QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $758,000 | -13.5% | 6,022 | -7.3% | 0.00% | -50.0% |
| Q4 2021 | $876,000 | +8.0% | 6,493 | +12.8% | 0.00% | 0.0% |
| Q3 2021 | $811,000 | +8.0% | 5,756 | -1.9% | 0.00% | 0.0% |
| Q2 2021 | $751,000 | -34.8% | 5,866 | -34.7% | 0.00% | -33.3% |
| Q1 2021 | $1,151,000 | -48.5% | 8,984 | -27.8% | 0.00% | -50.0% |
| Q4 2020 | $2,236,000 | +45.1% | 12,450 | +77.5% | 0.01% | +20.0% |
| Q3 2020 | $1,541,000 | +47.9% | 7,016 | +50.8% | 0.01% | +66.7% |
| Q2 2020 | $1,042,000 | +347.2% | 4,653 | +90.9% | 0.00% | +200.0% |
| Q1 2020 | $233,000 | – | 2,437 | – | 0.00% | – |
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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% |