QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $2,667,000 | +3.6% | 22,998 | +20.6% | 0.01% | +20.0% |
| Q4 2021 | $2,574,000 | +1.3% | 19,069 | +6.7% | 0.01% | -16.7% |
| Q3 2021 | $2,540,000 | +32.7% | 17,864 | +19.5% | 0.01% | +50.0% |
| Q2 2021 | $1,914,000 | -5.8% | 14,948 | -6.1% | 0.00% | -20.0% |
| Q1 2021 | $2,032,000 | -34.4% | 15,924 | -7.7% | 0.01% | -16.7% |
| Q4 2020 | $3,098,000 | -22.2% | 17,258 | -4.9% | 0.01% | -33.3% |
| Q3 2020 | $3,981,000 | -7.7% | 18,154 | -6.0% | 0.01% | -10.0% |
| Q2 2020 | $4,311,000 | +1659.6% | 19,313 | +674.7% | 0.01% | +900.0% |
| Q1 2020 | $245,000 | +31.7% | 2,493 | 0.0% | 0.00% | – |
| Q4 2019 | $186,000 | -29.5% | 2,493 | -44.1% | 0.00% | -100.0% |
| Q2 2019 | $264,000 | -9.3% | 4,462 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $291,000 | +81.9% | 4,462 | +31.0% | 0.00% | – |
| Q4 2018 | $160,000 | -27.9% | 3,405 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $222,000 | -2.2% | 3,405 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $227,000 | +100.9% | 3,405 | +55.8% | 0.00% | – |
| Q1 2018 | $113,000 | -43.8% | 2,185 | -52.9% | 0.00% | – |
| Q4 2017 | $201,000 | -1.5% | 4,642 | 0.0% | 0.00% | -100.0% |
| Q3 2017 | $204,000 | +325.0% | 4,642 | +162.7% | 0.00% | – |
| Q2 2017 | $48,000 | +20.0% | 1,767 | 0.0% | 0.00% | – |
| Q1 2017 | $40,000 | +5.3% | 1,767 | 0.0% | 0.00% | – |
| Q4 2016 | $38,000 | -51.3% | 1,767 | -50.0% | 0.00% | – |
| Q3 2016 | $78,000 | +151.6% | 3,534 | +100.0% | 0.00% | – |
| Q2 2016 | $31,000 | +3.3% | 1,767 | 0.0% | 0.00% | – |
| Q1 2016 | $30,000 | -18.9% | 1,767 | 0.0% | 0.00% | – |
| Q4 2015 | $37,000 | +12.1% | 1,767 | 0.0% | 0.00% | – |
| Q3 2015 | $33,000 | -17.5% | 1,767 | 0.0% | 0.00% | – |
| Q2 2015 | $40,000 | -16.7% | 1,767 | 0.0% | 0.00% | – |
| Q1 2015 | $48,000 | -5.9% | 1,767 | 0.0% | 0.00% | – |
| Q4 2014 | $51,000 | +6.2% | 1,767 | 0.0% | 0.00% | – |
| Q3 2014 | $48,000 | +23.1% | 1,767 | 0.0% | 0.00% | – |
| Q2 2014 | $39,000 | -18.8% | 1,767 | 0.0% | 0.00% | – |
| Q1 2014 | $48,000 | -12.7% | 1,767 | 0.0% | 0.00% | – |
| Q4 2013 | $55,000 | – | 1,767 | – | 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% |