Quick Answer
IONIS PHARMACEUTICALS INC reported R&D Expense of $915.62 million for fiscal year 2025.
IONIS PHARMACEUTICALS INC R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $915.62M | +1.6% |
| 2024 | $901.53M | +0.2% |
| 2023 | $899.62M | +467.7% |
| 2012 | $158.46M | +0.7% |
| 2011 | $157.40M | +8.4% |
| 2010 | $145.16M | +7.8% |
| 2009 | $134.62M | +26.5% |
| 2008 | $106.44M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| June 30, 2013 | $42.63M | +5.4% | +11.3% |
| March 31, 2013 | $38.31M | -1.0% | +4.8% |
| September 30, 2012 | $36.55M | -8.4% | -9.6% |
| June 30, 2012 | $40.44M | +12.3% | +4.4% |
| March 31, 2012 | $38.71M | +13.1% | -3.0% |
| September 30, 2011 | $39.92M | +15.0% | +10.9% |
| June 30, 2011 | $36.01M | -8.0% | +5.2% |
| March 31, 2011 | $34.24M | +7.1% | -1.4% |
- IONIS PHARMACEUTICALS INC showed an increase of +1.6% in R&D Expense compared to the prior fiscal year.
- Over the 2008–2025 period, IONIS PHARMACEUTICALS INC’s r&d expense has grown by 760.2% (from $106.44 million to $915.62 million).
- The most recent figure is from IONIS PHARMACEUTICALS INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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