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 | $8,502,000 | -0.2% | 75,600 | +19.8% | 0.03% | -3.6% |
| Q4 2021 | $8,518,000 | +466.7% | 63,100 | +492.3% | 0.03% | +366.7% |
| Q3 2021 | $1,503,000 | -14.1% | 10,653 | -22.0% | 0.01% | -14.3% |
| Q2 2021 | $1,750,000 | -24.5% | 13,657 | -24.6% | 0.01% | -30.0% |
| Q1 2021 | $2,318,000 | -22.0% | 18,112 | +9.5% | 0.01% | -23.1% |
| Q4 2020 | $2,972,000 | +42.0% | 16,546 | +73.4% | 0.01% | +18.2% |
| Q3 2020 | $2,093,000 | +12.3% | 9,543 | +14.5% | 0.01% | -8.3% |
| Q2 2020 | $1,864,000 | +103.5% | 8,333 | -11.0% | 0.01% | +100.0% |
| Q1 2020 | $916,000 | +239.3% | 9,365 | +112.8% | 0.01% | +200.0% |
| Q3 2019 | $270,000 | +1.1% | 4,400 | -2.2% | 0.00% | 0.0% |
| Q2 2019 | $267,000 | +352.5% | 4,500 | +400.0% | 0.00% | – |
| Q3 2018 | $59,000 | -84.2% | 900 | -87.6% | 0.00% | -100.0% |
| Q1 2018 | $374,000 | +199.2% | 7,234 | +9.6% | 0.00% | +100.0% |
| Q3 2015 | $125,000 | – | 6,600 | – | 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% |