Ionis Pharmaceuticals, Inc.

IONS Healthcare Biotechnology

Ionis Pharmaceuticals, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $943.7 million, up 33.8% from fiscal 2024.

Revenue
−40.7%
EPS
−188.5%
Free cash flow
+299.3%
Total debt
+116.0%

Quarter to June 2026, against a year earlier

39.48 0.68 +1.75%
Market cap
$6.5B
P/E
0.0×
Fwd P/E
−12.2×
Dividend yield
—
F-score
4/9
Altman Z
2.12
Beneish M
−3.13
Dividend safety
n/a

Ionis Pharmaceuticals, Inc. (IONS) EV/FCF

Alert me on EV/FCF

As of 6 November 2026, Ionis Pharmaceuticals, Inc. (IONS) trades at a EV/FCF of −11.0×. Over the past ten years it has ranged from −1,542× (January 2021) to 762× (December 2015); the current reading is higher than 49% of that period.

EV/FCF, daily

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Annual newest first

Period EV/FCF Change
FY2025 −36.1× —
FY2024 −7.7× —
FY2023 −19.4× —
FY2022 −108× —
FY2021 292× —
FY2020 −1,346× —
FY2019 21.8× 123.26%
FY2018 9.8× (76.62%)
FY2017 41.8× —
FY2016 −45.1× —

Quarterly newest first

Period EV/FCF Change
Jun 2026 −22.6× —
Mar 2026 −12.5× —
Dec 2025 −36.1× —
Sep 2025 −28.6× —
42 more quarters

Against its own ten years

Low −1,542× High 762×
Ten-year median −8.3×
Current reading's percentile 49

EV/FCF against peers

What EV/FCF is

EV/Free CF shows how the value of a whole company, debt included, compares with the free cash its business produces.

((Stock Price × Shares (Basic, Weighted) (latest quarter)) + (Long Term Debt (Total) (latest quarter) + Current Part of Debt (latest quarter)) − Cash & Short Term Investments (latest quarter)) ÷ (Operating Cash Flow (TTM) + Property, Plant, Equipment Change (Net) (TTM) + Intangible Assets Change (Net) (TTM))

The full definition of EV/FCF →

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