Ionis Pharmaceuticals (IONS) Shares Outstanding (Diluted Average) (2009 - 2026)

Ionis Pharmaceuticals' Shares Outstanding (Diluted Average) history runs 12 years deep, the most recent figure standing at $164.9 million for Q1 2026.

• In Q1 2026, Shares Outstanding (Diluted Average) rose 3.87% year-over-year to $164.9 million; the TTM figure through Mar 2026 stood at $164.9 million (up 3.87% YoY), while the FY2025 annual figure was $160.0 million, up 7.02% from the prior year.
• Shares Outstanding (Diluted Average) was $164.9 million for Q1 2026 at Ionis Pharmaceuticals, up from $160.0 million in the prior quarter.
• In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $164.9 million in Q1 2026 to a low of $141.6 million in Q1 2022.
• Historically, Shares Outstanding (Diluted Average) has averaged $148.7 million across 5 years, with a median of $145.5 million in 2024.
• The sharpest annual moves came in 2022 and 2025: Shares Outstanding (Diluted Average) increased 0.57% in 2022, then gained 9.07% in 2025.
• A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $141.8 million in 2022, then grew by 0.95% to $143.2 million in 2023, then advanced by 4.42% to $149.5 million in 2024, then advanced by 7.02% to $160.0 million in 2025, then grew by 3.04% to $164.9 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $164.9 million (Q1 2026), $160.0 million (Q4 2025), and $159.2 million (Q3 2025), per Business Quant data.