# ADTRAN Holdings, Inc.: overview

ADTN · Nasdaq · CIK 926282 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/adtn.md) · [Financials](/companies/adtn/financials.md) · [Filings](/companies/adtn/filings.md) · [Insiders](/companies/adtn/insiders.md)

Latest reported revenue: [$281.1m](/filings/0001193125-26-331632.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 4, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001193125-26-331632).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [228](/filings/0001193125-25-264157.md) | [243](/filings/0000950170-25-075366.md) | [248](/filings/0001193125-26-205276.md) | [265](/filings/0001193125-26-331632.md) | [279](/filings/0001193125-25-264157.md) | [292 d](/filings/0001193125-26-073878.md) | [286](/filings/0001193125-26-205276.md) | [281](/filings/0001193125-26-331632.md) |
| Gross margin | % | [36.5%](/filings/0001193125-25-264157.md) | [36.9%](/filings/0000950170-25-075366.md) | [38.4%](/filings/0001193125-26-205276.md) | [37.3%](/filings/0001193125-26-331632.md) | [38.3%](/filings/0001193125-25-264157.md) | [39.0% d](/filings/0001193125-26-073878.md) | [39.5%](/filings/0001193125-26-205276.md) | [37.0%](/filings/0001193125-26-331632.md) |
| Operating margin | % | [(11.5%)](/filings/0001193125-25-264157.md) | [(6.9%)](/filings/0000950170-25-075366.md) | [(1.6%)](/filings/0001193125-26-205276.md) | [(5.0%)](/filings/0001193125-26-331632.md) | [(1.0%)](/filings/0001193125-25-264157.md) | [1.5% d](/filings/0001193125-26-073878.md) | [2.2%](/filings/0001193125-26-205276.md) | [(3.6%)](/filings/0001193125-26-331632.md) |
| Net margin | % | [(14.6%)](/filings/0001193125-25-264157.md) | [(19.0%)](/filings/0000950170-25-075366.md) | [(4.5%)](/filings/0001193125-26-205276.md) | [(7.7%)](/filings/0001193125-26-331632.md) | [(3.7%)](/filings/0001193125-25-264157.md) | [(1.2%) d](/filings/0001193125-26-073878.md) | [(0.5%)](/filings/0001193125-26-205276.md) | [(3.9%)](/filings/0001193125-26-331632.md) |
| Diluted EPS | $ per share | [(0.38)](/filings/0001193125-25-264157.md) | [(0.58)](/filings/0000950170-25-075366.md) | [(0.14)](/filings/0001193125-26-205276.md) | [(0.24)](/filings/0001193125-26-331632.md) | [(0.12)](/filings/0001193125-25-264157.md) | not reported | [(0.01)](/filings/0001193125-26-205276.md) | [(0.13)](/filings/0001193125-26-331632.md) |
| Free cash flow | $m | [37.1 d](/filings/0001193125-25-264157.md) | [(0.9) d](/filings/0001193125-26-073878.md) | [35.8](/filings/0001193125-26-205276.md) | [27.5 d](/filings/0001193125-26-331632.md) | [4.2 d](/filings/0001193125-25-264157.md) | [30.6 d](/filings/0001193125-26-073878.md) | [5.2](/filings/0001193125-26-205276.md) | [17.0 d](/filings/0001193125-26-331632.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [563](/filings/0000950170-24-032089.md) | [1,026](/filings/0000950170-25-075366.md) | [1,149](/filings/0001193125-26-073878.md) | [923](/filings/0001193125-26-073878.md) | [1,084](/filings/0001193125-26-073878.md) |
| Gross margin | % | [38.8%](/filings/0000950170-24-032089.md) | [31.9%](/filings/0000950170-25-075366.md) | [28.8%](/filings/0001193125-26-073878.md) | [35.1%](/filings/0001193125-26-073878.md) | [38.3%](/filings/0001193125-26-073878.md) |
| Operating margin | % | [(2.6%)](/filings/0000950170-24-032089.md) | [(7.1%)](/filings/0000950170-25-075366.md) | [(19.5%)](/filings/0001193125-26-073878.md) | [(46.3%)](/filings/0001193125-26-073878.md) | [(1.4%)](/filings/0001193125-26-073878.md) |
| Net margin | % | [(1.5%)](/filings/0000950170-24-032089.md) | [(0.2%)](/filings/0000950170-25-075366.md) | [(23.4%)](/filings/0001193125-26-073878.md) | [(49.8%)](/filings/0001193125-26-073878.md) | [(4.2%)](/filings/0001193125-26-073878.md) |
| Diluted EPS | $ per share | [(0.18)](/filings/0000950170-24-032089.md) | [(0.03)](/filings/0000950170-25-075366.md) | [(3.43)](/filings/0001193125-26-073878.md) | [(5.79)](/filings/0001193125-26-073878.md) | [(0.52)](/filings/0001193125-26-073878.md) |
| Free cash flow | $m | [(2.7)](/filings/0000950170-24-032089.md) | [(61.3)](/filings/0000950170-25-075366.md) | [(79.4)](/filings/0001193125-26-073878.md) | [69.1](/filings/0001193125-26-073878.md) | [98.0](/filings/0001193125-26-073878.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/adtn/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $108.9m | 7,836,196 |  | Reduced −4,058 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $71.4m | 5,135,649 |  | Added +364,197 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $48.8m | 3,510,271 |  | Added +84,041 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $42.9m | 3,082,794 |  | Added +732,057 |
| [ROYCE & ASSOCIATES LP](/funds/906304.md) | 2026-06-30 | $41.3m | 2,972,917 |  | Reduced −154,486 |
| [UBS Group AG](/funds/1610520.md) | 2026-06-30 | $40.9m | 2,940,724 |  | Added +2,691,567 |
| [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $40.3m | 2,896,353 |  | Added +1,772,829 |
| [MILLENNIUM MANAGEMENT LLC](/funds/1273087.md) | 2026-06-30 | $37.8m | 2,722,820 |  | Added +826,409 |
| [DNB Asset Management AS](/funds/1456670.md) | 2026-06-30 | $36.4m | 2,619,389 |  | Reduced −504,290 |
| [JPMORGAN CHASE & CO](/funds/19617.md) | 2026-06-30 | $36.1m | 2,623,057 |  | Added +1,104,360 |

## Recent filings

[All 1,654 filings](/companies/adtn/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 17:25 ET | [8-K](/filings/0001193125-26-438101.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-438101 |
| 2026-08-10 | 16:06 ET | [8-K](/filings/0001193125-26-342359.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-342359 |
| 2026-08-04 | 08:43 ET | [10-Q](/filings/0001193125-26-331632.md) | Quarterly report, period 2026-06-30 | 0001193125-26-331632 |
| 2026-08-04 | 06:36 ET | [8-K](/filings/0001193125-26-331458.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-331458 |
| 2026-07-23 | 16:30 ET | [8-K](/filings/0001193125-26-314198.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-314198 |
| 2026-07-22 | 07:02 ET | [8-K](/filings/0001193125-26-311290.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-311290 |
| 2026-06-26 | 07:02 ET | [8-K](/filings/0001193125-26-283882.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-283882 |
| 2026-05-18 | 10:10 ET | [8-K](/filings/0001193125-26-228208.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-228208 |
| 2026-05-05 | 09:08 ET | [10-Q](/filings/0001193125-26-205276.md) | Quarterly report, period 2026-03-31 | 0001193125-26-205276 |
| 2026-05-05 | 07:00 ET | [8-K](/filings/0001193125-26-204995.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-204995 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-073878.md), filed Feb 26, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/57dee3de-bef0-48d6-9ac2-84dc44aef7ec)

## About the filer

- CIK: 926282
- Tickers: ADTN
- Exchange: Nasdaq
- SIC code: 3661 Telephone & Telegraph Apparatus
- State of incorporation: not reported
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 11:03 ET. No prices; not investment advice.