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 | $30,823,000 | +119.0% | 274,086 | +162.9% | 0.01% | +100.0% |
| Q4 2021 | $14,075,000 | +9.2% | 104,264 | +14.2% | 0.00% | 0.0% |
| Q3 2021 | $12,892,000 | -37.6% | 91,331 | -43.4% | 0.00% | -40.0% |
| Q2 2021 | $20,671,000 | -65.2% | 161,344 | -65.2% | 0.01% | -66.7% |
| Q1 2021 | $59,339,000 | +1.7% | 463,836 | +42.8% | 0.02% | 0.0% |
| Q4 2020 | $58,369,000 | -38.0% | 324,906 | -24.3% | 0.02% | -44.4% |
| Q3 2020 | $94,176,000 | -8.3% | 429,283 | -6.5% | 0.03% | -12.9% |
| Q2 2020 | $102,728,000 | +595.4% | 459,140 | +204.0% | 0.03% | +520.0% |
| Q1 2020 | $14,773,000 | +254.2% | 151,045 | +171.7% | 0.01% | +400.0% |
| Q4 2019 | $4,171,000 | -40.3% | 55,588 | -51.2% | 0.00% | -50.0% |
| Q3 2019 | $6,989,000 | -14.5% | 113,906 | -17.3% | 0.00% | 0.0% |
| Q2 2019 | $8,170,000 | -31.6% | 137,728 | -24.6% | 0.00% | -50.0% |
| Q1 2019 | $11,951,000 | +228.1% | 182,545 | +144.7% | 0.00% | +300.0% |
| Q4 2018 | $3,642,000 | -18.2% | 74,605 | +9.2% | 0.00% | 0.0% |
| Q3 2018 | $4,453,000 | +5.1% | 68,332 | +7.3% | 0.00% | 0.0% |
| Q2 2018 | $4,236,000 | -90.3% | 63,698 | -92.4% | 0.00% | -90.9% |
| Q1 2018 | $43,641,000 | +17.4% | 842,331 | -1.7% | 0.01% | +22.2% |
| Q4 2017 | $37,159,000 | +9.6% | 857,195 | +10.8% | 0.01% | +12.5% |
| Q3 2017 | $33,916,000 | +795.6% | 773,301 | +454.1% | 0.01% | +700.0% |
| Q2 2017 | $3,787,000 | +112.8% | 139,559 | +77.5% | 0.00% | – |
| Q1 2017 | $1,780,000 | +5.6% | 78,615 | -0.1% | 0.00% | – |
| Q4 2016 | $1,685,000 | -12.8% | 78,672 | -10.1% | 0.00% | -100.0% |
| Q3 2016 | $1,932,000 | +447.3% | 87,474 | +327.3% | 0.00% | – |
| Q1 2016 | $353,000 | -14.1% | 20,473 | +5.6% | 0.00% | – |
| Q4 2015 | $411,000 | +3.3% | 19,381 | -8.0% | 0.00% | – |
| Q3 2015 | $398,000 | +4.7% | 21,055 | +27.2% | 0.00% | – |
| Q2 2015 | $380,000 | -87.4% | 16,548 | -85.1% | 0.00% | -100.0% |
| Q1 2015 | $3,005,000 | +21.5% | 111,376 | +30.2% | 0.00% | 0.0% |
| Q4 2014 | $2,473,000 | -1.3% | 85,515 | -8.3% | 0.00% | 0.0% |
| Q3 2014 | $2,505,000 | +24.1% | 93,239 | +2.1% | 0.00% | 0.0% |
| Q2 2014 | $2,019,000 | -15.5% | 91,338 | +4.4% | 0.00% | 0.0% |
| Q1 2014 | $2,389,000 | -17.6% | 87,492 | -6.8% | 0.00% | 0.0% |
| Q4 2013 | $2,900,000 | +14.4% | 93,888 | +5.2% | 0.00% | 0.0% |
| Q3 2013 | $2,534,000 | +11.2% | 89,208 | -0.0% | 0.00% | 0.0% |
| Q2 2013 | $2,278,000 | +20.3% | 89,241 | -12.0% | 0.00% | 0.0% |
| Q4 2012 | $1,894,000 | +6.2% | 101,452 | +7.7% | 0.00% | 0.0% |
| Q3 2012 | $1,783,000 | +9.2% | 94,166 | -9.6% | 0.00% | 0.0% |
| Q2 2012 | $1,633,000 | +287.0% | 104,164 | +353.3% | 0.00% | – |
| Q1 2012 | $422,000 | – | 22,980 | – | 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% |