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 | $3,907,000 | -46.3% | 34,738 | -14.3% | 0.01% | -53.8% |
| Q4 2020 | $7,280,000 | -82.8% | 40,522 | -79.0% | 0.01% | -84.3% |
| Q3 2020 | $42,237,000 | -55.9% | 192,526 | -55.1% | 0.08% | -59.3% |
| Q2 2020 | $95,882,000 | +564.0% | 428,542 | +190.3% | 0.20% | +436.8% |
| Q1 2020 | $14,440,000 | +29.9% | 147,631 | -0.3% | 0.04% | +65.2% |
| Q4 2019 | $11,116,000 | +22.4% | 148,146 | +0.1% | 0.02% | +15.0% |
| Q3 2019 | $9,078,000 | +3.6% | 147,976 | +0.2% | 0.02% | 0.0% |
| Q2 2019 | $8,760,000 | -9.4% | 147,669 | 0.0% | 0.02% | -13.0% |
| Q1 2019 | $9,668,000 | +34.2% | 147,669 | +0.1% | 0.02% | +21.1% |
| Q4 2018 | $7,204,000 | -25.1% | 147,567 | +0.1% | 0.02% | -9.5% |
| Q3 2018 | $9,612,000 | +24.8% | 147,490 | +27.3% | 0.02% | +133.3% |
| Q2 2018 | $7,702,000 | – | 115,822 | – | 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% |