QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $11,000 | -21.4% | 100 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $14,000 | +7.7% | 100 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $13,000 | 0.0% | 100 | 0.0% | 0.00% | -50.0% |
| Q1 2021 | $13,000 | -35.0% | 100 | -8.3% | 0.00% | -33.3% |
| Q4 2020 | $20,000 | -16.7% | 109 | 0.0% | 0.00% | -25.0% |
| Q3 2020 | $24,000 | -17.2% | 109 | -16.2% | 0.00% | -20.0% |
| Q2 2020 | $29,000 | +314.3% | 130 | +73.3% | 0.01% | +150.0% |
| Q1 2020 | $7,000 | +16.7% | 75 | 0.0% | 0.00% | +100.0% |
| Q4 2019 | $6,000 | +20.0% | 75 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $5,000 | +25.0% | 75 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $4,000 | -20.0% | 75 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $5,000 | +25.0% | 75 | 0.0% | 0.00% | -50.0% |
| Q4 2018 | $4,000 | – | 75 | – | 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% |