IONIS PHARMACEUTICALS INC's ticker is and the CUSIP is 462222AD2. A total of 55 filers reported holding IONIS PHARMACEUTICALS INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 127,800,000 | $118,341,522 | 2.45% |
| Boussard & Gavaudan Investment Management LLP | 17,500 | $16,097,175 | 1.78% |
| BRAIDWELL LP | 52,740,000 | $48,949,313 | 1.64% |
| WOLVERINE ASSET MANAGEMENT LLC | 109,030,000 | $101,603,446 | 1.05% |
| Sonora Investment Management Group, LLC | 9,195,000 | $8,531,756 | 0.78% |
| CSS LLC/IL | 11,966,000 | $11,133,286 | 0.63% |
| MACKAY SHIELDS LLC | 24,332,000 | $22,563,542 | 0.58% |
| SSI INVESTMENT MANAGEMENT LLC | 6,935,000 | $6,401,874 | 0.41% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 18,450,000 | $17,123,906 | 0.30% |
| Magnetar Financial LLC | 16,700,000 | $15,510 | 0.26% |