QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $9,964,000 | -10.5% | 88,600 | +7.4% | 0.01% | -14.3% |
| Q4 2021 | $11,137,000 | -6.8% | 82,500 | -2.6% | 0.01% | -12.5% |
| Q3 2021 | $11,955,000 | +10.6% | 84,700 | +0.4% | 0.01% | +14.3% |
| Q2 2021 | $10,813,000 | -2.3% | 84,400 | -2.4% | 0.01% | 0.0% |
| Q1 2021 | $11,066,000 | -27.9% | 86,500 | +1.3% | 0.01% | -36.4% |
| Q4 2020 | $15,342,000 | -18.4% | 85,400 | -0.4% | 0.01% | -26.7% |
| Q3 2020 | $18,801,000 | -0.2% | 85,700 | +1.8% | 0.02% | -6.2% |
| Q2 2020 | $18,839,000 | +164.9% | 84,200 | +15.8% | 0.02% | +100.0% |
| Q1 2020 | $7,111,000 | +32.9% | 72,700 | +2.0% | 0.01% | +60.0% |
| Q4 2019 | $5,350,000 | +29.8% | 71,300 | +6.1% | 0.01% | +25.0% |
| Q3 2019 | $4,123,000 | +5.3% | 67,200 | +1.8% | 0.00% | 0.0% |
| Q2 2019 | $3,915,000 | -1.8% | 66,000 | +8.4% | 0.00% | 0.0% |
| Q1 2019 | $3,987,000 | +39.1% | 60,900 | +3.7% | 0.00% | 0.0% |
| Q4 2018 | $2,866,000 | -20.8% | 58,700 | +5.8% | 0.00% | 0.0% |
| Q3 2018 | $3,617,000 | +5.4% | 55,500 | +7.6% | 0.00% | 0.0% |
| Q2 2018 | $3,431,000 | +33.5% | 51,600 | +4.0% | 0.00% | +33.3% |
| Q1 2018 | $2,570,000 | +25.6% | 49,600 | +5.1% | 0.00% | +50.0% |
| Q4 2017 | $2,046,000 | -1.2% | 47,200 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $2,070,000 | +68.4% | 47,200 | +4.2% | 0.00% | +100.0% |
| Q2 2017 | $1,229,000 | +19.8% | 45,300 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $1,026,000 | +5.8% | 45,300 | 0.0% | 0.00% | -50.0% |
| Q4 2016 | $970,000 | -3.1% | 45,300 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $1,001,000 | +16.0% | 45,300 | -6.2% | 0.00% | +100.0% |
| Q2 2016 | $863,000 | +7.2% | 48,300 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $805,000 | -4.4% | 48,300 | +21.7% | 0.00% | -50.0% |
| Q4 2015 | $842,000 | +12.3% | 39,700 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $750,000 | -6.1% | 39,700 | +14.1% | 0.00% | 0.0% |
| Q2 2015 | $799,000 | -14.9% | 34,800 | 0.0% | 0.00% | -33.3% |
| Q1 2015 | $939,000 | -2.8% | 34,800 | +4.2% | 0.00% | -25.0% |
| Q4 2014 | $966,000 | +7.7% | 33,400 | 0.0% | 0.00% | +33.3% |
| Q3 2014 | $897,000 | +21.5% | 33,400 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $738,000 | -22.6% | 33,400 | -4.3% | 0.00% | -25.0% |
| Q1 2014 | $953,000 | +14.3% | 34,900 | +29.3% | 0.00% | +33.3% |
| Q4 2013 | $834,000 | +8.7% | 27,000 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $767,000 | +3.0% | 27,000 | -7.5% | 0.00% | 0.0% |
| Q2 2013 | $745,000 | – | 29,200 | – | 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% |