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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $71,334,000 | -24.9% | 397,071 | -8.3% | 0.10% | -32.7% |
| Q3 2020 | $95,020,000 | +575.2% | 433,132 | +588.6% | 0.15% | +476.9% |
| Q2 2020 | $14,073,000 | +793.5% | 62,901 | +290.7% | 0.03% | +550.0% |
| Q1 2020 | $1,575,000 | +6.9% | 16,100 | -28.4% | 0.00% | +33.3% |
| Q1 2019 | $1,473,000 | +343.7% | 22,500 | +341.2% | 0.00% | +200.0% |
| Q3 2018 | $332,000 | -61.8% | 5,100 | -61.0% | 0.00% | -50.0% |
| Q2 2018 | $870,000 | -66.8% | 13,082 | -86.4% | 0.00% | -75.0% |
| Q2 2017 | $2,620,000 | – | 96,520 | – | 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% |