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Ionis Pharmaceuticals Inc cash flow statement

In fiscal 2025, Ionis Pharmaceuticals Inc's operations generated −$269m of cash; it spent $51.4m on capital projects, leaving free cash flow of −$320m.

Cash flow statement

US$ millions unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Ionis Pharmaceuticals Inc: cash flow statement, annual
Fiscal year2009Dec 20092010Dec 20102011Dec 20112012Dec 20122013Dec 20132014Dec 20142015Dec 20152016Dec 20162017Dec 20172018Dec 20182019Dec 20192020Dec 20202021Dec 20212022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMJun 2026
Cash from operations−108−64−115263621−1121746033463631−274−308−501−269−496
Depreciation and amortisation457776777111313151410101012
Stock-based pay13121091131597286131147230121100106130134163
Capital spending1313101288735143135121624455164
Free cash flow−122−77−125062−113−119139589315119−290−331−546−320−561
Free cash flow after stock pay−135−89−135−851−33−46−19153458168−229−102−390−437−676−454−724
Share buybacks————————00349100————
Shares issued———01730007244800—004890—

Free cash flow is cash from operations minus capital spending. Free cash flow after stock pay also subtracts stock-based compensation, a real cost to shareholders that the cash flow statement adds back. Dividends, buybacks and shares issued are cash amounts for the period.

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Figures from Ionis Pharmaceuticals Inc's SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Ionis Pharmaceuticals Inc.