QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 159 filers reported holding QUIDEL CORP in Q4 2018. The put-call ratio across all filers is 0.22 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $595,000 | -29.3% | 5,291 | -15.0% | 0.00% | -50.0% |
| Q4 2021 | $841,000 | -0.2% | 6,227 | +4.3% | 0.00% | 0.0% |
| Q3 2021 | $843,000 | -83.5% | 5,969 | -85.1% | 0.00% | -80.0% |
| Q2 2021 | $5,121,000 | +147.8% | 39,971 | +147.5% | 0.01% | +150.0% |
| Q1 2021 | $2,067,000 | +42.6% | 16,150 | +100.1% | 0.00% | +33.3% |
| Q4 2020 | $1,450,000 | -59.9% | 8,069 | -51.0% | 0.00% | -62.5% |
| Q3 2020 | $3,613,000 | -5.8% | 16,469 | -3.9% | 0.01% | -11.1% |
| Q2 2020 | $3,834,000 | -12.8% | 17,133 | -61.9% | 0.01% | -30.8% |
| Q1 2020 | $4,395,000 | +613.5% | 44,935 | +347.6% | 0.01% | +550.0% |
| Q3 2019 | $616,000 | -29.1% | 10,039 | -31.5% | 0.00% | 0.0% |
| Q2 2019 | $869,000 | -88.8% | 14,645 | -87.7% | 0.00% | -88.9% |
| Q3 2018 | $7,784,000 | +141.2% | 119,444 | +146.1% | 0.02% | +100.0% |
| Q2 2018 | $3,227,000 | +94.4% | 48,529 | +51.4% | 0.01% | +80.0% |
| Q1 2018 | $1,660,000 | – | 32,044 | – | 0.01% | – |
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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% |