QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $5,372,000 | -23.2% | 47,771 | -7.8% | 0.01% | -12.5% |
| Q4 2021 | $6,993,000 | -21.3% | 51,802 | -17.7% | 0.01% | -27.3% |
| Q3 2021 | $8,890,000 | +8.5% | 62,981 | -1.5% | 0.01% | +10.0% |
| Q2 2021 | $8,193,000 | -3.9% | 63,948 | -4.0% | 0.01% | -9.1% |
| Q1 2021 | $8,523,000 | -29.2% | 66,624 | -0.5% | 0.01% | -35.3% |
| Q4 2020 | $12,034,000 | -16.4% | 66,984 | +2.1% | 0.02% | -26.1% |
| Q3 2020 | $14,388,000 | +0.5% | 65,586 | +2.5% | 0.02% | -8.0% |
| Q2 2020 | $14,314,000 | +169.1% | 63,977 | +17.6% | 0.02% | +127.3% |
| Q1 2020 | $5,319,000 | +31.1% | 54,382 | +0.6% | 0.01% | +57.1% |
| Q4 2019 | $4,058,000 | +19.9% | 54,080 | -2.0% | 0.01% | 0.0% |
| Q3 2019 | $3,385,000 | +4.7% | 55,173 | +1.2% | 0.01% | +16.7% |
| Q2 2019 | $3,234,000 | -5.6% | 54,514 | +4.1% | 0.01% | -14.3% |
| Q1 2019 | $3,427,000 | +31.2% | 52,345 | -2.2% | 0.01% | +16.7% |
| Q4 2018 | $2,612,000 | -23.4% | 53,509 | +2.3% | 0.01% | -14.3% |
| Q3 2018 | $3,409,000 | +2.1% | 52,302 | +4.2% | 0.01% | 0.0% |
| Q2 2018 | $3,338,000 | +48.9% | 50,189 | +16.0% | 0.01% | +40.0% |
| Q1 2018 | $2,242,000 | +15.4% | 43,275 | -3.4% | 0.01% | +25.0% |
| Q4 2017 | $1,942,000 | -0.4% | 44,792 | +0.8% | 0.00% | 0.0% |
| Q3 2017 | $1,949,000 | +46.1% | 44,429 | -9.6% | 0.00% | +33.3% |
| Q2 2017 | $1,334,000 | +11.4% | 49,168 | -7.0% | 0.00% | +50.0% |
| Q1 2017 | $1,197,000 | +0.9% | 52,868 | -4.5% | 0.00% | 0.0% |
| Q4 2016 | $1,186,000 | -5.4% | 55,368 | -2.5% | 0.00% | -33.3% |
| Q3 2016 | $1,254,000 | +24.5% | 56,768 | +0.7% | 0.00% | +50.0% |
| Q2 2016 | $1,007,000 | +2.0% | 56,368 | -1.4% | 0.00% | 0.0% |
| Q1 2016 | $987,000 | -12.7% | 57,168 | +7.2% | 0.00% | -33.3% |
| Q4 2015 | $1,131,000 | +14.4% | 53,348 | +1.9% | 0.00% | 0.0% |
| Q3 2015 | $989,000 | -18.0% | 52,359 | -0.4% | 0.00% | 0.0% |
| Q2 2015 | $1,206,000 | -14.0% | 52,559 | +1.1% | 0.00% | 0.0% |
| Q1 2015 | $1,403,000 | -8.3% | 51,988 | -1.7% | 0.00% | -25.0% |
| Q4 2014 | $1,530,000 | +8.1% | 52,888 | +0.4% | 0.00% | 0.0% |
| Q3 2014 | $1,415,000 | +22.9% | 52,663 | +1.2% | 0.00% | +33.3% |
| Q2 2014 | $1,151,000 | -17.4% | 52,064 | +2.0% | 0.00% | -25.0% |
| Q1 2014 | $1,394,000 | -11.3% | 51,064 | +0.4% | 0.00% | 0.0% |
| Q4 2013 | $1,571,000 | +9.6% | 50,864 | +0.8% | 0.00% | 0.0% |
| Q3 2013 | $1,433,000 | +14.7% | 50,464 | +3.1% | 0.00% | 0.0% |
| Q2 2013 | $1,249,000 | +7.3% | 48,935 | -0.2% | 0.00% | 0.0% |
| Q1 2013 | $1,164,000 | – | 49,025 | – | 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% |