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 | $259,000 | -26.4% | 2,299 | -11.9% | 0.02% | -20.8% |
| Q4 2021 | $352,000 | -49.9% | 2,611 | -47.5% | 0.02% | -54.7% |
| Q3 2021 | $702,000 | +2.0% | 4,973 | -7.4% | 0.05% | +1.9% |
| Q2 2021 | $688,000 | -7.9% | 5,368 | -8.0% | 0.05% | -14.8% |
| Q1 2021 | $747,000 | -27.4% | 5,837 | +1.9% | 0.06% | -32.2% |
| Q4 2020 | $1,029,000 | +60.5% | 5,727 | +95.9% | 0.09% | +40.6% |
| Q3 2020 | $641,000 | – | 2,924 | – | 0.06% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 906,655 | $127,974,000 | 15.93% |
| Birchview Capital, LP | 59,684 | $8,424,000 | 5.73% |
| Senvest Management, LLC | 864,827 | $122,070,000 | 3.49% |
| LGT CAPITAL PARTNERS LTD. | 773,146 | $109,130,000 | 3.29% |
| Brown Capital Management | 2,666,553 | $376,384,000 | 3.08% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 81,664 | $11,527,000 | 2.22% |
| GAGNON SECURITIES LLC | 100,625 | $14,203,000 | 2.11% |
| AMERICAN CAPITAL MANAGEMENT INC | 315,068 | $44,472,000 | 1.19% |
| ArrowMark Colorado Holdings LLC | 995,677 | $140,540,000 | 1.10% |
| Cannell & Co. | 246,487 | $34,792,000 | 1.06% |