Zenas Biopharma, Inc. number of employees

Zenas Biopharma, Inc. reported 167 employees at December 31, 2025 in its latest annual report. Revenue per employee was $59,880.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
December 31, 2025	167	—	$59,880	10-K, filed March 16, 2026

What the annual reports say

Employees and Human Capital Resources As of February 28, 2026, we had 167 full-time employees, consisting of clinical, scientific, development, medical affairs, technical operations, regulatory, finance, legal and operational personnel. 2025 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

Compare with peers

Head to head: IRD vs ZBIO RLAY vs ZBIO

More: Biotechnology stocks compared, Health Care sector, rankings of US companies

Figures from Zenas Biopharma, Inc.'s SEC filings (10-K and 10-Q), retrieved November 1, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Zenas Biopharma, Inc.