X4 Pharmaceuticals XFOR
Employee Count
Total number of employees at X4 Pharmaceuticals (XFOR) and historical employee count data
143Current Employees▲ +50 (+53.76%) YoY
X4 Pharmaceuticals total employee count in 2025 was 143, a +50 (+53.76%) increase in headcount from 2024.
X4 Pharmaceuticals total employee count in 2024 was 93, a +23 (+32.86%) increase in headcount from 2023.
X4 Pharmaceuticals total employee count in 2023 was 70, a -13 (-15.66%) decline in headcount from 2022.
X4 Pharmaceuticals total employee count in 2022 was 83, a +11 (+15.28%) increase in headcount from 2021.