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 | $1,282,000 | -94.0% | 11,424 | -92.9% | 0.00% | -94.1% |
| Q4 2021 | $21,479,000 | +0.5% | 161,238 | +5.6% | 0.03% | -5.6% |
| Q3 2021 | $21,373,000 | +519.1% | 152,655 | +467.3% | 0.04% | +500.0% |
| Q2 2021 | $3,452,000 | -35.0% | 26,908 | -35.3% | 0.01% | -33.3% |
| Q1 2021 | $5,311,000 | +34.8% | 41,570 | +93.1% | 0.01% | +12.5% |
| Q4 2020 | $3,941,000 | -32.0% | 21,532 | -18.9% | 0.01% | -33.3% |
| Q3 2020 | $5,795,000 | -40.0% | 26,548 | -38.6% | 0.01% | -45.5% |
| Q2 2020 | $9,657,000 | +3336.7% | 43,266 | +1406.0% | 0.02% | +2100.0% |
| Q1 2020 | $281,000 | +109.7% | 2,873 | +59.8% | 0.00% | – |
| Q4 2019 | $134,000 | +21.8% | 1,798 | 0.0% | 0.00% | – |
| Q3 2019 | $110,000 | -79.3% | 1,798 | -85.2% | 0.00% | -100.0% |
| Q3 2017 | $531,000 | +154.1% | 12,108 | +57.2% | 0.00% | – |
| Q2 2017 | $209,000 | – | 7,700 | – | 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% |