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 | $2,848,000 | +33.1% | 25,324 | +59.7% | 0.15% | +14.6% |
| Q4 2021 | $2,140,000 | +16.9% | 15,853 | +22.2% | 0.13% | +26.2% |
| Q3 2021 | $1,831,000 | +2.7% | 12,975 | -6.7% | 0.10% | +7.3% |
| Q2 2021 | $1,782,000 | +116.5% | 13,909 | +116.1% | 0.10% | +104.3% |
| Q1 2021 | $823,000 | +79.3% | 6,435 | +151.9% | 0.05% | +42.4% |
| Q4 2020 | $459,000 | -73.1% | 2,555 | -66.5% | 0.03% | -25.0% |
| Q2 2020 | $1,705,000 | +10.9% | 7,621 | -51.5% | 0.04% | +7.3% |
| Q1 2020 | $1,538,000 | -42.4% | 15,728 | -55.8% | 0.04% | +10.8% |
| Q4 2019 | $2,668,000 | +324.8% | 35,559 | +235.7% | 0.04% | +208.3% |
| Q2 2019 | $628,000 | +58.6% | 10,592 | +74.9% | 0.01% | +50.0% |
| Q1 2019 | $396,000 | -11.0% | 6,055 | -33.5% | 0.01% | -20.0% |
| Q4 2018 | $445,000 | -31.0% | 9,110 | -7.9% | 0.01% | -28.6% |
| Q3 2018 | $645,000 | +1.3% | 9,894 | +3.3% | 0.01% | -12.5% |
| Q2 2018 | $637,000 | +10.8% | 9,580 | -13.7% | 0.02% | 0.0% |
| Q1 2018 | $575,000 | – | 11,100 | – | 0.02% | – |
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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% |