Ionis Pharmaceuticals IONS Additions for tax positions of prior years
Additions for tax positions of prior years at other companies
Other financials
Where this comes from
Reported directly by Ionis Pharmaceuticals in its filing.
Tagged under the XBRL concept us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions.
The official record: Ionis Pharmaceuticals’s 10-K, filed February 26, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Ionis Pharmaceuticals's additions for tax positions of prior years?
- Ionis Pharmaceuticals (IONS) reported additions for tax positions of prior years of $1.44M in Q4 2025.
- How has Ionis Pharmaceuticals's additions for tax positions of prior years changed year-over-year?
- Ionis Pharmaceuticals's additions for tax positions of prior years increased by 203.7% year-over-year, from $475.5K to $1.44M.
- What is the long-term trend for Ionis Pharmaceuticals's additions for tax positions of prior years?
- Over 2 years (2023 to 2025), Ionis Pharmaceuticals's additions for tax positions of prior years has grown at a 266.9% compound annual growth rate (CAGR), from $429K to $5.78M.
- What does additions for tax positions of prior years mean?
- The addition to tax reserves for tax positions taken in previous years that are now considered more uncertain.
- How do you interpret additions for tax positions of prior years?
- An increase suggests heightened tax risk or ongoing disputes regarding historical tax filings.
- How does additions for tax positions of prior years compare across companies?
- Standard metric for assessing the stability and risk profile of a company's historical tax planning.