SION (Sionna Therapeutics Inc.) historical data
STOCKListed1-minute bars
| Symbol | SION |
|---|---|
| Name | Sionna Therapeutics Inc. |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Biotechnology |
| IPO date | 2025-02-07 |
| History | 2025-02-07 to 2026-10-09 (about 1 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
SION last closed at $4.90 on 2026-10-09, -82.7% over the past year. Its deepest fall from a prior high in this history was -91.2%, reached on 2026-08-10.
| Last close | $4.90 (2026-10-09) |
|---|---|
| 1-year change | -82.7% |
| Annualized since 2025-02-07 | -62.4% |
| 52-week range | $4.50 – $51.04 |
| Deepest drawdown | -91.2% (2026-08-10) |
| Avg. daily dollar volume (3 months) | $20.4m |
| Daily bars in history | 419 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 147 |
|---|---|
| Shares held | 48,281,390 ($2.1bn reported value) |
| Quarter flows | 35 new, 57 added, 40 trimmed, 10 exited; +2,640,466 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("SION") on the look-back bundles. Top holders of SION · All 13F managers
Get it in Python
import finzdata as yf
df = yf.Ticker("SION").history(start="2025-02-07", interval="1d")
df.tail()