SION
Sionna Therapeutics, Inc. Common StockNASDAQ
Healthcare • Biotechnology
Updated 1 day ago
Coverage limited
Factor tilt: Anti-Quality Micro Cap
$4.38-6.61%
Close Oct 13, 2026
- Market cap
- $197.75M
- 1 month
- -47.0%
- 3 months
- -90.1%
- 1 year
- -85.1%
- 52-week range
- $4.38$51.04
- Dividend
- No dividends on record
- Next-quarter EPS estimate
- -$0.68Quarter to Sep 30, 2026 · 8 analysts · revenue $0
- Short interest
- 18.5% of float3.8M shares · settled Sep 30, 2026 · -4.2% since Sep 15, 2026 · FINRA
Fundamentals · trailing 12 months to Jun 30, 2026
- Revenue
- —
- Net income
- -$97.38M
- Free cash flow
- -$98.05M
- Book value
- $265.78M
- Total debt
- $8.07M
- P/E
- —
- Price / sales
- —
- Price / book
- 0.7×
- FCF yield
- -49.6%
- Net margin
- —
EODHD (TTM) · as of Oct 13, 2026
End-of-day close from stored market data, not a live quote.
Portfolio context
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Loading market dates
No upcoming ex-dividend date announced
No 8-K filings in the last 30 days.
Smart money context
Holder IQ: MEDIUM
39 top institutions tracked
as of 2026-Q2 (filed 2026-09-22)
Last 13F trend: unchanged (light)
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Sentiment: neutral
Last trade: sell 24 days ago
Red flags: 0
Largest 13-F holders · Q2 2026
147 filers reported a long position in SION for Q2 2026. 13-F holdings are filed up to 45 days after the quarter ends.
| Holder | Value | Shares | Shares vs Q1 2026 |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | $435.7M | 9.9M | Unchanged |
| TPG GP A, LLC | $285.7M | 6.5M | Unchanged |
| VIKING GLOBAL INVESTORS LP | $140.6M | 3.2M | Unchanged |
| Atlas Venture Life Science Advisors, LLC | $131.8M | 3M | Unchanged |
| ORBIMED ADVISORS LLC | $112.4M | 2.6M | -27.6% |
| Enavate Sciences GP, LLC | $109M | 2.5M | Unchanged |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $70.4M | 1.6M | +966.7% |
| BlackRock, Inc. | $64.9M | 1.5M | +13.8% |
| JPMORGAN CHASE & CO | $64.1M | 1.5M | +1.7% |
| JENNISON ASSOCIATES LLC | $51.6M | 1.2M | -19.2% |
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