QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 226 filers reported holding QUIDEL CORP in Q1 2020. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,967,000 | -20.0% | 14,570 | -16.3% | 0.00% | -33.3% |
| Q3 2021 | $2,458,000 | +12.8% | 17,415 | +2.4% | 0.00% | 0.0% |
| Q2 2021 | $2,179,000 | -20.7% | 17,006 | -20.9% | 0.00% | -25.0% |
| Q1 2021 | $2,749,000 | +25.1% | 21,487 | +75.6% | 0.00% | 0.0% |
| Q4 2020 | $2,198,000 | -21.9% | 12,233 | -4.6% | 0.00% | -55.6% |
| Q3 2020 | $2,814,000 | -31.2% | 12,828 | -29.9% | 0.01% | -52.6% |
| Q2 2020 | $4,092,000 | +907.9% | 18,289 | +340.8% | 0.02% | +533.3% |
| Q1 2020 | $406,000 | -17.6% | 4,149 | -36.9% | 0.00% | 0.0% |
| Q4 2019 | $493,000 | +0.4% | 6,573 | -17.8% | 0.00% | -25.0% |
| Q3 2019 | $491,000 | +396.0% | 8,000 | +294.3% | 0.00% | +300.0% |
| Q4 2018 | $99,000 | -83.8% | 2,029 | -78.3% | 0.00% | -80.0% |
| Q3 2018 | $610,000 | +252.6% | 9,360 | +134.0% | 0.01% | +400.0% |
| Q4 2017 | $173,000 | +1341.7% | 4,000 | +590.8% | 0.00% | – |
| Q4 2015 | $12,000 | +9.1% | 579 | 0.0% | 0.00% | – |
| Q3 2015 | $11,000 | -15.4% | 579 | -3.5% | 0.00% | – |
| Q2 2014 | $13,000 | -79.4% | 600 | -73.9% | 0.00% | -100.0% |
| Q1 2014 | $63,000 | – | 2,300 | – | 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% |