Ionis Pharmaceuticals, Inc. (IONS) /

The debt of Ionis Pharmaceuticals, Inc. over the past 10 years

Chart Ionis Pharmaceuticals, Inc.: liquid cash, total debt, net cash, fiscal 2016–2025 Open the chart →

At the end of fiscal 2025, the latest fiscal year on file, Ionis Pharmaceuticals, Inc. had liquid cash of $2.68B and total debt of $1.75B: net cash of $926.16M. It had more liquid cash than debt at all 10 year-ends shown. Total debt was highest at the end of fiscal 2025 ($1.75B) and lowest at the end of fiscal 2016 ($500.51M).

Year by year

Fiscal yearLiquid cashTotal debt*Net cash*
2025ended Dec 31, 2025$2.68B*$1.75B$926.16M
2024ended Dec 31, 2024$2.3B*$1.19B$1.1B
2023ended Dec 31, 2023$2.33B*$1.23B$1.1B
2022ended Dec 31, 2022$1.99B*$1.17B$820.12M
2021ended Dec 31, 2021$2.11B*$1.16B$953.54M
2020ended Dec 31, 2020$1.89B*$879.65M$1.01B
2019ended Dec 31, 2019$2.5B*$710.04M$1.79B
2018ended Dec 31, 2018$2.08B*$581.95M$1.5B
2017ended Dec 31, 2017$1.02B*$533.11M$489.6M
2016ended Dec 31, 2016$665.22M*$500.51M$164.71M

Fiscal years as Ionis Pharmaceuticals, Inc. reports them. * Calculated by us from the company's filed figures; — no figure on file. From SEC filings, updated nightly. How each line is read.

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Not investment advice. This page shows what Ionis Pharmaceuticals, Inc. filed with the SEC. Nothing here is a recommendation about any security. Check important figures against the company's own filings.