QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 352 filers reported holding QUIDEL CORP in Q1 2021. The put-call ratio across all filers is 1.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $102,000 | -42.7% | 904 | -31.6% | 0.00% | 0.0% |
| Q4 2021 | $178,000 | -0.6% | 1,322 | +4.1% | 0.00% | 0.0% |
| Q3 2021 | $179,000 | +20.1% | 1,270 | +9.3% | 0.00% | 0.0% |
| Q2 2021 | $149,000 | +47.5% | 1,162 | +47.8% | 0.00% | 0.0% |
| Q1 2021 | $101,000 | +124.4% | 786 | +213.1% | 0.00% | 0.0% |
| Q4 2020 | $45,000 | +9.8% | 251 | +37.2% | 0.00% | 0.0% |
| Q3 2020 | $41,000 | +78.3% | 183 | +77.7% | 0.00% | – |
| Q2 2020 | $23,000 | – | 103 | – | 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% |