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 | $3,060,000 | -3.6% | 27,209 | +15.7% | 0.00% | 0.0% |
| Q4 2021 | $3,175,000 | +25.9% | 23,522 | +31.7% | 0.00% | +100.0% |
| Q3 2021 | $2,521,000 | +24.2% | 17,858 | +12.7% | 0.00% | 0.0% |
| Q2 2021 | $2,030,000 | +16.5% | 15,841 | +16.3% | 0.00% | 0.0% |
| Q1 2021 | $1,742,000 | +1.5% | 13,619 | +42.6% | 0.00% | 0.0% |
| Q4 2020 | $1,716,000 | -62.4% | 9,549 | -54.1% | 0.00% | -75.0% |
| Q3 2020 | $4,561,000 | +252.7% | 20,792 | +259.8% | 0.00% | +300.0% |
| Q2 2020 | $1,293,000 | +143.5% | 5,779 | +6.5% | 0.00% | 0.0% |
| Q1 2020 | $531,000 | +78.2% | 5,428 | +36.5% | 0.00% | – |
| Q4 2019 | $298,000 | +26.8% | 3,977 | +3.8% | 0.00% | – |
| Q3 2019 | $235,000 | +5.9% | 3,830 | +2.2% | 0.00% | – |
| Q2 2019 | $222,000 | -15.6% | 3,749 | -6.7% | 0.00% | – |
| Q1 2019 | $263,000 | +16.9% | 4,019 | -62.1% | 0.00% | -100.0% |
| Q4 2015 | $225,000 | +6.6% | 10,600 | -5.0% | 0.00% | 0.0% |
| Q3 2015 | $211,000 | +2.9% | 11,159 | +24.7% | 0.00% | 0.0% |
| Q2 2015 | $205,000 | +28.9% | 8,949 | +62.4% | 0.00% | -50.0% |
| Q4 2014 | $159,000 | +7.4% | 5,511 | +0.3% | 0.00% | +100.0% |
| Q3 2014 | $148,000 | +2366.7% | 5,493 | +2012.7% | 0.00% | – |
| Q2 2014 | $6,000 | 0.0% | 260 | +26.8% | 0.00% | – |
| Q1 2014 | $6,000 | 0.0% | 205 | 0.0% | 0.00% | – |
| Q4 2013 | $6,000 | -33.3% | 205 | -35.1% | 0.00% | – |
| Q3 2013 | $9,000 | -18.2% | 316 | -23.7% | 0.00% | – |
| Q2 2013 | $11,000 | – | 414 | – | 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% |