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 2020 | $1,276,000 | +43.0% | 17,000 | +318.3% | 0.18% | +44.4% |
| Q3 2020 | $892,000 | -40.3% | 4,064 | -39.1% | 0.13% | -47.7% |
| Q2 2020 | $1,493,000 | +74.2% | 6,674 | -23.8% | 0.24% | +44.3% |
| Q1 2020 | $857,000 | -40.8% | 8,760 | -54.6% | 0.17% | -14.4% |
| Q4 2019 | $1,447,000 | +29.4% | 19,280 | +12.9% | 0.20% | +25.8% |
| Q1 2019 | $1,118,000 | +34.2% | 17,070 | 0.0% | 0.16% | +20.2% |
| Q4 2018 | $833,000 | -21.9% | 17,070 | +4.3% | 0.13% | -7.9% |
| Q3 2018 | $1,067,000 | – | 16,370 | – | 0.14% | – |
Download | ||||||
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% |