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

Sionna Therapeutics' (SION) quarterly Shares Outstanding (Diluted Average) came in at $44.9 million in Q1 2026, up 68.9% year-on-year from $26.6 million in Q1 2025, and up 12.41% quarter-over-quarter from $40.0 million in Q4 2025.

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

Sionna Therapeutics has disclosed Shares Outstanding (Diluted Average) across 3 years of filings, most recently posting $44.9 million for Q1 2026.

  • Shares Outstanding (Diluted Average) for Q1 2026 came in at $44.9 million, up 68.9% year-over-year; the trailing twelve-month figure through Mar 2026 was $44.9 million (up 68.9% YoY), and the FY2025 annual result was $40.0 million, up 935.6% from the prior year.
  • Shares Outstanding (Diluted Average) came in at $44.9 million for Q1 2026 at Sionna Therapeutics, up from $40.0 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $44.9 million in Q1 2026 to a low of $3.1 million in Q1 2024.
  • The 3-year median for Shares Outstanding (Diluted Average) is $26.6 million (2025), against an average of $22.8 million.
  • Across the five-year window, Shares Outstanding (Diluted Average) soared 1136.38% in 2025 and jumped 68.9% in 2026, its largest moves.
  • Sionna Therapeutics' Shares Outstanding (Diluted Average) stood at $3.9 million in 2024, then soared by 935.6% to $40.0 million in 2025, then gained by 12.41% to $44.9 million in 2026.
  • The last three Shares Outstanding (Diluted Average) figures came in at $44.9 million (Q1 2026), $40.0 million (Q4 2025), and $44.3 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares (Diluted Avg.) (Qtr)
1 Alterity Therapeutics 814,307.08 Bn 814,307.05 Bn - -
2 Belite Bio 55,320.00 Bn 55,320.00 Bn - -
3 Quantum Biopharma 17,149.72 Bn 17,149.72 Bn - 4,489.46 Bn
4 Legend Biotech 3,590.00 Bn 3,589.71 Bn 242.10 Mn 810.00
5 Akari Therapeutics 1,650.72 Bn 1,650.72 Bn - 118.76 Bn
6 Evaxion A 1,522.09 Bn 1,522.07 Bn - -
7 Psyence Biomedical 229.39 Bn 229.38 Bn - 1.48 Bn
8 Vertex Pharmaceuticals 113.09 Bn 105.85 Bn 2.59 Bn 256.30 Mn
9 Abivax 90.15 Bn 90.15 Bn - 92.44 Mn
10 Sionna Therapeutics 1.61 Bn 1.61 Bn - 44.92 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 44.92 Mn
Dec 31, 2025 39.96 Mn
Sep 30, 2025 44.26 Mn
Jun 30, 2025 35.40 Mn
Mar 31, 2025 26.60 Mn
Dec 31, 2024 3.86 Mn
Sep 30, 2024 3.58 Mn
Jun 30, 2024 3.16 Mn
Mar 31, 2024 3.08 Mn