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ST

Sionna Therapeutics, Inc. (SION)

NASDAQ • Healthcare

$7.04
+$0.16 (+2.3%)
Market closed

Last close at September 16, 2026 at 20:00 UTC

Open$6.95
Day Range$6.91 - $7.35
Avg. Volume (3M)1.4M
Market Cap$317.8M
52 Week Range
$4.01$54.97
Next EarningsIn 49 daysNov 4, 2026

Metrics Over Time

Fundamentals & Financials

Revenue (TTM)
$0
Net Income (TTM)
-$97.3M
EPS (TTM)
-$2.18
ROA (TTM)
-34.38%
Current Ratio
20.05

TTM is calculated as the sum of the four most recently completed quarters. This is a standard approach when monthly or real-time data is not available.

Earnings

+14.7%Q1 2026-$0.46
-15.4%Q2 2026-$0.6
-1.5%Q3 2026-$0.66
Next

Nov 4

in 49 daysQ4 2026

% — EPS deviation from the forecast (beat / miss); quarters without a forecast show the reported EPS

Latest report — Q3 2026
Miss -1.5%

Sionna Therapeutics’ bottom line came in slightly below expectations as EPS of -$0.66 trailed the -$0.65 estimate (difference -$0.01) in the second fiscal quarter of 2026, based on preliminary results reported August 6, 2026. The early-stage cystic fibrosis-focused biotech posted a GAAP net loss of about $29.9 million, down 65.4% from about $18.1 million a year ago, alongside GAAP operating income of roughly -$32.5 million as it continued funding its pipeline work. EPS of -$0.66 was down 61.0% from -$0.41 in the year-ago quarter. Cash use remained elevated, with negative operating cash flow of about $44.1 million during the period. For the next period, consensus calls for EPS of -$0.63.

View full earnings history

About Sionna Therapeutics, Inc.

Sionna Therapeutics, Inc. is a NASDAQ-listed Biotechnology company in the healthcare sector that researches and develops medicines for cystic fibrosis. The company is an early-stage drug developer rather than a commercial business, with its work centered on advancing a pipeline of cystic fibrosis candidates from Phase 1 through Phase 2 and Phase 2a proof-of-concept studies.

Name
Sionna Therapeutics, Inc.
CEO
Michael Cloonan
Website
www.sionnatx.com
Industry
Healthcare
Year Founded
2019
Employees
59

Today's Snapshot

AI-generated

SION closed 2.3% higher on heavier trading than usual. Sionna Therapeutics raised $120 million in funding led by Forbion, a biotech investor.

Trading Volume

Above 10d avg 1.3M

1.9M

vs S&P 500 Today

Outperforming Market

+2.91%

Updated: September 16, 2026 at 20:09 UTC

Technical Indicators

0 Buy3 Neutral5 Sell
SION exhibits a clear bearish technical profile, with a strong ADX reading signaling a powerful trend while price sits well below long-term moving averages, amplifying the downside bias. Momentum indicators are mixed—RSI is near the low 30s suggesting limited downside momentum while MACD remains negative—yet short-term EMAs are below the current price indicating recent weakness. Volatility is elevated with ATR around 21.7% of price, and the pivot sits near current levels, offering little immediate support. Technical takeaway: Strong Sell — trend strength and long-term moving averages dominate the picture.
All signals
  • EMA (5 indicators)$7.39 - $31.93
    Sell
  • RSI (14)31.28
    Neutral
  • Stochastic %K (14, 3, 3)59.09
    Neutral
  • MACD Level (12, 26)-4.15
    Neutral

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