ADTRAN Holdings, Inc.

ADTNNASDAQTechnology● Active

$16.44

+$1.09(+7.08%)

Market Cap$1.3B

P/E Ratio—

52W High$19.98

52W Low$7.11

Avg Volume2.5M

Open$15.47

Beta1.43

Employees Ownership Insider Trades

ADTRAN Holdings, Inc. (ADTN) 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 · ADTN · as of Feb 26, 2026

Latest filing snapshot

3,338

+104+3.22%vs prior year

ADTRAN Holdings, Inc. (ADTN) 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

3,338

Change (1Y)

+104

Growth % (1Y)

+3.22%

Revenue / Employee

$324.7K

Net Income / Employee

$-13.7K

Market Cap

$1.3B

ADTN Employee Count

1996 – 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)
2026-02-26	2025-12-31	3,338	+104	+3.22%
2025-03-03	2024-12-31	3,234	+7	+0.22%
2024-03-15	2023-12-31	3,227	-80	-2.42%
2023-03-01	2022-12-31	3,307	+1,972	+147.72%
2022-02-25	2021-12-31	1,335	-70	-4.98%
2021-02-26	2020-12-31	1,405	-385	-21.51%
2020-02-25	2019-12-31	1,790	-110	-5.79%
2019-02-28	2018-12-31	1,900	-160	-7.77%
2018-02-23	2017-12-31	2,060	+27	+1.33%
2017-02-24	2016-12-31	2,033	+42	+2.11%

▸ 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

Communication Equipment

#SymbolCompanyEmployeesMkt Cap

ADTN

ADTRAN Holdings, Inc.YOU

3,338$1.3B #2

ITRN

Ituran Location and Control Ltd.

Alpha and Omega Semiconductor Limited

Gilat Satellite Networks Ltd.

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

About ADTN employees

ADTN Employees · Headcount

ADTRAN Holdings, Inc. (ADTN) employee data is sourced from the annual SEC 10-K filing. As of 2025, ADTRAN Holdings, Inc. had 3,338 full-time employees globally. Full-time employees only. Global consolidated headcount.

ADTRAN Holdings, Inc. employs 3,338 full-time employees as of the latest filing within the Communication Equipment industry. Revenue per employee stands at $324,688, reflecting the company's operational efficiency.

ADTRAN Holdings, Inc.'s workforce increased by 104 (3.22%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

ADTRAN Holdings, Inc.'s revenue per employee of $324,688 positions it among the notable performers in the Communication Equipment sector for operational efficiency.

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

Frequently Asked Questions

ADTN Employees · 5 questions

As of the latest SEC 10-K filing (2025), ADTRAN Holdings, Inc. had 3,338 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

ADTRAN Holdings, Inc. employee counthow many employees does ADTRAN Holdings, Inc. haveADTN total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-26