Company profile · Communications Equipment
ADTRAN Holdings, Inc. (ADTN)
Nasdaq: ADTN · Huntsville, AL · Data from SEC filings, updated Oct 6, 2026
Overview
ADTRAN Holdings, Inc. trades on Nasdaq under the ticker ADTN and is classified by RoxMag in the Communications Equipment segment (SEC industry code 3661, Telephone & Telegraph Apparatus). Its principal executive offices are in Huntsville, AL. The company was founded in 1985. In its annual report for the fiscal year ended December 31, 2025, it reported revenue of $1.08 billion and a net loss of $45.7 million. By public float it ranks #10 of the 31 communications equipment companies profiled on RoxMag.
Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.
Financial history
Annual figures as reported in ADTRAN Holdings, Inc.'s 10-K filings (US dollars).
- Revenue growth
- 17.5%
- vs prior year, FY2025
- Net margin
- -4.2%
- net income ÷ revenue, FY2025
- Operating margin
- -1.4%
- operating income ÷ revenue, FY2025
- R&D share of revenue
- 18.8%
- R&D ÷ revenue, FY2025
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $1.1B | $922.7M | $1.1B | $1.0B | $563.0M |
| Gross profit | $415.0M | $324.2M | $331.1M | $327.3M | $218.4M |
| Operating income | -$15.6M | -$427.6M | -$223.7M | -$72.8M | -$14.7M |
| Net income | -$45.7M | -$459.9M | -$268.9M | -$2.0M | -$8.6M |
| Research & development | $204.3M | $221.5M | $258.3M | $173.8M | $108.7M |
| Total assets | $1.2B | $1.2B | $1.7B | $1.9B | $569.0M |
| Stockholders' equity | $145.8M | $127.0M | $605.3M | $1.3B | $357.1M |
| Cash & equivalents | $95.7M | $76.0M | $87.2M | $108.6M | $56.6M |
Fiscal-year labels follow the calendar year in which each fiscal year ends. Margins and growth are calculated by RoxMag from the reported figures.
Recent SEC filings
Sources & method
Company identity, address, filings, financial figures, share counts and public float come from the company's own filings with the U.S. Securities and Exchange Commission (EDGAR). Website, founding year, chief executive and employee count come from Wikidata where available; the overview excerpt is from Wikipedia. Fields without a public source are left blank. RoxMag does not estimate figures. This page is general information, not investment advice — see our disclaimer and editorial policy.