Cross-fund · 5 holders
SION
SIONNA THERAPEUTICS INC
CUSIP 829401108
5
Tracked holders
$158.6M
Aggregate value
3,924,939
Shares
5
Active funds
Funds holding SION
| Fund | Strategy | Period | Value | % of book | Δ shares | Status |
|---|---|---|---|---|---|---|
| BlackRock | Institutional | Q1 2026 | $52.0M | — | +4,268 | +0.3% |
| Vanguard | Institutional | Q4 2025 | $48.7M | — | +41,797 | +3.7% |
| Citadel | Multi-Strategy | Q1 2026 | $46.8M | 0.01% | +79,606 | +7.3% |
| Millennium | Multi-Strategy | Q1 2026 | $5.6M | — | +60,095 | +74.6% |
| Point72FEAT | Multi-Strategy | Q1 2026 | $5.5M | 0.01% | +136,549 | NEW |
Aggregated from the latest 13F-HR per tracked fund (longs only). QoQ deltas compare against each fund's prior quarterly filing.