Summit Therapeutics Inc.

SMMTNASDAQHealthcare● Active

$14.77

$-0.07(-0.47%)

Market Cap$11.5B

P/E Ratio—

52W High$30.98

52W Low$13.83

Avg Volume4.1M

Open$15.23

Beta-1.31

Overview

Summit Therapeutics Inc. (SMMT) 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 · SMMT · as of Feb 23, 2026

Latest filing snapshot

265

+106+66.67%vs prior year

Summit Therapeutics Inc. (SMMT) 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

265

Change (1Y)

+106

Growth % (1Y)

+66.67%

Revenue / Employee

—

Net Income / Employee

$-4.07M

Market Cap

$11.5B

SMMT Employee Count

2015 – 2025 · Annual · SEC filing

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

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-23	2025-12-31	265	+106	+66.67%
2025-02-24	2024-12-31	159	+54	+51.43%
2024-02-20	2023-12-31	105	+29	+38.16%
2023-03-09	2022-12-31	76	-29	-27.62%
2022-03-17	2021-12-31	105	+26	+32.91%
2021-03-31	2020-12-31	79	+9	+12.86%
2020-04-30	2019-12-31	70	+9	+14.75%
2019-03-29	2019-01-31	61	-15	-19.74%
2018-04-13	2018-01-31	76	+36	+90.00%
2017-03-30	2017-01-31	40	+3	+8.11%

▸ 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

#SymbolCompanyEmployeesMkt Cap

EXAS

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BridgeBio Pharma, Inc.

725$13.2B

RNA

Atrium Therapeutics, Inc.

511$202M

SMMT

Summit Therapeutics Inc.YOU

265$11.5B

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · SMMT peer comparison

About SMMT employees

SMMT Employees · Headcount

Summit Therapeutics Inc. (SMMT) employee data is sourced from the annual SEC 10-K filing. As of 2025, Summit Therapeutics Inc. had 265 full-time employees globally. Full-time employees only. Global consolidated headcount.

Summit Therapeutics Inc.'s workforce increased by 106 (66.67%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

SMMT Employees · 5 questions

As of the latest SEC 10-K filing (2025), Summit Therapeutics Inc. had 265 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Summit Therapeutics Inc. employee counthow many employees does Summit Therapeutics Inc. haveSMMT total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-23