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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $5,166,000 | +0.1% | 40,320 | 0.0% | 0.06% | +1.7% |
| Q1 2021 | $5,159,000 | +7.3% | 40,320 | +50.6% | 0.06% | +3.4% |
| Q4 2020 | $4,810,000 | +705.7% | 26,775 | +884.4% | 0.06% | +625.0% |
| Q3 2020 | $597,000 | -85.3% | 2,720 | -85.1% | 0.01% | -86.0% |
| Q2 2020 | $4,073,000 | +1497.3% | 18,200 | +600.0% | 0.06% | +1325.0% |
| Q1 2020 | $255,000 | -29.0% | 2,600 | -84.5% | 0.00% | +33.3% |
| Q4 2016 | $359,000 | -7.9% | 16,747 | -5.2% | 0.00% | 0.0% |
| Q3 2016 | $390,000 | -75.1% | 17,673 | -79.9% | 0.00% | -76.9% |
| Q2 2016 | $1,569,000 | -30.5% | 87,856 | -32.9% | 0.01% | -40.9% |
| Q1 2016 | $2,259,000 | -19.8% | 130,890 | -1.5% | 0.02% | -18.5% |
| Q4 2015 | $2,817,000 | +53.9% | 132,870 | +37.1% | 0.03% | +42.1% |
| Q3 2015 | $1,830,000 | -17.7% | 96,921 | 0.0% | 0.02% | -29.6% |
| Q2 2015 | $2,224,000 | – | 96,921 | – | 0.03% | – |
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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% |