QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 180 filers reported holding QUIDEL CORP in Q1 2019. The put-call ratio across all filers is 1.58 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $24,559,000 | +1.9% | 218,378 | +22.4% | 0.08% | +10.4% |
| Q4 2021 | $24,091,000 | +19.9% | 178,466 | +25.4% | 0.08% | +10.0% |
| Q3 2021 | $20,085,000 | +147.4% | 142,293 | +124.6% | 0.07% | +150.0% |
| Q2 2021 | $8,119,000 | +417.8% | 63,368 | +416.9% | 0.03% | +300.0% |
| Q1 2021 | $1,568,000 | +32.2% | 12,259 | +85.7% | 0.01% | +40.0% |
| Q4 2020 | $1,186,000 | -87.5% | 6,603 | -84.7% | 0.01% | -86.5% |
| Q3 2020 | $9,495,000 | -21.1% | 43,284 | -19.5% | 0.04% | -39.3% |
| Q2 2020 | $12,033,000 | +285.8% | 53,779 | +68.6% | 0.06% | +205.0% |
| Q1 2020 | $3,119,000 | -61.6% | 31,893 | -70.5% | 0.02% | -25.9% |
| Q4 2019 | $8,123,000 | +36.3% | 108,265 | +11.5% | 0.03% | +22.7% |
| Q3 2019 | $5,958,000 | -42.3% | 97,126 | -44.2% | 0.02% | -40.5% |
| Q2 2019 | $10,334,000 | +144.8% | 174,205 | +170.1% | 0.04% | +131.2% |
| Q1 2019 | $4,222,000 | -14.3% | 64,489 | -14.7% | 0.02% | -11.1% |
| Q3 2018 | $4,929,000 | +185.7% | 75,641 | +191.7% | 0.02% | +157.1% |
| Q2 2018 | $1,725,000 | – | 25,935 | – | 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% |