IONIS PHARMACEUTICALS INC's ticker is and the CUSIP is 462222AD2. A total of 43 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2022. 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 | $128,518,000 | 2.56% |
| WOLVERINE ASSET MANAGEMENT LLC | 107,030,000 | $106,622,000 | 1.15% |
| MACKAY SHIELDS LLC | 24,472,000 | $24,283,000 | 0.61% |
| SSI INVESTMENT MANAGEMENT LLC | 6,945,000 | $6,865,000 | 0.46% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 20,000,000 | $19,863,000 | 0.36% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 15,500,000 | $15,433,000 | 0.35% |
| Magnetar Financial LLC | 16,700,000 | $16,606,000 | 0.23% |
| CAMDEN ASSET MANAGEMENT L P /CA | 4,300,000 | $4,249,000 | 0.14% |
| CAPSTONE INVESTMENT ADVISORS, LLC | 18,700,000 | $18,571,000 | 0.11% |
| RWC Asset Management LLP | 2,500,000 | $2,497,000 | 0.08% |