.39 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $60,729,000 | +60.4% | 540,004 | +92.5% | 0.03% | +68.4% |
| Q4 2021 | $37,872,000 | +464.9% | 280,554 | +490.8% | 0.02% | +375.0% |
| Q3 2021 | $6,704,000 | +13.4% | 47,490 | +2.9% | 0.00% | +33.3% |
| Q2 2021 | $5,914,000 | +128.6% | 46,156 | +128.2% | 0.00% | +50.0% |
| Q1 2021 | $2,587,000 | -89.1% | 20,222 | -84.7% | 0.00% | -88.2% |
| Q4 2020 | $23,669,000 | -21.1% | 131,751 | -3.7% | 0.02% | -54.1% |
| Q3 2020 | $30,006,000 | -22.8% | 136,777 | -21.3% | 0.04% | -30.2% |
| Q2 2020 | $38,886,000 | +412.6% | 173,802 | +124.1% | 0.05% | +211.8% |
| Q1 2020 | $7,586,000 | -54.4% | 77,555 | -65.0% | 0.02% | -19.0% |
| Q4 2019 | $16,618,000 | +36.1% | 221,487 | +11.3% | 0.02% | +10.5% |
| Q3 2019 | $12,206,000 | +272.5% | 198,959 | +297.5% | 0.02% | +280.0% |
| Q1 2019 | $3,277,000 | +80.2% | 50,050 | +34.3% | 0.01% | +66.7% |
| Q4 2018 | $1,819,000 | -92.8% | 37,254 | -90.4% | 0.00% | -90.3% |
| Q3 2018 | $25,369,000 | -31.4% | 389,271 | -30.0% | 0.03% | -35.4% |
| Q2 2018 | $36,971,000 | -28.4% | 555,948 | -44.2% | 0.05% | -30.4% |
| Q1 2018 | $51,645,000 | +105.5% | 996,815 | +72.0% | 0.07% | +97.1% |
| Q4 2017 | $25,130,000 | +2346.9% | 579,709 | +2374.6% | 0.04% | +1650.0% |
| Q3 2017 | $1,027,000 | -86.9% | 23,426 | -91.9% | 0.00% | -85.7% |
| Q2 2017 | $7,832,000 | -24.2% | 288,590 | -36.7% | 0.01% | -26.3% |
| Q1 2017 | $10,329,000 | +25.4% | 456,229 | +18.6% | 0.02% | +11.8% |
| Q4 2016 | $8,238,000 | +17.8% | 384,587 | +21.4% | 0.02% | +41.7% |
| Q3 2016 | $6,995,000 | +109.4% | 316,665 | +69.3% | 0.01% | +50.0% |
| Q2 2016 | $3,340,000 | -32.7% | 186,992 | -34.9% | 0.01% | -33.3% |
| Q1 2016 | $4,960,000 | +37.5% | 287,354 | +68.9% | 0.01% | +50.0% |
| Q4 2015 | $3,607,000 | -37.4% | 170,123 | -44.2% | 0.01% | -27.3% |
| Q3 2015 | $5,761,000 | -34.3% | 305,146 | -20.1% | 0.01% | -35.3% |
| Q2 2015 | $8,765,000 | +18.5% | 381,897 | +39.3% | 0.02% | +21.4% |
| Q1 2015 | $7,396,000 | -13.8% | 274,115 | -7.7% | 0.01% | -22.2% |
| Q4 2014 | $8,584,000 | +1398.1% | 296,828 | +1044.5% | 0.02% | +800.0% |
| Q2 2014 | $573,000 | -46.3% | 25,935 | -25.0% | 0.00% | -33.3% |
| Q4 2013 | $1,068,000 | +57.1% | 34,567 | +29.8% | 0.00% | +50.0% |
| Q2 2013 | $680,000 | – | 26,626 | – | 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% |