QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 352 filers reported holding QUIDEL CORP in Q1 2021. The put-call ratio across all filers is 1.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $5,085,000 | -20.3% | 45,220 | -4.4% | 0.01% | -9.1% |
| Q4 2021 | $6,383,000 | -4.8% | 47,286 | -0.4% | 0.01% | -15.4% |
| Q3 2021 | $6,704,000 | +8.2% | 47,496 | -1.8% | 0.01% | +8.3% |
| Q2 2021 | $6,198,000 | +5.4% | 48,374 | +5.3% | 0.01% | 0.0% |
| Q1 2021 | $5,879,000 | -40.4% | 45,952 | -16.3% | 0.01% | -40.0% |
| Q4 2020 | $9,861,000 | -12.4% | 54,888 | +7.0% | 0.02% | -23.1% |
| Q3 2020 | $11,256,000 | +0.6% | 51,307 | +2.6% | 0.03% | -7.1% |
| Q2 2020 | $11,187,000 | +532.0% | 49,999 | +176.2% | 0.03% | +460.0% |
| Q1 2020 | $1,770,000 | +30.3% | 18,100 | 0.0% | 0.01% | +66.7% |
| Q4 2019 | $1,358,000 | +18.3% | 18,100 | -3.3% | 0.00% | 0.0% |
| Q3 2019 | $1,148,000 | +3.4% | 18,720 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $1,110,000 | -6.7% | 18,720 | +3.0% | 0.00% | 0.0% |
| Q1 2019 | $1,190,000 | +32.8% | 18,170 | -1.0% | 0.00% | 0.0% |
| Q4 2018 | $896,000 | -25.1% | 18,350 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $1,196,000 | -2.0% | 18,350 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $1,220,000 | +32.5% | 18,350 | +3.3% | 0.00% | 0.0% |
| Q1 2018 | $921,000 | +19.6% | 17,770 | 0.0% | 0.00% | +50.0% |
| Q4 2017 | $770,000 | -32.0% | 17,770 | -31.2% | 0.00% | -33.3% |
| Q3 2017 | $1,133,000 | +49.3% | 25,840 | -7.6% | 0.00% | +50.0% |
| Q2 2017 | $759,000 | +19.9% | 27,980 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $633,000 | +5.7% | 27,980 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $599,000 | -3.1% | 27,980 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $618,000 | +23.6% | 27,980 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $500,000 | +4.0% | 27,980 | +0.4% | 0.00% | 0.0% |
| Q1 2016 | $481,000 | -18.6% | 27,876 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $591,000 | +12.4% | 27,876 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $526,000 | -17.8% | 27,876 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $640,000 | -12.0% | 27,876 | +3.4% | 0.00% | 0.0% |
| Q1 2015 | $727,000 | -19.0% | 26,954 | -13.1% | 0.00% | -33.3% |
| Q4 2014 | $897,000 | +7.0% | 31,029 | -0.5% | 0.00% | 0.0% |
| Q3 2014 | $838,000 | +21.6% | 31,179 | 0.0% | 0.00% | +50.0% |
| Q2 2014 | $689,000 | -17.3% | 31,179 | +2.2% | 0.00% | -33.3% |
| Q1 2014 | $833,000 | -33.8% | 30,515 | -25.1% | 0.00% | -25.0% |
| Q4 2013 | $1,258,000 | +8.7% | 40,740 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $1,157,000 | +11.2% | 40,740 | 0.0% | 0.00% | +33.3% |
| Q2 2013 | $1,040,000 | – | 40,740 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 855,068 | $115,426,000 | 16.40% |
| Divisadero Street Capital Management, LP | 63,619 | $8,588,000 | 7.17% |
| Birchview Capital, LP | 59,684 | $8,057,000 | 5.20% |
| Senvest Management, LLC | 1,274,098 | $171,990,000 | 4.84% |
| Pavadi Capital LLC | 31,571 | $4,262,000 | 3.23% |
| Brown Capital Management | 2,642,671 | $356,734,000 | 2.95% |
| Kent Lake Capital LLC | 40,000 | $5,400,000 | 2.80% |
| LGT CAPITAL PARTNERS LTD. | 666,060 | $89,911,000 | 2.39% |
| GAGNON SECURITIES LLC | 103,121 | $13,920,000 | 2.09% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 80,753 | $10,901,000 | 1.76% |