IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 381 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.43 and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bellevue Group AG | 9,930,245 | $396,117,000 | 3.87% |
| Sicart Associates LLC | 368,409 | $14,696,000 | 3.50% |
| Camber Capital Management LP | 2,000,000 | $79,780,000 | 2.69% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 181,781 | $7,251,000 | 1.91% |
| SECTOR GAMMA AS | 263,488 | $10,511,000 | 1.86% |
| Parkman Healthcare Partners LLC | 136,380 | $5,440,000 | 1.19% |
| Eversept Partners, LP | 442,000 | $17,631,380 | 1.18% |
| Affinity Asset Advisors, LLC | 75,000 | $2,992,000 | 1.07% |
| TANAKA CAPITAL MANAGEMENT INC | 16,661 | $665,000 | 0.90% |
| Sonora Investment Management, LLC | 168,665 | $6,728,000 | 0.88% |