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 | $71,334,000 | -24.9% | 397,071 | -8.3% | 0.10% | -32.7% |
| Q3 2020 | $95,020,000 | +575.2% | 433,132 | +588.6% | 0.15% | +476.9% |
| Q2 2020 | $14,073,000 | +793.5% | 62,901 | +290.7% | 0.03% | +550.0% |
| Q1 2020 | $1,575,000 | +6.9% | 16,100 | -28.4% | 0.00% | +33.3% |
| Q1 2019 | $1,473,000 | +343.7% | 22,500 | +341.2% | 0.00% | +200.0% |
| Q3 2018 | $332,000 | -61.8% | 5,100 | -61.0% | 0.00% | -50.0% |
| Q2 2018 | $870,000 | -66.8% | 13,082 | -86.4% | 0.00% | -75.0% |
| Q2 2017 | $2,620,000 | – | 96,520 | – | 0.01% | – |
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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% |