QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 352 filers reported holding QUIDEL CORP in Q1 2021. The put-call ratio across all filers is 1.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $8,557,000 | -37.2% | 76,085 | -24.6% | 0.00% | -42.9% |
| Q4 2021 | $13,626,000 | +13.6% | 100,941 | +18.8% | 0.01% | 0.0% |
| Q3 2021 | $11,991,000 | +36.7% | 84,951 | +24.1% | 0.01% | +40.0% |
| Q2 2021 | $8,769,000 | +34.2% | 68,445 | +34.0% | 0.01% | +25.0% |
| Q1 2021 | $6,532,000 | -51.3% | 51,061 | -31.6% | 0.00% | -50.0% |
| Q4 2020 | $13,405,000 | -23.4% | 74,620 | -6.5% | 0.01% | -38.5% |
| Q3 2020 | $17,507,000 | +7.7% | 79,801 | +9.8% | 0.01% | +8.3% |
| Q2 2020 | $16,258,000 | +122.3% | 72,663 | -2.8% | 0.01% | +71.4% |
| Q1 2020 | $7,312,000 | +117.0% | 74,753 | +66.5% | 0.01% | +250.0% |
| Q4 2019 | $3,369,000 | +10.9% | 44,902 | -9.3% | 0.00% | 0.0% |
| Q3 2019 | $3,037,000 | -0.4% | 49,511 | -3.7% | 0.00% | -33.3% |
| Q2 2019 | $3,050,000 | -15.0% | 51,422 | -6.2% | 0.00% | 0.0% |
| Q1 2019 | $3,590,000 | +39.4% | 54,832 | +3.9% | 0.00% | 0.0% |
| Q4 2018 | $2,576,000 | -37.1% | 52,768 | -16.1% | 0.00% | -25.0% |
| Q3 2018 | $4,098,000 | -38.3% | 62,880 | -37.0% | 0.00% | -33.3% |
| Q2 2018 | $6,641,000 | +34.5% | 99,869 | +4.8% | 0.01% | +20.0% |
| Q1 2018 | $4,939,000 | +89.2% | 95,325 | +58.3% | 0.01% | +66.7% |
| Q4 2017 | $2,610,000 | +32.2% | 60,204 | +33.7% | 0.00% | +50.0% |
| Q3 2017 | $1,975,000 | +180.1% | 45,020 | +73.3% | 0.00% | +100.0% |
| Q2 2017 | $705,000 | -15.1% | 25,977 | -29.2% | 0.00% | 0.0% |
| Q1 2017 | $830,000 | -14.6% | 36,670 | -19.1% | 0.00% | 0.0% |
| Q4 2016 | $972,000 | -7.2% | 45,355 | -4.3% | 0.00% | -50.0% |
| Q3 2016 | $1,047,000 | +3.8% | 47,376 | -16.1% | 0.00% | 0.0% |
| Q2 2016 | $1,009,000 | +1.8% | 56,497 | -1.6% | 0.00% | 0.0% |
| Q1 2016 | $991,000 | +30.9% | 57,439 | +60.9% | 0.00% | +100.0% |
| Q4 2015 | $757,000 | +6.0% | 35,697 | -5.6% | 0.00% | 0.0% |
| Q3 2015 | $714,000 | -2.5% | 37,803 | +18.6% | 0.00% | 0.0% |
| Q2 2015 | $732,000 | -34.0% | 31,874 | -22.5% | 0.00% | -50.0% |
| Q1 2015 | $1,109,000 | -7.3% | 41,121 | -0.5% | 0.00% | -33.3% |
| Q4 2014 | $1,196,000 | +7.9% | 41,344 | +0.3% | 0.00% | +50.0% |
| Q3 2014 | $1,108,000 | +52.4% | 41,231 | +25.3% | 0.00% | 0.0% |
| Q2 2014 | $727,000 | -18.8% | 32,900 | +0.3% | 0.00% | 0.0% |
| Q1 2014 | $895,000 | -4.5% | 32,788 | +8.1% | 0.00% | 0.0% |
| Q4 2013 | $937,000 | +10.6% | 30,342 | +1.8% | 0.00% | 0.0% |
| Q3 2013 | $847,000 | +44.3% | 29,820 | +29.7% | 0.00% | 0.0% |
| Q2 2013 | $587,000 | – | 23,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 3,256,957 | $88,914,926,000 | 10.16% |
| Wood Investment Counsel LLC | 749,669 | $20,466,000 | 3.32% |
| First Light Asset Management, LLC | 159,662 | $4,359,000 | 3.09% |
| Brown Capital Management | 3,521,596 | $96,140,000 | 1.58% |
| 1492 Capital Management LLC | 115,996 | $3,167,000 | 1.57% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 320,160 | $8,740,000 | 1.43% |
| WALL STREET ASSOCIATES | 631,100 | $17,229,000 | 1.41% |
| RK Capital | 228,504 | $6,238,000 | 1.26% |
| ArrowMark Colorado Holdings LLC | 705,254 | $19,253,000 | 0.63% |
| Trellus Management Company, LLC | 21,836 | $596,000 | 0.53% |