29.31
price down icon0.37%   -0.11
after-market After Hours: 29.00 -0.31 -1.06%
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Sionna Therapeutics Inc Stock (SION) Price History

The historical daily chart and data for Sionna Therapeutics Inc stock (SION), show that the latest closing stock price as of October 13, 2025, is $29.31.
  • Sionna Therapeutics Inc all-time high stock price is $30.61, occurred on September 30, 2025.
  • The lowest Sionna Therapeutics Inc stock price recorded was $7.255 on April 11, 2025. Since then, Sionna Therapeutics Inc's stock price has risen over 304.00% to $29.31 now.
  • The 52-week high stock price for SION is $30.61, representing a 4.42% increase from the current share price, occurred on September 30, 2025.
  • The 52-week low stock price for SION is $7.255, indicating a -75.25% decrease from the current share price, occurred on April 11, 2025.
The table below shows more information about SION historical price data:
Date High Low High - Low Volume % Change
Oct 13, 2025 $31.02 $28.89 $2.13 405,155.0 -0.37%
Oct 10, 2025 $30.14 $27.72 $2.42 501,311.0 +3.77%
Oct 09, 2025 $28.51 $24.65 $3.86 538,352.0 -0.53%
Oct 08, 2025 $28.72 $27.54 $1.18 431,851.0 -0.38%
Oct 07, 2025 $29.44 $28.00 $1.44 153,162.0 -2.19%
Oct 06, 2025 $30.14 $29.06 $1.07 254,491.0 -2.53%
Oct 03, 2025 $30.13 $29.25 $0.88 212,035.0 +2.42%
Oct 02, 2025 $29.34 $26.76 $2.58 165,301.0 +2.92%
Oct 01, 2025 $30.26 $27.79 $2.47 204,489.0 -3.20%
Sep 30, 2025 $30.61 $27.49 $3.12 225,074.0 -0.37%
Sep 29, 2025 $30.42 $28.79 $1.64 532,168.0 +2.00%
Sep 26, 2025 $29.02 $25.66 $3.36 216,748.0 +5.24%
Sep 25, 2025 $28.03 $26.49 $1.54 182,829.0 +1.55%
Sep 24, 2025 $27.49 $25.75 $1.74 564,535.0 +1.31%
Sep 23, 2025 $27.39 $25.34 $2.05 356,672.0 +3.24%
Sep 22, 2025 $26.20 $22.79 $3.41 302,744.0 +11.88%
Sep 19, 2025 $23.98 $22.29 $1.69 492,983.0 -0.39%
Sep 18, 2025 $23.69 $22.46 $1.23 353,676.0 +4.55%
Sep 17, 2025 $24.77 $22.00 $2.77 252,701.0 -4.51%
Sep 16, 2025 $23.79 $21.73 $2.05 167,627.0 +4.30%
Sep 15, 2025 $23.23 $21.76 $1.47 102,572.0 -2.28%

Sionna Therapeutics Inc Stock (SION) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Sionna Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of SION shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Sionna Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Sionna Therapeutics Inc Stock (SION) Price History 2025

Month High Low High - Low Volume % Change
Oct, 2025 $31.02 $24.65 $6.38 3,271,302.0 -0.34%
Sep, 2025 $30.61 $20.60 $10.00 6,711,734.0 +19.46%
Aug, 2025 $26.50 $16.38 $10.12 3,931,947.0 +46.90%
Jul, 2025 $21.94 $16.14 $5.80 3,276,224.0 -3.40%
Jun, 2025 $18.85 $13.33 $5.52 4,958,757.0 +26.73%
May, 2025 $14.66 $11.67 $2.99 3,120,150.0 +13.80%
Apr, 2025 $13.41 $7.25 $6.16 3,116,357.0 +15.01%
Mar, 2025 $17.81 $10.27 $7.54 4,862,679.0 -24.04%
Feb, 2025 $24.90 $13.21 $11.69 3,038,339.0 +0.00%
$84.73
price up icon 1.11%
$22.93
price up icon 7.40%
$32.68
price up icon 2.73%
$102.30
price up icon 0.24%
$163.94
price up icon 0.99%
biotechnology ONC
$327.03
price up icon 2.16%
Cap:     |  Volume (24h):