QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 338 filers reported holding QUIDEL CORP in Q2 2021. The put-call ratio across all filers is 0.86 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $431,000 | -77.2% | 3,826 | -72.7% | 0.00% | -100.0% |
| Q4 2021 | $1,890,000 | -53.7% | 14,003 | -51.6% | 0.00% | -50.0% |
| Q3 2021 | $4,079,000 | -10.7% | 28,903 | -18.9% | 0.00% | 0.0% |
| Q2 2021 | $4,567,000 | -0.4% | 35,643 | -0.6% | 0.00% | 0.0% |
| Q1 2021 | $4,586,000 | -47.5% | 35,843 | -26.3% | 0.00% | -60.0% |
| Q4 2020 | $8,739,000 | -29.8% | 48,644 | -14.3% | 0.01% | -44.4% |
| Q3 2020 | $12,447,000 | +7.5% | 56,742 | +9.7% | 0.01% | 0.0% |
| Q2 2020 | $11,575,000 | +196.8% | 51,739 | +29.8% | 0.01% | +200.0% |
| Q1 2020 | $3,900,000 | +254.2% | 39,868 | +171.5% | 0.00% | +200.0% |
| Q4 2019 | $1,101,000 | +47.8% | 14,684 | +20.6% | 0.00% | 0.0% |
| Q3 2019 | $745,000 | -80.7% | 12,174 | -81.3% | 0.00% | -50.0% |
| Q2 2019 | $3,870,000 | +51.7% | 65,263 | +67.4% | 0.00% | 0.0% |
| Q1 2019 | $2,551,000 | +3.4% | 38,991 | -22.9% | 0.00% | 0.0% |
| Q4 2018 | $2,467,000 | -75.4% | 50,599 | -67.2% | 0.00% | -33.3% |
| Q3 2018 | $10,039,000 | -53.3% | 154,076 | -52.4% | 0.00% | -50.0% |
| Q2 2018 | $21,519,000 | +939.6% | 323,620 | +708.9% | 0.01% | +500.0% |
| Q1 2018 | $2,070,000 | -26.1% | 40,006 | -38.1% | 0.00% | -50.0% |
| Q4 2017 | $2,800,000 | -1.3% | 64,623 | -0.1% | 0.00% | 0.0% |
| Q3 2017 | $2,836,000 | +46.0% | 64,712 | -9.6% | 0.00% | +100.0% |
| Q2 2017 | $1,942,000 | +1186.1% | 71,621 | +972.5% | 0.00% | – |
| Q1 2017 | $151,000 | -75.1% | 6,678 | -76.5% | 0.00% | – |
| Q4 2016 | $606,000 | +44.3% | 28,414 | +48.8% | 0.00% | – |
| Q3 2016 | $420,000 | -68.4% | 19,090 | -74.4% | 0.00% | -100.0% |
| Q2 2016 | $1,331,000 | +177.3% | 74,649 | +167.2% | 0.00% | – |
| Q1 2016 | $480,000 | +14.6% | 27,934 | +41.1% | 0.00% | – |
| Q4 2015 | $419,000 | +75.3% | 19,791 | +55.5% | 0.00% | – |
| Q3 2015 | $239,000 | -69.3% | 12,724 | -62.6% | 0.00% | – |
| Q2 2015 | $779,000 | +679.0% | 34,018 | +809.8% | 0.00% | – |
| Q1 2015 | $100,000 | -98.0% | 3,739 | -97.8% | 0.00% | -100.0% |
| Q4 2014 | $4,905,000 | +1723.4% | 169,639 | +1589.6% | 0.00% | – |
| Q3 2014 | $269,000 | +3.9% | 10,040 | -14.6% | 0.00% | – |
| Q2 2014 | $259,000 | -83.4% | 11,763 | -79.4% | 0.00% | -100.0% |
| Q1 2014 | $1,559,000 | -69.4% | 57,146 | -65.4% | 0.00% | -75.0% |
| Q4 2013 | $5,091,000 | +177.3% | 164,951 | +155.0% | 0.00% | +300.0% |
| Q3 2013 | $1,836,000 | – | 64,689 | – | 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% |