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 | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $482,000 | -20.5% | 4,290 | -4.5% | 0.32% | -16.1% |
| Q4 2021 | $606,000 | -1.3% | 4,490 | +3.2% | 0.38% | -15.0% |
| Q3 2021 | $614,000 | +10.4% | 4,349 | +0.2% | 0.45% | +10.5% |
| Q2 2021 | $556,000 | +0.4% | 4,341 | +0.2% | 0.41% | -7.5% |
| Q1 2021 | $554,000 | -34.4% | 4,334 | -7.9% | 0.44% | -39.1% |
| Q4 2020 | $845,000 | -17.7% | 4,706 | +0.5% | 0.73% | -21.5% |
| Q3 2020 | $1,027,000 | +1.1% | 4,683 | +3.4% | 0.92% | -17.1% |
| Q2 2020 | $1,016,000 | +66.0% | 4,530 | -27.7% | 1.12% | +51.0% |
| Q1 2020 | $612,000 | +30.5% | 6,264 | 0.0% | 0.74% | +47.5% |
| Q4 2019 | $469,000 | – | 6,264 | – | 0.50% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,759,421 | $316,080,000 | 39.61% |
| Birchview Capital, LP | 58,644 | $10,535,000 | 6.07% |
| Trellus Management Company, LLC | 39,810 | $7,152,000 | 5.90% |
| MANA Advisors LLC | 1,364 | $245,000 | 4.53% |
| Cannell & Co. | 493,107 | $88,587,000 | 2.94% |
| Brown Capital Management | 2,282,444 | $410,041,000 | 2.83% |
| Trellus Management Company, LLC | 15,000 | $2,695,000 | 2.22% |
| GAGNON SECURITIES LLC | 58,936 | $10,588,000 | 1.69% |
| PREMIER ASSET MANAGEMENT LLC | 40,470 | $7,270,000 | 1.49% |
| Millrace Asset Group, Inc. | 11,926 | $2,143,000 | 1.49% |