Companies: 10,795·Total market cap: $144.5T
X4 Pharmaceuticals, Inc.

X4 Pharmaceuticals, Inc.

XFORNASDAQHealthcare● Active
$3.71
$-0.12(-3.13%)
Market Cap$349926072
P/E Ratio
52W High$4.83
52W Low$1.35

X4 Pharmaceuticals, Inc. (XFOR) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · XFOR · as of Mar 17, 2026

Latest filing snapshot

45
-98-68.53%vs prior year

X4 Pharmaceuticals, Inc. (XFOR) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
45
Change (1Y)
-98
Growth % (1Y)
-68.53%
Revenue / Employee
$780.3K
Net Income / Employee
$-1.76M
Market Cap
$350M

XFOR Employee Count

2017 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-03-1745-98-68.53%
2025-03-26143+50+53.76%
2024-03-2193+23+32.86%
2023-03-2170-13-15.66%
2022-03-1783+11+15.28%
2021-03-1972+14+24.14%
2020-03-1258+43+286.67%
2019-03-1115-25-62.50%
2018-03-0940

Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Biotechnology
#SymbolCompanyEmployees
#1
Karyopharm Therapeutics Inc.
KPTI
Karyopharm Therapeutics Inc.
279
#2
FibroGen, Inc.
FGEN
FibroGen, Inc.
225
#3
Mersana Therapeutics, Inc.
MRSN
Mersana Therapeutics, Inc.
102
#4
Aligos Therapeutics, Inc.
ALGS
Aligos Therapeutics, Inc.
70
#5
Kezar Life Sciences, Inc.
KZR
Kezar Life Sciences, Inc.
55
#6
X4 Pharmaceuticals, Inc.
XFOR
X4 Pharmaceuticals, Inc.YOU
45
#7
INmune Bio, Inc.
INMB
INmune Bio, Inc.
13
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · XFOR peer comparison

About XFOR employees

XFOR Employees · Headcount

X4 Pharmaceuticals, Inc. (XFOR) employee data is sourced from the annual SEC 10-K filing. As of 2025, X4 Pharmaceuticals, Inc. had 45 full-time employees globally. Full-time employees only. Global consolidated headcount.

X4 Pharmaceuticals, Inc. employs 45 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $780,289, reflecting the company's operational efficiency.

X4 Pharmaceuticals, Inc.'s workforce decreased by 98 (68.53%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

X4 Pharmaceuticals, Inc.'s revenue per employee of $780,289 positions it among the notable performers in the Biotechnology sector for operational efficiency.

Frequently Asked Questions

XFOR Employees · 5 questions

As of the latest SEC 10-K filing (2025), X4 Pharmaceuticals, Inc. had 45 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

X4 Pharmaceuticals, Inc. employee counthow many employees does X4 Pharmaceuticals, Inc. haveXFOR total employees 2025

Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-17