IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 402 filers reported holding IONIS PHARMACEUTICALS INC in Q1 2019. The put-call ratio across all filers is 1.90 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $1,000 | – | 25 | – | 0.00% | – |
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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% |