ADC Therapeutics S.A.
ADC Therapeutics S.A. (ADCT) 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 · ADCT · as of Mar 10, 2026
Latest filing snapshot
ADC Therapeutics S.A. (ADCT) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
ADCT Employee Count
2020 – 2025 · Annual · SEC filingSource: SEC annual filings · Hover bar to view year data · Click to view original filing
Employees History
| Filing Date | Employees | Change (1Y) | Growth (1Y) | SEC filing link |
|---|---|---|---|---|
| 2026-03-10 | 188 | -75 | -28.52% | |
| 2025-03-27 | 263 | -10 | -3.66% | |
| 2024-03-13 | 273 | -44 | -13.88% | |
| 2023-03-15 | 317 | +5 | +1.60% | |
| 2022-03-17 | 312 | +104 | +50.00% | |
| 2021-03-18 | 208 | — | — |
▸ 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.
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About ADCT employees
ADCT Employees · Headcount
ADC Therapeutics S.A. (ADCT) employee data is sourced from the annual SEC 10-K filing. As of 2025, ADC Therapeutics S.A. had 188 full-time employees globally. Full-time employees only. Global consolidated headcount.
ADC Therapeutics S.A. employs 188 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $432,750, reflecting the company's operational efficiency.
ADC Therapeutics S.A.'s workforce decreased by 75 (28.52%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
ADC Therapeutics S.A.'s revenue per employee of $432,750 positions it among the notable performers in the Biotechnology sector for operational efficiency.
Frequently Asked Questions
ADCT Employees · 5 questionsAs of the latest SEC 10-K filing (2025), ADC Therapeutics S.A. had 188 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.
▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-10