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

Ionis Pharmaceuticals (IONS) has 7 years of Change in Taxes data on record, last reported at $2.6 million in Q4 2025.

  • For Q4 2025, Change in Taxes rose 37414.29% year-over-year to $2.6 million; the TTM value through Dec 2025 reached $2.7 million, up 226.55%, while the annual FY2025 figure was $2.7 million, 226.55% up from the prior year.
  • Change in Taxes reached $2.6 million in Q4 2025 per IONS's latest filing, up from $20000.0 in the prior quarter.
  • Across five years, Change in Taxes topped out at $26.0 million in Q2 2025 and bottomed at -$28.9 million in Q4 2023.
  • Average Change in Taxes over 5 years is $119850.0, with a median of $11000.0 recorded in 2021.
  • The widest YoY moves for Change in Taxes: up 316800.0% in 2023, down 563.97% in 2023.
  • A 5-year view of Change in Taxes shows it stood at -$414000.0 in 2021, then skyrocketed by 1605.56% to $6.2 million in 2022, then crashed by 563.97% to -$28.9 million in 2023, then skyrocketed by 99.98% to -$7000.0 in 2024, then skyrocketed by 37414.29% to $2.6 million in 2025.
  • Per Business Quant database, its latest 3 readings for Change in Taxes were $2.6 million in Q4 2025, $20000.0 in Q3 2025, and $26.0 million in Q2 2025.