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Ionis Pharmaceuticals (IONS) Profit After Tax: 2009-2025

Historic Profit After Tax for Ionis Pharmaceuticals (IONS) over the last 17 years, with Sep 2025 value amounting to -$128.6 million.

  • Ionis Pharmaceuticals' Profit After Tax rose 8.45% to -$128.6 million in Q3 2025 from the same period last year, while for Sep 2025 it was -$256.3 million, marking a year-over-year increase of 28.56%. This contributed to the annual value of -$453.9 million for FY2024, which is 23.92% down from last year.
  • Ionis Pharmaceuticals' Profit After Tax amounted to -$128.6 million in Q3 2025, which was down 204.09% from $123.6 million recorded in Q2 2025.
  • Over the past 5 years, Ionis Pharmaceuticals' Profit After Tax peaked at $224.6 million during Q4 2021, and registered a low of -$147.4 million during Q3 2023.
  • Moreover, its 3-year median value for Profit After Tax was -$124.3 million (2023), whereas its average is -$88.4 million.
  • As far as peak fluctuations go, Ionis Pharmaceuticals' Profit After Tax slumped by 1,026.51% in 2024, and later soared by 286.45% in 2025.
  • Ionis Pharmaceuticals' Profit After Tax (Quarterly) stood at $224.6 million in 2021, then crashed by 123.34% to -$52.4 million in 2022, then soared by 82.33% to -$9.3 million in 2023, then crashed by 1,026.51% to -$104.3 million in 2024, then grew by 8.45% to -$128.6 million in 2025.
  • Its Profit After Tax was -$128.6 million in Q3 2025, compared to $123.6 million in Q2 2025 and -$146.9 million in Q1 2025.