QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 317 filers reported holding QUIDEL CORP in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $534,000 | -41.3% | 4,176 | -41.2% | 0.00% | -50.0% |
| Q1 2021 | $909,000 | -83.3% | 7,106 | -76.5% | 0.00% | -84.0% |
| Q4 2020 | $5,431,000 | +64.7% | 30,230 | +101.1% | 0.02% | +19.0% |
| Q3 2020 | $3,297,000 | +5.9% | 15,033 | +8.1% | 0.02% | 0.0% |
| Q2 2020 | $3,113,000 | -11.3% | 13,912 | -61.2% | 0.02% | -22.2% |
| Q1 2020 | $3,510,000 | +2255.7% | 35,893 | +1702.8% | 0.03% | +2600.0% |
| Q4 2019 | $149,000 | -98.2% | 1,991 | -98.5% | 0.00% | -97.9% |
| Q3 2019 | $8,334,000 | -18.6% | 135,849 | -21.3% | 0.05% | -26.6% |
| Q2 2019 | $10,233,000 | +126.5% | 172,510 | +150.1% | 0.06% | +300.0% |
| Q1 2019 | $4,518,000 | +345.1% | 68,980 | +232.0% | 0.02% | +60.0% |
| Q4 2018 | $1,015,000 | -75.3% | 20,774 | -73.8% | 0.01% | -52.4% |
| Q1 2018 | $4,105,000 | -66.3% | 79,239 | -71.8% | 0.02% | -68.7% |
| Q4 2017 | $12,199,000 | -41.6% | 281,390 | -40.7% | 0.07% | -49.2% |
| Q3 2017 | $20,895,000 | +350.4% | 474,884 | +176.4% | 0.13% | +288.2% |
| Q2 2017 | $4,639,000 | +451.6% | 171,800 | +370.1% | 0.03% | +385.7% |
| Q1 2017 | $841,000 | – | 36,547 | – | 0.01% | – |
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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% |