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 | $2,183,000 | -18.0% | 19,409 | -1.5% | 0.01% | -11.1% |
| Q4 2021 | $2,661,000 | -8.1% | 19,710 | -4.0% | 0.01% | -10.0% |
| Q3 2021 | $2,897,000 | +5.4% | 20,522 | -4.3% | 0.01% | 0.0% |
| Q2 2021 | $2,748,000 | +5.4% | 21,447 | +5.2% | 0.01% | 0.0% |
| Q1 2021 | $2,607,000 | -20.5% | 20,380 | +11.6% | 0.01% | -33.3% |
| Q4 2020 | $3,281,000 | -0.9% | 18,261 | +20.9% | 0.02% | -16.7% |
| Q3 2020 | $3,312,000 | -29.8% | 15,098 | -28.4% | 0.02% | -33.3% |
| Q2 2020 | $4,715,000 | +1096.7% | 21,074 | +217.2% | 0.03% | +1250.0% |
| Q2 2019 | $394,000 | -11.5% | 6,643 | -2.3% | 0.00% | 0.0% |
| Q1 2019 | $445,000 | +34.0% | 6,796 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $332,000 | – | 6,796 | – | 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% |