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IONS Financials Ionis Pharmaceuticals Inc

15 years of revenue, profit, cash flow and balance-sheet history through FY2025, from SEC filings — with a computed, factual read of the trend. Updated Overview →

Growth & profitability

  • Revenue has grown 5.3% per year over the past 5 years.
  • Operating margin has contracted, at -40.4% in the latest year.

Financial health

  • Total debt ($1.8B) exceeds cash ($372M); net debt is $1.4B.
  • Total debt has grown faster than revenue (14.9% vs 5.3% per year).
  • Operating income covered interest expense -22.1× in the latest year, down from -18.1× 5 years ago.
  • The company is unprofitable; at its current free-cash-flow burn it has roughly 1.2 years of cash runway.
Revenue & net income
-$454M $334M $1B $0 2009 2013 2015 2017 2019 2021 2023 2025
RevenueNet income
Margins (gross / operating / net)
-70% 15% 100% 0% 2009 2013 2015 2017 2019 2021 2023 2025
GrossOperatingNet
Free cash flow (CFO − capex)
-$546M $22M $589M $0 2009 2013 2015 2017 2019 2021 2023 2025
Free cash flow
Cash vs total debt
$0 $906M $2B 2009 2013 2015 2017 2019 2021 2023 2025
CashTotal debt
Cash flow: operating / investing / financing
-$930M -$127M $676M $0 2009 2013 2015 2017 2019 2021 2023 2025
OperatingInvestingFinancing

Key annual figures

FYRevenueNet incomeGross MOp MFCFTotal debtCash
2025 $944M -$381M 98.3% -40.4% -$320M $1.8B $372M
2024 $705M -$454M 98.4% -67.4% -$546M $1.3B $242M
2023 $788M -$366M 98.8% -44.9% -$331M $1.3B $399M
2022 $587M -$270M 97.6% -69.8% -$290M $1.2B $276M
2021 $810M -$29M 98.7% -3.7% $19M $869M
2020 $729M -$444M 98.4% -23.6% $772000 $398M
2019 $1.1B $278M 99.6% 32.6% $315M $683M
2018 $600M $274M 99.7% -10.2% $589M $279M
2017 $514M $346000 100.0% 6.0% $139M $130M
2016 $373M -$60M 100.0% -5.4% -$119M $85M
2015 -$88M $13M $129M
2014 -$39M $143M
2013 -$61M $160M
2010 -$61M -$77M $70M
2009 $155M -$122M $105M

Valuation over time

How the market has priced IONS against its own fundamentals since 2023-03 — each month-end's share price set against the most recent annual filing, so the multiple moves as price runs ahead of (or behind) earnings. Split-adjusted.

Price / sales (P/S)
0.0 9.7 19.4 Mar '23 Aug '23 Jan '24 Jun '24 Nov '24 Apr '25 Sep '25 Feb '26
P/S

Frequently asked questions

Is IONS growing its revenue and profit?

Over the past 5 years, Ionis Pharmaceuticals Inc's revenue has grown 5.3% per year. These are computed facts, not advice.

How much debt does IONS have?

As of FY2025, Ionis Pharmaceuticals Inc reported $1.8B of total debt against $372M of cash; operating income covered interest expense -22.1×.

What is IONS's profit margin?

In FY2025, gross margin was 98.3%, operating margin -40.4%, and net margin -40.4%.

Where does this data come from?

All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.

Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted · growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price against the latest annual filing. Informational only — not investment advice.