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Ionis Pharmaceuticals (IONS) Change in Taxes: 2019-2025

Historic Change in Taxes for Ionis Pharmaceuticals (IONS) over the last 6 years, with Sep 2025 value amounting to $20,000.

  • Ionis Pharmaceuticals' Change in Taxes rose 108.23% to $20,000 in Q3 2025 from the same period last year, while for Sep 2025 it was $60,000, marking a year-over-year increase of 100.19%. This contributed to the annual value of -$2.1 million for FY2024, which is 48.34% up from last year.
  • Per Ionis Pharmaceuticals' latest filing, its Change in Taxes stood at $20,000 for Q3 2025, which was down 99.92% from $26.0 million recorded in Q2 2025.
  • In the past 5 years, Ionis Pharmaceuticals' Change in Taxes registered a high of $26.0 million during Q2 2025, and its lowest value of -$28.9 million during Q4 2023.
  • For the 3-year period, Ionis Pharmaceuticals' Change in Taxes averaged around -$558,909, with its median value being $20,000 (2025).
  • Data for Ionis Pharmaceuticals' Change in Taxes shows a peak YoY increase of 316,800.00% (in 2023) and a maximum YoY decrease of 563.97% (in 2023) over the last 5 years.
  • Over the past 5 years, Ionis Pharmaceuticals' Change in Taxes (Quarterly) stood at -$414,000 in 2021, then surged by 1,605.56% to $6.2 million in 2022, then tumbled by 563.97% to -$28.9 million in 2023, then skyrocketed by 99.98% to -$7,000 in 2024, then soared by 108.23% to $20,000 in 2025.
  • Its Change in Taxes was $20,000 in Q3 2025, compared to $26.0 million in Q2 2025 and -$26.0 million in Q1 2025.