Ionis Pharmaceuticals Inc (IONS) — Cash Flow-to-Debt Ratio
Ionis Pharmaceuticals Inc (IONS) has a Cash Flow-to-Debt Ratio of -0.05x as of September 2025, meaning its operating cash flow of $-131.44 Million could theoretically repay 0% of its total liabilities ($2.42 Billion) in one year. See how much free cash does Ionis Pharmaceuticals Inc generate to measure how efficiently the company converts operating cash flow to free cash.
CF-to-Debt Ratio
Operating Cash Flow
Total Liabilities
Data as of
Ionis Pharmaceuticals Inc Cash Flow-to-Debt Ratio (1991–2024)
Historical debt coverage capacity for Ionis Pharmaceuticals Inc across 34 annual periods. Also explore IONS net assets growth trend to track the company's year-over-year net asset growth rate.
Annual Cash Flow-to-Debt Ratio for Ionis Pharmaceuticals Inc (1991–2024)
Year-by-year debt coverage analysis for Ionis Pharmaceuticals Inc. For market capitalisation and broader financial context, see IONS stock market capitalisation.
| Year | CF-to-Debt Ratio | Operating CF (USD) | Total Liabilities | YoY Change |
|---|---|---|---|---|
| 2024 | -0.21x | $-500.95 Million | $2.42 Billion | ▼ -75.6% |
| 2023 | -0.12x | $-307.51 Million | $2.60 Billion | ▲ +15.6% |
| 2022 | -0.14x | $-274.37 Million | $1.96 Billion | ▼ -935.9% |
| 2021 | 0.02x | $30.80 Million | $1.84 Billion | ▼ -27.9% |
| 2020 | 0.02x | $35.89 Million | $1.55 Billion | ▼ -89.6% |
| 2019 | 0.22x | $345.72 Million | $1.55 Billion | ▼ -45.2% |
| 2018 | 0.41x | $602.89 Million | $1.48 Billion | ▲ +111.2% |
| 2017 | 0.19x | $174.15 Million | $903.30 Million | ▲ +239.8% |
| 2016 | -0.14x | $-112.11 Million | $812.90 Million | ▼ -593.1% |
| 2015 | 0.03x | $21.12 Million | $755.32 Million | ▲ +210.6% |
| 2014 | 0.01x | $6.29 Million | $698.03 Million | ▼ -93.4% |
| 2013 | 0.14x | $63.49 Million | $468.77 Million | ▲ +2520.3% |
| 2012 | 0.01x | $1.88 Million | $362.92 Million | ▲ +101.4% |
| 2011 | -0.37x | $-114.80 Million | $313.46 Million | ▼ -76.2% |
| 2010 | -0.21x | $-63.59 Million | $305.94 Million | ▲ +31.9% |
| 2009 | -0.31x | $-108.44 Million | $355.12 Million | ▼ -167.7% |
| 2008 | 0.45x | $212.03 Million | $469.90 Million | ▲ +210.8% |
| 2007 | 0.15x | $36.09 Million | $248.62 Million | ▲ +143.1% |
| 2006 | -0.34x | $-53.23 Million | $158.00 Million | ▲ +10.7% |
| 2005 | -0.38x | $-61.74 Million | $163.71 Million | ▼ -4.0% |
| 2004 | -0.36x | $-101.75 Million | $280.56 Million | ▼ -1.7% |
| 2003 | -0.36x | $-95.47 Million | $267.76 Million | ▼ -7.0% |
| 2002 | -0.33x | $-94.38 Million | $283.21 Million | ▼ -949.7% |
| 2001 | -0.03x | $-6.16 Million | $193.96 Million | ▲ +84.0% |
| 2000 | -0.20x | $-23.19 Million | $116.89 Million | ▲ +58.1% |
| 1999 | -0.47x | $-48.40 Million | $102.31 Million | ▼ -36.7% |
| 1998 | -0.35x | $-34.70 Million | $100.30 Million | ▼ -39.4% |
| 1997 | -0.25x | $-20.60 Million | $83.00 Million | ▲ +49.8% |
| 1996 | -0.49x | $-21.20 Million | $42.90 Million | ▲ +22.4% |
| 1995 | -0.64x | $-15.10 Million | $23.70 Million | ▲ +13.7% |
| 1994 | -0.74x | $-15.20 Million | $20.60 Million | ▲ +2.1% |
| 1993 | -0.75x | $-15.30 Million | $20.30 Million | ▲ +39.0% |
| 1992 | -1.24x | $-19.40 Million | $15.70 Million | ▼ -1094.5% |
| 1991 | -0.10x | $-1.50 Million | $14.50 Million | — |