X4 Pharmaceuticals (XFOR) Free Cash Flow (2017 - 2025)

X4 Pharmaceuticals posted quarterly Free Cash Flow of -$16.0 million for Q4 2025, up 51.54% year-on-year from -$10.6 million in Q4 2024, and up 42.4% on a QoQ basis from -$27.8 million in Q3 2025.

X4 Pharmaceuticals (XFOR) has 9 years of Free Cash Flow data on file, last reported at -$16.0 million in Q4 2025.

  • For the quarter ending Q4 2025, Free Cash Flow rose 51.54% year-over-year to -$16.0 million; the trailing twelve-month figure through Dec 2025 stood at -$86.1 million (up 47.77% YoY), and the FY2025 full-year result was -$86.1 million, up 34.39% from the prior year.
  • Free Cash Flow for Q4 2025 stood at -$16.0 million, up from -$27.8 million in the prior quarter.
  • Across five years, Free Cash Flow topped out at -$12.4 million in Q1 2025 and bottomed at -$68.8 million in Q3 2023.
  • The 5-year median for Free Cash Flow is -$23.4 million (2022), against an average of -$28.5 million.
  • The widest annual swing landed in 2023, when Free Cash Flow sank 256.33%; it then surged 63.16% in 2025.
  • A 5-year view of Free Cash Flow shows it stood at -$19.1 million in 2021, then dropped by 0.32% to -$19.1 million in 2022, then plunged by 44.94% to -$27.7 million in 2023, then dropped by 19.17% to -$33.0 million in 2024, then surged by 51.54% to -$16.0 million in 2025.
  • The last three Free Cash Flow figures came in at -$16.0 million (Q4 2025), -$27.8 million (Q3 2025), and -$29.9 million (Q2 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Free Cash Flow (Qtr)
1 Quantum Biopharma 1,216,509.61 Bn 1,216,509.61 Bn - -1.67 Mn
2 Alterity Therapeutics 764,224.41 Bn 764,224.38 Bn - -
3 Legend Biotech 2,716.00 Bn 2,715.71 Bn 242.10 Mn -12.20 Mn
4 Nanobiotix 2,248.83 Bn 2,248.77 Bn - -
5 Akari Therapeutics 1,951.18 Bn 1,951.17 Bn - -2.49 Mn
6 Vertex Pharmaceuticals 113.69 Bn 106.44 Bn 2.59 Bn 1.29 Bn
7 Evaxion A 64.16 Bn 64.14 Bn - -
8 Regeneron Pharmaceuticals 63.94 Bn 55.18 Bn 3.31 Bn 848.30 Mn
9 Alnylam Pharmaceuticals 40.13 Bn 37.12 Bn 959.66 Mn 48.67 Mn
10 X4 Pharmaceuticals 182.28 Mn 182.28 Mn 2.20 Mn -16.01 Mn

Historic Data

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DateValue
Dec 31, 2025 -16.01 Mn
Dec 31, 2025 -16.01 Mn
Sep 30, 2025 -27.79 Mn
Sep 30, 2025 -27.79 Mn
Jun 30, 2025 -29.90 Mn
Jun 30, 2025 -29.90 Mn
Mar 31, 2025 -12.40 Mn
Mar 31, 2025 -12.40 Mn
Dec 31, 2024 -33.04 Mn
Dec 31, 2024 -33.04 Mn
Sep 30, 2024 -34.12 Mn
Sep 30, 2024 -34.12 Mn
Jun 30, 2024 -64.03 Mn
Jun 30, 2024 -64.03 Mn
Mar 31, 2024 -33.66 Mn
Mar 31, 2024 -33.66 Mn
Dec 31, 2023 -27.72 Mn
Dec 31, 2023 -27.72 Mn
Sep 30, 2023 -68.83 Mn
Sep 30, 2023 -68.83 Mn
Jun 30, 2023 -47.89 Mn
Jun 30, 2023 -47.89 Mn
Mar 31, 2023 -26.52 Mn
Mar 31, 2023 -26.52 Mn
Dec 31, 2022 -19.13 Mn
Dec 31, 2022 -19.13 Mn
Sep 30, 2022 -19.32 Mn
Sep 30, 2022 -19.32 Mn
Jun 30, 2022 -18.51 Mn
Jun 30, 2022 -18.51 Mn
Mar 31, 2022 -20.25 Mn
Mar 31, 2022 -20.25 Mn
Dec 31, 2021 -19.07 Mn
Dec 31, 2021 -19.07 Mn
Sep 30, 2021 -14.23 Mn
Sep 30, 2021 -14.23 Mn
Jun 30, 2021 -19.28 Mn
Jun 30, 2021 -19.28 Mn
Mar 31, 2021 -18.94 Mn
Mar 31, 2021 -18.94 Mn
Dec 31, 2020 -16.81 Mn
Dec 31, 2020 -16.81 Mn
Sep 30, 2020 -15.82 Mn
Sep 30, 2020 -15.82 Mn
Jun 30, 2020 -12.02 Mn
Jun 30, 2020 -12.02 Mn
Mar 31, 2020 -15.53 Mn
Mar 31, 2020 -15.53 Mn
Dec 31, 2019 -9.38 Mn
Dec 31, 2019 -9.38 Mn
Sep 30, 2019 -12.80 Mn
Sep 30, 2019 -12.80 Mn
Jun 30, 2019 -14.30 Mn
Jun 30, 2019 -14.30 Mn
Mar 31, 2019 -11.75 Mn
Mar 31, 2019 -11.75 Mn
Dec 31, 2018 -6.73 Mn
Dec 31, 2018 -6.73 Mn
Sep 30, 2018 -6.69 Mn
Sep 30, 2018 -6.69 Mn
Jun 30, 2018 -5.78 Mn
Jun 30, 2018 -5.78 Mn
Mar 31, 2018 -6.18 Mn
Mar 31, 2018 -6.18 Mn
Dec 31, 2017 -6.67 Mn
Dec 31, 2017 -6.67 Mn
Sep 30, 2017 -5.11 Mn
Sep 30, 2017 -5.11 Mn
Jun 30, 2017 -6.39 Mn
Jun 30, 2017 -6.39 Mn
Mar 31, 2017 -3.53 Mn
Mar 31, 2017 -3.53 Mn