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Ionis Pharmaceuticals, Inc. (IONS) Free Cash Flow 2021–2025

DATA UPDATED 2026-07-09

Ionis Pharmaceuticals, Inc. annual free cash flow for fiscal 2025 was -$326 million, an increase of 40.9% from -$551 million in fiscal 2024. All figures are reported results from public filings — no estimates or projections.

IONS Annual Free Cash Flow

Free Cash Flow (annual)2025-12-312024-12-312023-12-312022-12-312021-12-31
Free Cash Flow($326M)($551M)($336M)($294M)—

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

IONS Quarterly Free Cash Flow

Free Cash Flow (quarterly)2026-03-312025-12-312025-09-302025-06-302025-03-312024-12-31
Free Cash Flow($816M)($160M)($138M)$137M($164M)—

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

More IONS metrics: Revenue · Gross Profit · Operating Income · Net Income · EPS

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