13FIONIS PHARMACEUTICALS INC (IONS)
3 tracked managers currently hold IONS on their latest filing. Change is versus that manager’s previous filing. Reported as of quarter end, filed up to ~45 days later, not live positions.
Sort: Size Weight change
Sorted by reported value on the latest filing.
| Manager | Period | Change | Value | Weight | Prev weight | Shares | Δ shares |
|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP | Q2 2026 | ADD | $495.7M | 0.4 % | 0.4 % | 6,252,342 | +394,713 |
| D. E. Shaw & Co., Inc. | Q2 2026 | TRIM | $23.6M | 0.0 % | 0.0 % | 297,041 | -132,558 |
| CITADEL ADVISORS LLC | Q2 2026 | TRIM | $18.7M | 0.0 % | 0.1 % | 236,284 | -706,250 |