Sionna Therapeutics SION
NASDAQ SION
$3.70 -0.16 (-4.26%)
As of: Oct 22, 2026 · 12:47 PM EDT

Sionna Therapeutics (SION) Shares Outstanding (2024 - 2026)

Updated

Sionna Therapeutics' Shares Outstanding came in at 45.15 million for Q2 2026, up 2.3% from 44.12 million a year earlier and up 0.5% from the prior quarter.

Analysis

Sionna Therapeutics (SION) Shares Outstanding (2024 - 2026) Analysis & Trends

For FY2025, Sionna Therapeutics' Shares Outstanding was 39.96 million, up 935.6% from FY2024.

  • Going back by year, Shares Outstanding was 3.86 million in FY2024.
  • The Q2 2026 figure represents the highest quarterly Shares Outstanding in data going back to Q1 2024.
  • Year-over-year, Shares Outstanding has increased for four consecutive quarters, with growth averaging 531.2% over the last five quarters.
  • Business Quant data shows SION's Shares Outstanding at 44.92 million (Q1 2026), 39.96 million (Q4 2025) and 44.26 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Qtr)
1 Eli Lilly 1,169.59 Bn 1,138.18 Bn 19.71 Bn 892.40 Mn
2 Johnson & Johnson 643.18 Bn 561.71 Bn 17.26 Bn 2.41 Bn
3 AbbVie 500.89 Bn 474.00 Bn 12.70 Bn 1.77 Bn
4 Merck 361.55 Bn 315.92 Bn 12.21 Bn 2.47 Bn
5 Novartis Ag 302.33 Bn 266.32 Bn 11.24 Bn 1.94 Bn
6 Astrazeneca 267.31 Bn 241.00 Bn 12.86 Bn 1.55 Bn
7 Amgen 241.52 Bn 196.92 Bn 7.24 Bn 540.00 Mn
8 Gilead Sciences 193.17 Bn 167.37 Bn 6.22 Bn 1.24 Bn
9 Pfizer 171.65 Bn 118.30 Bn 10.94 Bn 5.70 Bn
10 Sionna Therapeutics 168.41 Mn -742.99 Mn - 45.15 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 45.15 Mn
Mar 31, 2026 44.92 Mn
Dec 31, 2025 39.96 Mn
Sep 30, 2025 44.26 Mn
Jun 30, 2025 44.12 Mn
Mar 31, 2025 26.60 Mn
Dec 31, 2024 3.86 Mn
Sep 30, 2024 4.49 Mn
Jun 30, 2024 3.16 Mn
Mar 31, 2024 3.08 Mn
API Access

Sionna Therapeutics Shares Outstanding API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding&ticker=SION&period=max&api_key=YOUR_API_KEY