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 | $33,000 | -25.0% | 292 | -9.6% | 0.00% | -50.0% |
| Q4 2021 | $44,000 | +46.7% | 323 | +49.5% | 0.00% | +100.0% |
| Q3 2021 | $30,000 | +11.1% | 216 | +0.9% | 0.00% | 0.0% |
| Q2 2021 | $27,000 | +17.4% | 214 | +16.9% | 0.00% | 0.0% |
| Q1 2021 | $23,000 | -20.7% | 183 | +15.1% | 0.00% | -50.0% |
| Q4 2020 | $29,000 | -94.0% | 159 | -92.8% | 0.00% | -93.3% |
| Q3 2020 | $486,000 | -2.0% | 2,216 | -0.2% | 0.03% | -6.2% |
| Q2 2020 | $496,000 | +128.6% | 2,220 | 0.0% | 0.03% | +77.8% |
| Q1 2020 | $217,000 | +25.4% | 2,220 | -3.6% | 0.02% | +38.5% |
| Q4 2019 | $173,000 | +22.7% | 2,303 | 0.0% | 0.01% | +8.3% |
| Q3 2019 | $141,000 | +0.7% | 2,303 | -2.2% | 0.01% | -14.3% |
| Q2 2019 | $140,000 | -9.1% | 2,356 | 0.0% | 0.01% | -17.6% |
| Q1 2019 | $154,000 | +42.6% | 2,356 | +6.1% | 0.02% | +13.3% |
| Q4 2018 | $108,000 | -25.5% | 2,220 | 0.0% | 0.02% | -16.7% |
| Q3 2018 | $145,000 | -1.4% | 2,220 | 0.0% | 0.02% | -14.3% |
| Q2 2018 | $147,000 | +27.8% | 2,220 | 0.0% | 0.02% | +16.7% |
| Q1 2018 | $115,000 | +19.8% | 2,220 | 0.0% | 0.02% | +12.5% |
| Q4 2017 | $96,000 | +12.9% | 2,220 | 0.0% | 0.02% | +6.7% |
| Q3 2017 | $85,000 | +19.7% | 2,220 | -0.4% | 0.02% | +15.4% |
| Q2 2017 | $71,000 | -35.5% | 2,230 | -49.8% | 0.01% | +18.2% |
| Q1 2017 | $110,000 | +129.2% | 4,440 | +100.0% | 0.01% | 0.0% |
| Q4 2016 | $48,000 | – | 2,220 | – | 0.01% | – |
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% |