Ionis Pharmaceuticals (IONS) Free Cash Flow (2009 - 2026)

Ionis Pharmaceuticals (IONS) posted quarterly Free Cash Flow of $549.5 million for Q2 2026, up 295.19% year-over-year from $139.0 million in Q2 2025, and up 167.45% quarter-over-quarter from -$814.6 million in Q1 2026.

Ionis Pharmaceuticals (IONS) Free Cash Flow (2009 - 2026) Analysis & Trends

Ionis Pharmaceuticals' Free Cash Flow history runs 18 years deep, the most recent figure standing at $549.5 million for Q2 2026.

  • In Q2 2026, Free Cash Flow rose 295.19% year-over-year to $549.5 million; the TTM figure through Jun 2026 stood at -$560.8 million (down 93.39% YoY), while the FY2025 annual figure was -$320.0 million, up 41.41% from the prior year.
  • Free Cash Flow for Q2 2026 stood at $549.5 million, up from -$814.6 million in the prior quarter.
  • The five-year high for Free Cash Flow was $549.5 million in Q2 2026, with the low at -$814.6 million in Q1 2026.
  • The 5-year median for Free Cash Flow is -$125.1 million (2024), against an average of -$97.4 million.
  • The sharpest annual moves came in 2024 and 2026: Free Cash Flow tumbled 520.48% in 2024, then soared 295.19% in 2026.
  • Ionis Pharmaceuticals' Free Cash Flow stood at -$204.3 million in 2022, then surged by 116.48% to $33.7 million in 2023, then sank by 520.48% to -$141.6 million in 2024, then dropped by 12.26% to -$159.0 million in 2025, then surged by 445.56% to $549.5 million in 2026.
  • Business Quant data shows IONS's Free Cash Flow at $549.5 million in Q2 2026, -$814.6 million in Q1 2026, and -$159.0 million in Q4 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Free Cash Flow (Qtr)
1 Vertex Pharmaceuticals 128.13 Bn 120.28 Bn 2.84 Bn 1.01 Bn
2 Regeneron Pharmaceuticals 112.33 Bn 104.33 Bn 3.93 Bn 572.80 Mn
3 Argenx Se 53.24 Bn 48.05 Bn 1.41 Bn -
4 Revolution Medicines 43.64 Bn 43.64 Bn - -389.61 Mn
5 BeOne Medicines 39.27 Bn 34.17 Bn 1.53 Bn 437.80 Mn
6 MindWalk Holdings 35.32 Bn 35.31 Bn 1.82 Bn -2.33 Mn
7 Royalty Pharma 33.72 Bn 35.84 Bn - 477.44 Mn
8 Alnylam Pharmaceuticals 30.58 Bn 27.27 Bn 992.69 Mn 292.04 Mn
9 Insmed 27.01 Bn 25.85 Bn 358.27 Mn -95.09 Mn
10 Ionis Pharmaceuticals 9.48 Bn 7.43 Bn 265.21 Mn 549.45 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 549.45 Mn
Jun 30, 2026 549.45 Mn
Mar 31, 2026 -814.58 Mn
Mar 31, 2026 -814.58 Mn
Dec 31, 2025 -159.00 Mn
Dec 31, 2025 -159.00 Mn
Sep 30, 2025 -136.71 Mn
Sep 30, 2025 -136.71 Mn
Jun 30, 2025 139.03 Mn
Jun 30, 2025 139.03 Mn
Mar 31, 2025 -163.35 Mn
Mar 31, 2025 -163.35 Mn
Dec 31, 2024 -141.64 Mn
Dec 31, 2024 -141.64 Mn
Sep 30, 2024 -124.05 Mn
Sep 30, 2024 -124.05 Mn
Jun 30, 2024 -126.11 Mn
Jun 30, 2024 -126.11 Mn
Mar 31, 2024 -154.43 Mn
Mar 31, 2024 -154.43 Mn