QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 159 filers reported holding QUIDEL CORP in Q4 2018. The put-call ratio across all filers is 0.22 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $958,000 | -83.1% | 7,486 | -76.3% | 0.02% | -83.8% |
| Q4 2020 | $5,676,000 | +134.4% | 31,594 | +186.2% | 0.10% | +114.3% |
| Q3 2020 | $2,422,000 | -20.5% | 11,040 | -18.9% | 0.05% | -26.9% |
| Q2 2020 | $3,046,000 | +288.0% | 13,616 | +6.5% | 0.07% | +318.8% |
| Q3 2019 | $785,000 | -11.8% | 12,788 | -14.7% | 0.02% | -11.1% |
| Q2 2019 | $890,000 | -1.9% | 14,997 | +8.2% | 0.02% | -5.3% |
| Q1 2019 | $907,000 | +64.3% | 13,860 | +22.5% | 0.02% | +46.2% |
| Q4 2018 | $552,000 | -34.8% | 11,312 | -12.9% | 0.01% | -27.8% |
| Q3 2018 | $846,000 | -5.7% | 12,982 | -60.7% | 0.02% | -18.2% |
| Q2 2017 | $897,000 | +26.0% | 33,064 | +5.2% | 0.02% | +22.2% |
| Q1 2017 | $712,000 | +11.2% | 31,434 | +5.2% | 0.02% | 0.0% |
| Q4 2016 | $640,000 | -15.1% | 29,867 | -12.6% | 0.02% | -14.3% |
| Q3 2016 | $754,000 | – | 34,154 | – | 0.02% | – |
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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% |