| Income Statement | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Total revenue | 286,086 | 302,945* | 279,435 | NaN |
| Network Solutions | 154,648 | 161,120* | 153,107 | NaN |
| Network Solutions Charges And Inventory Write Down | NaN | 0* | NaN | NaN |
| Services And Support | 18,450 | 20,418* | 19,202 | NaN |
| Total cost of revenue | 173,098 | 181,537* | 172,309 | NaN |
| Gross profit | 112,988 | 121,408* | 107,126 | NaN |
| Selling, general and administrative expenses | 55,836 | 63,497* | 58,234 | NaN |
| Research and development expenses | 50,777 | 53,468* | 51,680 | NaN |
| Goodwill impairment | NaN | 0* | NaN | NaN |
| Operating income (loss) | 6,375 | 4,444* | -2,788 | NaN |
| Interest and dividend income | 300 | 1,696* | 291 | NaN |
| Interest expense | 4,241 | 3,954* | 5,499 | NaN |
| Net investment loss | -850 | 2,251* | 2,186 | NaN |
| Other income, net | 1,263 | -1,930* | -745 | NaN |
| Income (loss) before income taxes | 2,847 | 2,506* | -6,555 | NaN |
| Defined benefit plan adjustments | NaN | NaN | NaN | -268 |
| Foreign currency translation loss | NaN | NaN | NaN | 46,455 |
| Other comprehensive income (loss), net of tax | NaN | NaN | NaN | 46,723 |
| Income tax (expense) benefit | 1,917 | 3,786* | 1,202 | NaN |
| Net income (loss) | 930 | -1,280 | -7,757 | -18,258 |
| Comprehensive income (loss), net of tax | NaN | NaN | NaN | 28,465 |
| Less comprehensive income attributable to non-controlling interest | NaN | NaN | NaN | 2,273 |
| Less net income attributable to non-controlling interest | 2,251 | 49,039 | 2,505 | NaN |
| Comprehensive income (loss) attributable to adtran holdings, inc., net of tax | NaN | NaN | NaN | 26,192 |
| Net loss attributable to adtran holdings, inc | -1,321 | -50,319 | -10,262 | NaN |
| Basic EPS | -0.01 | -0.63 | -0.12 | -0.24 |
| Diluted EPS | -0.01 | -0.63 | -0.12 | -0.24 |
| Basic Average Shares | 80,321,000 | 79,883,000 | 79,803,000 | 79,748,000 |
| Diluted Average Shares | 80,321,000 | 79,883,000 | 79,803,000 | 79,748,000 |
ADTRAN Holdings, Inc. (ADTN)
ADTRAN Holdings, Inc. (ADTN)