X4 Pharmaceuticals (XFOR) Shares Outstanding (Diluted Average) (2020 - 2025)

X4 Pharmaceuticals (XFOR) reported Shares Outstanding (Diluted Average) of $42.3 million for Q4 2025, up 531.04% on a YoY basis from $6.7 million in Q4 2024, and down 2.26% quarter-over-quarter from $43.3 million in Q3 2025.

X4 Pharmaceuticals (XFOR) Shares Outstanding (Diluted Average) (2020 - 2025) Analysis & Trends

X4 Pharmaceuticals has reported Shares Outstanding (Diluted Average) for 6 years, with the latest figure at $42.3 million in Q4 2025.

  • For the quarter ending Q4 2025, Shares Outstanding (Diluted Average) rose 531.04% year-over-year to $42.3 million; the trailing twelve-month figure through Dec 2025 stood at $42.3 million (up 531.04% YoY), and the FY2025 full-year result was $42.3 million, up 531.04% from the prior year.
  • Shares Outstanding (Diluted Average) for Q4 2025 stood at $42.3 million, down from $43.3 million in the prior quarter.
  • The five-year high for Shares Outstanding (Diluted Average) was $197.0 million in Q3 2023, with the low at $5.9 million in Q4 2023.
  • Historically, Shares Outstanding (Diluted Average) has averaged $50.7 million across 5 years, with a median of $30.2 million in 2021.
  • Annual changes were most pronounced in 2024 — Shares Outstanding (Diluted Average) tumbled 96.61% — and 2025, when it jumped 547.11%.
  • X4 Pharmaceuticals' Shares Outstanding (Diluted Average) stood at $25.7 million in 2021, then surged by 146.71% to $63.5 million in 2022, then tumbled by 90.67% to $5.9 million in 2023, then grew by 13.08% to $6.7 million in 2024, then surged by 531.04% to $42.3 million in 2025.
  • The last three Shares Outstanding (Diluted Average) figures came in at $42.3 million (Q4 2025), $43.3 million (Q3 2025), and $7.1 million (Q2 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares (Diluted Avg.) (Qtr)
1 Alterity Therapeutics 788,338.31 Bn 788,338.28 Bn - -
2 Belite Bio 56,560.00 Bn 56,560.00 Bn - -
3 Quantum Biopharma 17,329.30 Bn 17,329.30 Bn - 4,489.46 Bn
4 Legend Biotech 3,341.00 Bn 3,340.71 Bn 242.10 Mn 810.00
5 Akari Therapeutics 1,727.91 Bn 1,727.91 Bn - 118.76 Bn
6 Evaxion A 1,536.68 Bn 1,536.67 Bn - -
7 Psyence Biomedical 238.34 Bn 238.33 Bn - 1.48 Bn
8 Vertex Pharmaceuticals 113.42 Bn 106.17 Bn 2.59 Bn 256.30 Mn
9 Abivax 95.45 Bn 95.45 Bn - 92.44 Mn
10 X4 Pharmaceuticals 166.63 Mn 166.63 Mn 2.20 Mn 42.29 Mn

Historic Data

Download Data
DateValue
Dec 31, 2025 42.29 Mn
Sep 30, 2025 43.27 Mn
Jun 30, 2025 7.10 Mn
Mar 31, 2025 6.87 Mn
Dec 31, 2024 6.70 Mn
Sep 30, 2024 6.69 Mn
Jun 30, 2024 6.69 Mn
Mar 31, 2024 6.67 Mn
Dec 31, 2023 5.93 Mn
Sep 30, 2023 196.99 Mn
Jun 30, 2023 168.74 Mn
Mar 31, 2023 145.97 Mn
Dec 31, 2022 63.53 Mn
Sep 30, 2022 83.21 Mn
Jun 30, 2022 35.44 Mn
Mar 31, 2022 33.74 Mn
Dec 31, 2021 25.75 Mn
Sep 30, 2021 26.61 Mn
Dec 31, 2020 20.08 Mn