IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 363 filers reported holding IONIS PHARMACEUTICALS INC in Q1 2020. The put-call ratio across all filers is 1.31 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $2,684,000 | -44.3% | 59,700 | -30.0% | 0.06% | -44.3% |
| Q4 2020 | $4,823,000 | +68.6% | 85,300 | +41.5% | 0.11% | +35.9% |
| Q3 2020 | $2,861,000 | -38.6% | 60,300 | -23.7% | 0.08% | -42.6% |
| Q2 2020 | $4,658,000 | +0.5% | 79,000 | -19.4% | 0.14% | -19.0% |
| Q1 2020 | $4,633,000 | +28.7% | 98,000 | +64.4% | 0.17% | +63.1% |
| Q4 2019 | $3,600,000 | +63.7% | 59,600 | +62.4% | 0.10% | +58.5% |
| Q3 2019 | $2,199,000 | -6.8% | 36,700 | 0.0% | 0.06% | -4.4% |
| Q2 2019 | $2,359,000 | +200.5% | 36,700 | +8.9% | 0.07% | +240.0% |
| Q2 2016 | $785,000 | +189.7% | 33,700 | +403.0% | 0.02% | +185.7% |
| Q1 2016 | $271,000 | – | 6,700 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bellevue Group AG | 9,347,926 | $313,529,000 | 3.18% |
| Sicart Associates LLC | 291,254 | $9,769,000 | 2.66% |
| Camber Capital Management LP | 2,500,000 | $83,850,000 | 2.58% |
| SECTOR GAMMA AS | 263,870 | $8,850,000 | 1.76% |
| Parkman Healthcare Partners LLC | 136,380 | $4,574,000 | 1.16% |
| Eversept Partners, LP | 450,501 | $15,109,804 | 1.05% |
| SPHERA FUNDS MANAGEMENT LTD. | 350,000 | $11,739,000 | 0.99% |
| TANAKA CAPITAL MANAGEMENT INC | 16,661 | $559,000 | 0.80% |
| Sonora Investment Management, LLC | 163,703 | $5,491,000 | 0.69% |
| ARK Investment Management | 8,511,384 | $285,472,000 | 0.69% |