IONSIonis Pharmaceuticals, Inc.

$63.37

Is the business good?

How good a business is IONS?

Ionis Pharmaceuticals, Inc. keeps −68% of every revenue dollar as operating profit, against −72% for the median Biotechnology name.

−68%

Operating margin · Biotechnology median −72% · 12 months to Q2 2026

Share count, year on year
−9.3%

Share count, year on year · bought back, each share owns more of the company

Gross margin
98%

Gross margin

Operating margin by fiscal year
YearOperating margin
FY2020−24%
FY2021−3.7%
FY2022−70%
FY2023−45%
FY2024−67%
FY2025−40%
Details
Gross margin12 months to Q2 2026
98%
Operating margin12 months to Q2 2026
−68%
Net margin12 months to Q2 2026
−65%
Free cash flow margin
−64%
Revenue, trailing twelve months
$874M
Free cash flow, trailing twelve months
−$561M
Net income, trailing twelve months
−$565M

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.