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 | $250,000 | -18.3% | 2,224 | -1.8% | 0.01% | -20.0% |
| Q4 2021 | $306,000 | -11.6% | 2,264 | -7.5% | 0.02% | -21.1% |
| Q3 2021 | $346,000 | -7.7% | 2,448 | -16.3% | 0.02% | -9.5% |
| Q2 2021 | $375,000 | -33.6% | 2,926 | -33.7% | 0.02% | -38.2% |
| Q1 2021 | $565,000 | -40.7% | 4,416 | -16.6% | 0.03% | -47.7% |
| Q4 2020 | $952,000 | -19.3% | 5,296 | +0.9% | 0.06% | -27.8% |
| Q3 2020 | $1,180,000 | -6.0% | 5,251 | -0.9% | 0.09% | -32.8% |
| Q2 2020 | $1,255,000 | – | 5,300 | – | 0.13% | – |
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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% |