QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 317 filers reported holding QUIDEL CORP in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $3,000 | 0.0% | 40 | 0.0% | 0.00% | – |
| Q2 2022 | $3,000 | -40.0% | 40 | -9.1% | 0.00% | – |
| Q1 2022 | $5,000 | +400.0% | 44 | +4300.0% | 0.00% | – |
| Q4 2021 | $1,000 | – | 1 | – | 0.00% | – |
| Q2 2021 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q1 2021 | $19,000 | -5.0% | 153 | +40.4% | 0.00% | -100.0% |
| Q4 2020 | $20,000 | -20.0% | 109 | -3.5% | 0.00% | 0.0% |
| Q3 2020 | $25,000 | +525.0% | 113 | +465.0% | 0.00% | – |
| Q2 2020 | $4,000 | +300.0% | 20 | +100.0% | 0.00% | – |
| Q1 2020 | $1,000 | – | 10 | – | 0.00% | – |
| Q4 2019 | $0 | – | 0 | – | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q1 2019 | $1,000 | -97.3% | 18 | -97.7% | 0.00% | -100.0% |
| Q4 2018 | $37,000 | -43.9% | 772 | -23.8% | 0.00% | -33.3% |
| Q3 2018 | $66,000 | -24.1% | 1,013 | -22.3% | 0.00% | -25.0% |
| Q2 2018 | $87,000 | +770.0% | 1,303 | +454.5% | 0.00% | – |
| Q1 2018 | $10,000 | 0.0% | 235 | 0.0% | 0.00% | – |
| Q4 2017 | $10,000 | 0.0% | 235 | 0.0% | 0.00% | – |
| Q3 2017 | $10,000 | +150.0% | 235 | +74.1% | 0.00% | – |
| Q2 2017 | $4,000 | +33.3% | 135 | 0.0% | 0.00% | – |
| Q1 2017 | $3,000 | 0.0% | 135 | 0.0% | 0.00% | – |
| Q4 2016 | $3,000 | 0.0% | 135 | 0.0% | 0.00% | – |
| Q3 2016 | $3,000 | 0.0% | 135 | -18.7% | 0.00% | – |
| Q2 2016 | $3,000 | +200.0% | 166 | +822.2% | 0.00% | – |
| Q1 2016 | $1,000 | -66.7% | 18 | -86.3% | 0.00% | – |
| Q4 2015 | $3,000 | – | 131 | – | 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% |