IONS
Ionis Pharmaceuticals Inc
44.50$
+1.6%
vs. previous close
Closing price · As of: Sep 25, 2026
Statements
Cash Flow
Ionis Pharmaceuticals Inc (IONS) by the numbers: income statement, balance sheet and cash flow, by year or by quarter. In the most recent period (2025), "Operating Cash Flow" came in at -269 million USD. Tick rows to compare them in a chart.
All figures in millions of USD.
Tick rows to compare them in a chart (up to 4)
| Line item | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -21 | -21 | -35 | -48 | -23 | -6.2 | -94 | -95 | -102 | -62 | -53 | 36 | 212 | -108 | -64 | -115 | 1.9 | 63 | 6.3 | 21 | -112 | 174 | 603 | 346 | 36 | 31 | -274 | -308 | -501 | -269 | |
| 2.6 | 3.2 | 4.3 | 5.2 | 5.5 | 7.0 | 10 | 12 | 12 | 9.7 | 7.2 | 6.8 | 6.8 | 11 | 9.2 | 12 | 11 | 9.8 | 9.4 | 10 | 9.0 | 8.3 | 13 | 16 | 17 | 20 | 22 | 22 | 20 | 23 | |
| – | – | – | – | – | 4.6 | -3.0 | – | 0.9 | -0.5 | 5.7 | 9.9 | 15 | 13 | 12 | 9.8 | 8.6 | 11 | 31 | 59 | 72 | 86 | 131 | 147 | 230 | 121 | 100 | 106 | 130 | 134 | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | 17 | 11 | -4.2 | 9.4 | 7.0 | 61 | 78 | 86 | -159 | 161 | 529 | 131 | 103 | – | – | – | |
| 2.8 | 6.9 | -7.4 | -9.9 | -0.9 | 25 | -18 | -24 | -24 | -8.9 | 2.6 | 54 | 211 | -104 | -41 | -67 | 50 | 86 | 5.2 | 21 | -152 | 44 | 499 | -169 | -74 | -114 | 7.6 | -77 | -209 | -51 | |
| 0.9 | 3.5 | 4.4 | 4.8 | 1.6 | 9.3 | 37 | 7.6 | 3.5 | 0.4 | 2.6 | 5.0 | 17 | 16 | 18 | 11 | 5.2 | 5.4 | 11 | 12 | 12 | 38 | 18 | 36 | 41 | 18 | 20 | 28 | 45 | 51 | |
| -11 | -15 | 9.1 | -7.9 | -95 | -143 | -60 | -15 | 84 | 0.5 | -33 | -56 | -234 | -212 | 24 | 111 | 18 | -256 | -83 | -60 | 57 | -358 | -930 | -41 | 274 | 195 | -263 | -214 | -134 | -278 | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | – | 166 | – | 17 | 11 | – | – | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4.4 | 3.6 | 9.5 | 236 | 23 | 25 | 13 | 253 | 476 | -34 | -91 | -17 | -11 | – | – | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | -4.4 | -5.9 | 21 | -11 | 35 | -0.6 | -3.1 | 56 | 97 | -22 | 314 | 418 | -51 | 87 | -45 | 502 | |
| 23 | 37 | 15 | 64 | 123 | 237 | 130 | 42 | 12 | 38 | 149 | 44 | 108 | 202 | 4.7 | -0.7 | 39 | 228 | 60 | 25 | 11 | 229 | 476 | 100 | -597 | 246 | -55 | 644 | 478 | 676 | |
| 23 | 37 | 15 | 7.7 | 4.3 | 87 | -25 | -69 | -5.9 | -24 | 64 | 24 | 85 | -119 | -35 | -4.6 | 59 | 35 | -17 | -14 | -44 | 45 | 149 | 404 | -286 | 472 | -593 | 123 | -157 | 130 | |
| -22 | -24 | -39 | -53 | -25 | -15 | -131 | -103 | -105 | -62 | -56 | 31 | 195 | -125 | -81 | -126 | -3.3 | 58 | -4.8 | 9.4 | -124 | 136 | 585 | 309 | -5.2 | 13 | -294 | -336 | -546 | -320 |
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.