QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 115 filers reported holding QUIDEL CORP in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $4,223,000 | -13.5% | 37,556 | +3.9% | 0.00% | +33.3% |
| Q4 2021 | $4,880,000 | -20.4% | 36,153 | -16.8% | 0.00% | 0.0% |
| Q3 2021 | $6,132,000 | +10.4% | 43,438 | +0.2% | 0.00% | 0.0% |
| Q2 2021 | $5,554,000 | -13.1% | 43,339 | -13.3% | 0.00% | 0.0% |
| Q1 2021 | $6,393,000 | -9.4% | 49,978 | +27.2% | 0.00% | 0.0% |
| Q4 2020 | $7,056,000 | -13.6% | 39,276 | +5.5% | 0.00% | -40.0% |
| Q3 2020 | $8,168,000 | -8.3% | 37,232 | -6.5% | 0.01% | -16.7% |
| Q2 2020 | $8,912,000 | +194.8% | 39,829 | +28.8% | 0.01% | +100.0% |
| Q1 2020 | $3,023,000 | +26.0% | 30,916 | -3.4% | 0.00% | +50.0% |
| Q4 2019 | $2,400,000 | +24.0% | 31,991 | +1.4% | 0.00% | 0.0% |
| Q3 2019 | $1,936,000 | +16.6% | 31,559 | +12.7% | 0.00% | +100.0% |
| Q2 2019 | $1,661,000 | -41.0% | 27,996 | -34.8% | 0.00% | -66.7% |
| Q1 2019 | $2,814,000 | +74.5% | 42,967 | +30.1% | 0.00% | +50.0% |
| Q4 2018 | $1,613,000 | -21.0% | 33,025 | +5.4% | 0.00% | 0.0% |
| Q3 2018 | $2,043,000 | -17.6% | 31,342 | -16.0% | 0.00% | 0.0% |
| Q2 2018 | $2,479,000 | +25.8% | 37,296 | -2.0% | 0.00% | 0.0% |
| Q1 2018 | $1,971,000 | +41.8% | 38,040 | +18.6% | 0.00% | +100.0% |
| Q4 2017 | $1,390,000 | -9.4% | 32,070 | -8.4% | 0.00% | 0.0% |
| Q3 2017 | $1,535,000 | +217.1% | 35,015 | +96.3% | 0.00% | – |
| Q2 2017 | $484,000 | +18.6% | 17,835 | -1.2% | 0.00% | – |
| Q1 2017 | $408,000 | -31.1% | 18,043 | -34.7% | 0.00% | -100.0% |
| Q4 2016 | $592,000 | +14.7% | 27,629 | +18.0% | 0.00% | – |
| Q3 2016 | $516,000 | -8.0% | 23,421 | -25.6% | 0.00% | -100.0% |
| Q2 2016 | $561,000 | +51.6% | 31,478 | +46.6% | 0.00% | – |
| Q1 2016 | $370,000 | -29.7% | 21,468 | -13.4% | 0.00% | -100.0% |
| Q4 2015 | $526,000 | +30.2% | 24,799 | +15.9% | 0.00% | – |
| Q3 2015 | $404,000 | -56.5% | 21,393 | -47.1% | 0.00% | -100.0% |
| Q2 2015 | $928,000 | +238.7% | 40,426 | +297.9% | 0.00% | – |
| Q1 2015 | $274,000 | -71.4% | 10,161 | -69.3% | 0.00% | -100.0% |
| Q4 2014 | $959,000 | +202.5% | 33,131 | +180.9% | 0.00% | – |
| Q3 2014 | $317,000 | -61.9% | 11,795 | -68.7% | 0.00% | -100.0% |
| Q2 2014 | $833,000 | +30.8% | 37,667 | +61.3% | 0.00% | 0.0% |
| Q1 2014 | $637,000 | -41.9% | 23,351 | -34.2% | 0.00% | 0.0% |
| Q4 2013 | $1,097,000 | +123.4% | 35,491 | +105.5% | 0.00% | – |
| Q3 2013 | $491,000 | -37.4% | 17,274 | -43.7% | 0.00% | -100.0% |
| Q2 2013 | $784,000 | -36.3% | 30,685 | -40.7% | 0.00% | 0.0% |
| Q1 2013 | $1,231,000 | – | 51,789 | – | 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% |