Ionis Pharmaceuticals Inc (IONS) — Free Cash Flow Generation Index

Latest as of June 2026: 0.97x

Ionis Pharmaceuticals Inc (IONS) has a Free Cash Flow Generation Index of 0.97x as of June 2026. Free cash flow of $549.45 Million represents 1% of operating cash flow ($565.53 Million). Explore how much does Ionis Pharmaceuticals Inc reinvest in capital to see what proportion of operating cash flow is directed to capital expenditures.

FCF Generation Index

0.97x
Free Cash Flow / Operating CF

Free Cash Flow

$549.45 Million
USD

Operating Cash Flow

$565.53 Million
USD

Capital Expenditures

$16.08 Million
USD

Ionis Pharmaceuticals Inc Free Cash Flow Generation Index (2007–2021)

Historical FCF Generation Index trend for Ionis Pharmaceuticals Inc across 11 annual periods. For the full cash flow conversion analysis, see how efficiently does Ionis Pharmaceuticals Inc generate cash.

Annual Free Cash Flow Generation for Ionis Pharmaceuticals Inc (2007–2021)

Year-by-year Free Cash Flow Generation Index for Ionis Pharmaceuticals Inc. Check Ionis Pharmaceuticals Inc (IONS) total reinvestment rate to assess the company's total reinvestment commitment from operating cash flow.

Year FCG Index Free Cash Flow (USD) Operating CF Capital Expenditures YoY Change
2021 0.42x $12.90 Million $30.80 Million $17.90 Million ▲ +391.5%
2020 -0.14x $-5.16 Million $35.89 Million $41.05 Million ▼ -116.0%
2019 0.90x $309.44 Million $345.72 Million $36.28 Million ▼ -7.8%
2018 0.97x $585.24 Million $602.89 Million $17.65 Million ▲ +24.0%
2017 0.78x $136.29 Million $174.15 Million $37.86 Million ▲ +76.3%
2015 0.44x $9.38 Million $21.12 Million $11.75 Million ▲ +157.9%
2014 -0.77x $-4.82 Million $6.29 Million $11.10 Million ▼ -183.7%
2013 0.92x $58.13 Million $63.49 Million $5.36 Million ▲ +152.1%
2012 -1.76x $-3.29 Million $1.88 Million $5.17 Million ▼ -291.0%
2008 0.92x $194.96 Million $212.03 Million $17.07 Million ▲ +6.8%
2007 0.86x $31.08 Million $36.09 Million $5.01 Million
FCG Index = Free Cash Flow / Operating Cash Flow. FCF = Operating CF + Capital Expenditures (capex stored negative).