Ionis Pharmaceuticals (IONS) Other Operating Expenses (2010 - 2026)

Ionis Pharmaceuticals' Other Operating Expenses history runs 13 years deep, the most recent figure standing at $3.0 million for Q1 2026.

• On a quarterly basis, Other Operating Expenses rose 103.9% year-over-year to $3.0 million in Q1 2026; TTM through Mar 2026 was $17.4 million, a 65.56% increase from a year earlier, with the FY2025 full-year figure at $15.9 million, up 132675.0% from the prior year.
• Other Operating Expenses declined to $3.0 million in Q1 2026 per IONS's latest filing, from $8.0 million in the prior quarter.
• Across five years, Other Operating Expenses topped out at $756.8 million in Q4 2022 and bottomed at $1.1 million in Q3 2024.
• The 5-year median for Other Operating Expenses is $3.0 million (2026), against an average of $47.4 million.
• Across the five-year window, Other Operating Expenses slumped 99.6% in 2023 and jumped 118.3% in 2025, its largest moves.
• Year by year, Other Operating Expenses stood at $756.8 million in 2022, then slumped by 99.6% to $3.1 million in 2023, then gained by 25.09% to $3.8 million in 2024, then soared by 107.81% to $8.0 million in 2025, then slumped by 62.51% to $3.0 million in 2026.
• Per Business Quant, the three latest IONS Other Operating Expenses figures stand at $3.0 million (Q1 2026), $8.0 million (Q4 2025), and $2.3 million (Q3 2025).