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 | $1,129,000 | -16.7% | 10,036 | 0.0% | 0.04% | -10.9% |
| Q4 2021 | $1,355,000 | -4.4% | 10,036 | 0.0% | 0.05% | -11.5% |
| Q3 2021 | $1,417,000 | +4.5% | 10,036 | -5.1% | 0.05% | +6.1% |
| Q2 2021 | $1,356,000 | +0.2% | 10,580 | 0.0% | 0.05% | -5.8% |
| Q1 2021 | $1,353,000 | -28.8% | 10,580 | 0.0% | 0.05% | -40.2% |
| Q4 2020 | $1,901,000 | -19.8% | 10,580 | -2.1% | 0.09% | -18.7% |
| Q3 2020 | $2,371,000 | -4.2% | 10,807 | -2.3% | 0.11% | -9.3% |
| Q2 2020 | $2,474,000 | +703.2% | 11,056 | +251.5% | 0.12% | +594.1% |
| Q1 2020 | $308,000 | +36.3% | 3,145 | +4.4% | 0.02% | +70.0% |
| Q4 2019 | $226,000 | +22.2% | 3,013 | 0.0% | 0.01% | +25.0% |
| Q3 2019 | $185,000 | +3.4% | 3,013 | 0.0% | 0.01% | 0.0% |
| Q2 2019 | $179,000 | -0.6% | 3,013 | +9.5% | 0.01% | 0.0% |
| Q1 2019 | $180,000 | +34.3% | 2,752 | 0.0% | 0.01% | +14.3% |
| Q4 2018 | $134,000 | -25.1% | 2,752 | 0.0% | 0.01% | -12.5% |
| Q3 2018 | $179,000 | -2.2% | 2,752 | 0.0% | 0.01% | -11.1% |
| Q2 2018 | $183,000 | +46.4% | 2,752 | +13.7% | 0.01% | +50.0% |
| Q1 2018 | $125,000 | +30.2% | 2,421 | +9.0% | 0.01% | +50.0% |
| Q4 2017 | $96,000 | +24.7% | 2,221 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $77,000 | +28.3% | 2,221 | 0.0% | 0.00% | +33.3% |
| Q2 2017 | $60,000 | +20.0% | 2,221 | 0.0% | 0.00% | +50.0% |
| Q1 2017 | $50,000 | – | 2,221 | – | 0.00% | – |
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% |