IONIS PHARMACEUTICALS INC Financial Summary

Quick Answer

IONIS PHARMACEUTICALS INC reported Total Revenue of $943.71 million for fiscal year 2025.

IONIS PHARMACEUTICALS INC — Key Financials by Year

Metric 2025 2024 2023 2022 2021 2020
Total Revenue $943.71M
+33.8%
$705.14M
-10.5%
$787.65M
+34.1%
$587.37M
-27.5%
$810.46M
+11.1%
$729.26M
-35.0%
Revenue (ASC 606) $943.71M
+33.8%
$705.14M
-10.5%
$787.65M
+34.1%
$587.37M
-27.5%
$810.46M
+11.1%
$729.26M
-35.0%
Net Income -$381.39M
+16.0%
-$453.90M
-23.9%
-$366.29M
-35.8%
-$269.72M
-843.2%
-$28.60M
+93.6%
-$444.26M
-259.7%
Diluted EPS -$2.38
+21.7%
-$3.04
-18.8%
-$2.56
-34.7%
-$1.90
-850.0%
-$0.20
+93.7%
-$3.18
-267.4%
Total Assets $3.52B
+17.3%
$3.00B
+0.5%
$2.99B
+18.0%
$2.53B
-3.0%
$2.61B
+9.3%
$2.39B
-26.1%
Cash and Equivalents $372.26M
+53.8%
$242.08M
-39.4%
$399.27M
+44.4%
$276.47M
-68.2%
$869.19M
+118.6%
$397.66M
-41.8%
Stockholders Equity $489.09M
-16.9%
$588.35M
+52.2%
$386.69M
-32.5%
$572.89M
-25.8%
$771.74M
+3.8%
$743.28M
-49.5%
R&D Expense $915.62M
+1.6%
$901.53M
+0.2%
$899.62M
Operating Income -$381.68M
+19.7%
-$475.08M
-34.3%
-$353.73M
+13.8%
-$410.19M
-1258.9%
-$30.19M
+82.5%
-$172.08M
-147.0%
Shares Outstanding 163.30M
+3.4%
157.91M
+9.4%
144.34M
+1.6%
142.06M
+0.6%
141.21M
+0.6%
140.37M
+0.0%

Most Recent Quarter

Metric Quarter Ending Value YoY QoQ
Total Revenue September 30, 2025 $156.72M +17.1% -65.3%
Revenue (ASC 606) September 30, 2025 $156.72M +17.1% -65.3%
Net Income September 30, 2025 -$128.61M +8.5% -204.1%
Diluted EPS September 30, 2025 -$0.80 +15.8% -214.3%
Total Assets September 30, 2025 $3.03B -1.6% +1.6%
Cash and Equivalents September 30, 2025 $338.34M +1.1% +13.8%
Stockholders Equity September 30, 2025 $617.97M -6.7% -2.2%
R&D Expense June 30, 2013 $42.63M +5.4% +11.3%
Operating Income September 30, 2025 -$160.18M -7.8% -214.6%
Shares Outstanding September 30, 2025 161.14M +2.1% +1.2%
  • IONIS PHARMACEUTICALS INC reported Total Revenue of $943.71 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +33.8% in Total Revenue compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Revenue (ASC 606) of $943.71 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +33.8% in Revenue (ASC 606) compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Net Income of -$381.39 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +16.0% in Net Income compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Diluted EPS of $2.38 per share (loss) for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +21.7% in Diluted EPS compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Total Assets of $3.52 billion for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +17.3% in Total Assets compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Cash and Equivalents of $372.26 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +53.8% in Cash and Equivalents compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Stockholders Equity of $489.09 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed a decrease of -16.9% in Stockholders Equity compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported R&D Expense of $915.62 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +1.6% in R&D Expense compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Operating Income of -$381.68 million for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +19.7% in Operating Income compared to the prior fiscal year.
  • IONIS PHARMACEUTICALS INC reported Shares Outstanding of 163.30 million shares for fiscal year 2025.
  • IONIS PHARMACEUTICALS INC showed an increase of +3.4% in Shares Outstanding compared to the prior fiscal year.
  • All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.

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