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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $310,000 | -30.6% | 2,296 | +12.7% | 0.01% | -63.6% |
| Q3 2020 | $447,000 | +231.1% | 2,038 | +237.4% | 0.02% | +214.3% |
| Q2 2020 | $135,000 | +575.0% | 604 | +98.7% | 0.01% | +600.0% |
| Q1 2019 | $20,000 | -94.8% | 304 | -96.1% | 0.00% | -96.2% |
| Q4 2018 | $382,000 | +187.2% | 7,822 | +283.1% | 0.03% | +225.0% |
| Q3 2018 | $133,000 | -63.5% | 2,042 | -62.7% | 0.01% | -65.2% |
| Q2 2018 | $364,000 | -4.0% | 5,469 | -25.2% | 0.02% | -17.9% |
| Q1 2018 | $379,000 | +92.4% | 7,308 | +62.9% | 0.03% | +55.6% |
| Q3 2017 | $197,000 | +432.4% | 4,485 | +224.8% | 0.02% | +350.0% |
| Q2 2017 | $37,000 | +105.6% | 1,381 | +72.6% | 0.00% | +33.3% |
| Q2 2015 | $18,000 | – | 800 | – | 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% |