13FSIONNA THERAPEUTICS INC (SION)
5 tracked managers currently hold SION 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 |
|---|---|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP | Q2 2026 | HELD | $140.6M | 0.4 % | 0.4 % | 3,195,181 | 0 |
| CITADEL ADVISORS LLC | Q2 2026 | TRIM | $50.5M | 0.0 % | 0.0 % | 1,147,636 | -19,295 |
| MILLENNIUM MANAGEMENT LLC | Q2 2026 | ADD | $12.2M | 0.0 % | 0.0 % | 276,733 | +136,092 |
| D. E. Shaw & Co., Inc. | Q2 2026 | NEW | $4.5M | 0.0 % | — | 101,644 | NEW |
| Point72 Asset Management, L.P. | Q2 2026 | TRIM | $2.2M | 0.0 % | 0.0 % | 49,328 | -87,221 |