ADTRAN Holdings, Inc. Research and Development Expense
ADTRAN Holdings, Inc. (ADTN) reported Research and Development Expense of $53.78 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-04.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:ResearchAndDevelopmentExpense · last filed 2026-08-04
- ADTRAN Holdings, Inc. research and development expense for the quarter ending 2026-06-30 was $53.78M, a 3.63% increase year-over-year.
- ADTRAN Holdings, Inc. research and development expense for the quarter ending 2026-03-31 was $50.78M, a 3.93% increase year-over-year.
- ADTRAN Holdings, Inc. research and development expense for the quarter ending 2025-12-31 was $51.84M, a 5.13% increase year-over-year.
- ADTRAN Holdings, Inc. research and development expense for the quarter ending 2025-09-30 was $51.68M, a 0.20% increase year-over-year.
- ADTRAN Holdings, Inc. research and development expense for fiscal 2025 was $204.28M, a 7.76% decline from fiscal 2024.
- ADTRAN Holdings, Inc. research and development expense for fiscal 2024 was $221.46M, a 14.27% decline from fiscal 2023.
- ADTRAN Holdings, Inc. research and development expense for fiscal 2023 was $258.31M, a 48.66% increase from fiscal 2022.
- ADTRAN Holdings, Inc. research and development expense for fiscal 2022 was $173.76M, a 59.90% increase from fiscal 2021.
| Period end | Research and Development Expense 3 month | Research and Development Expense 3 month as first filed | Research and Development Expense 6 month | Research and Development Expense 6 month as first filed | Research and Development Expense 9 month | Research and Development Expense 9 month as first filed | Research and Development Expense 12 month | Research and Development Expense 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $53.78M 10-Q · filed 2026-08-04 | $104.56M 10-Q · filed 2026-08-04 | $156.40M derived: sum of 3 quarters · filed 2026-08-04 | $208.08M derived: sum of 4 quarters · filed 2026-08-04 | ||||
| 2026-03-31 | $50.78M 10-Q · filed 2026-05-05 | $102.62M derived: sum of 2 quarters · filed 2026-05-05 | $154.30M derived: sum of 3 quarters · filed 2026-05-05 | $206.19M derived: sum of 4 quarters · filed 2026-08-04 | ||||
| 2025-12-31 | $51.84M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $103.52M derived: sum of 2 quarters · filed 2026-02-26 | $155.42M derived: sum of 3 quarters · filed 2026-08-04 | $204.28M 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | $51.68M 10-Q · filed 2025-11-04 | $103.58M derived: sum of 2 quarters · filed 2026-08-04 | $152.43M 10-Q · filed 2025-11-04 | $201.75M derived: sum of 4 quarters · filed 2026-08-04 | ||||
| 2025-06-30 | $51.90M 10-Q · filed 2026-08-04 | $100.75M 10-Q · filed 2026-08-04 | $150.07M derived: sum of 3 quarters · filed 2026-08-04 | $201.65M derived: sum of 4 quarters · filed 2026-08-04 | ||||
| 2025-03-31 | $48.86M 10-Q · filed 2026-05-05 | $98.17M derived: sum of 2 quarters · filed 2026-05-05 | $149.75M derived: sum of 3 quarters · filed 2026-05-05 | $210.10M derived: sum of 4 quarters · filed 2026-05-05 | ||||
| 2024-12-31 | $49.31M 10-K/A · filed 2025-05-20 | $100.89M derived: sum of 2 quarters · filed 2025-11-04 | $161.24M derived: sum of 3 quarters · filed 2025-11-04 | $221.46M 10-K · filed 2026-02-26 | $221.46M 10-K · filed 2025-03-03 | |||
| 2024-09-30 | $51.58M 10-Q · filed 2025-11-04 | $51.62M 10-Q · filed 2024-11-12 | $111.93M derived: sum of 2 quarters · filed 2025-11-04 | $172.14M 10-Q · filed 2025-11-04 | $172.25M 10-Q · filed 2024-11-12 | $226.96M derived: sum of 4 quarters · filed 2026-02-26 | ||
| 2024-06-30 | $60.35M 10-Q · filed 2025-08-05 | $60.39M 10-Q · filed 2024-08-09 | $120.57M 10-Q · filed 2025-08-05 | $120.64M 10-Q · filed 2024-08-09 | $175.38M derived: sum of 3 quarters · filed 2026-02-26 | $238.14M derived: sum of 4 quarters · filed 2026-02-26 | ||
| 2024-03-31 | $60.22M 10-K/A · filed 2025-05-20 | $60.25M 10-Q · filed 2024-05-10 | $115.03M derived: sum of 2 quarters · filed 2026-02-26 | $177.78M derived: sum of 3 quarters · filed 2026-02-26 | $248.38M derived: sum of 4 quarters · filed 2026-02-26 | |||
| 2023-12-31 | $54.82M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $117.57M derived: sum of 2 quarters · filed 2026-02-26 | $188.17M derived: sum of 3 quarters · filed 2026-02-26 | $258.31M 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | $62.75M 10-Q · filed 2024-11-12 | $133.35M derived: sum of 2 quarters · filed 2024-11-12 | $203.49M 10-Q · filed 2024-11-12 | $265.06M derived: sum of 4 quarters · filed 2025-05-20 | ||||
| 2023-06-30 | $70.60M 10-Q · filed 2024-08-09 | $140.74M 10-Q · filed 2024-08-09 | $202.31M derived: sum of 3 quarters · filed 2025-05-20 | $261.51M derived: sum of 4 quarters · filed 2025-05-20 | ||||
| 2023-03-31 | $70.14M 10-Q · filed 2024-05-10 | $131.71M derived: sum of 2 quarters · filed 2025-05-20 | $190.91M derived: sum of 3 quarters · filed 2025-05-20 | $217.41M derived: sum of 4 quarters · filed 2025-05-20 | ||||
| 2022-12-31 | $61.57M derived: 10-K/A 12 month − 10-Q/A 9 month · filed 2025-05-20 | $120.77M derived: sum of 2 quarters · filed 2025-05-20 | $147.27M derived: sum of 3 quarters · filed 2025-05-20 | $173.76M 10-K/A · filed 2025-05-20 | ||||
| 2022-09-30 | $59.20M 10-Q/A · filed 2024-03-15 | $85.70M derived: sum of 2 quarters · filed 2024-03-15 | $112.19M 10-Q/A · filed 2024-03-15 | $138.72M derived: sum of 4 quarters · filed 2024-03-15 | ||||
| 2022-06-30 | $26.50M 10-Q/A · filed 2024-03-15 | $52.99M 10-Q/A · filed 2024-03-15 | $79.52M derived: sum of 3 quarters · filed 2024-03-15 | $106.28M derived: sum of 4 quarters · filed 2024-03-15 | ||||
| 2022-03-31 | $26.49M 10-Q/A · filed 2024-03-15 | $53.02M derived: sum of 2 quarters · filed 2024-03-15 | $79.78M derived: sum of 3 quarters · filed 2024-03-15 | $107.65M derived: sum of 4 quarters · filed 2024-03-15 | ||||
| 2021-12-31 | $26.53M derived: 10-K 12 month − 10-Q/A 9 month · filed 2024-03-15 | $53.29M derived: sum of 2 quarters · filed 2024-03-15 | $81.16M derived: sum of 3 quarters · filed 2024-03-15 | $108.66M 10-K · filed 2024-03-15 | ||||
| 2021-09-30 | $26.76M 10-Q/A · filed 2023-08-14 | $54.63M derived: sum of 2 quarters · filed 2023-08-14 | $82.13M 10-Q/A · filed 2023-08-14 | $109.62M derived: sum of 4 quarters · filed 2023-08-14 | ||||
| 2021-06-30 | $27.87M 10-Q · filed 2022-08-05 | $55.37M 10-Q · filed 2022-08-05 | $82.86M derived: sum of 3 quarters · filed 2023-08-14 | $110.09M derived: sum of 4 quarters · filed 2023-08-14 | ||||
| 2021-03-31 | $27.50M 10-Q · filed 2022-05-06 | $54.99M derived: sum of 2 quarters · filed 2023-08-14 | $82.22M derived: sum of 3 quarters · filed 2023-08-14 | $110.93M derived: sum of 4 quarters · filed 2023-08-14 | ||||
| 2020-12-31 | $27.49M derived: 10-K/A 12 month − 10-Q 9 month · filed 2023-08-14 | $54.72M derived: sum of 2 quarters · filed 2023-08-14 | $83.43M derived: sum of 3 quarters · filed 2023-08-14 | $113.29M 10-K/A · filed 2023-08-14 | ||||
| 2020-09-30 | $27.22M 10-Q · filed 2021-11-05 | $55.94M derived: sum of 2 quarters · filed 2021-11-05 | $85.79M 10-Q · filed 2021-11-05 | $116.45M derived: sum of 4 quarters · filed 2022-02-25 | ||||
| 2020-06-30 | $28.71M 10-Q · filed 2021-08-06 | $58.57M 10-Q · filed 2021-08-06 | $89.22M derived: sum of 3 quarters · filed 2022-02-25 | $121.06M derived: sum of 4 quarters · filed 2022-02-25 | ||||
| 2020-03-31 | $29.86M 10-Q · filed 2021-05-06 | $60.51M derived: sum of 2 quarters · filed 2022-02-25 | $92.35M derived: sum of 3 quarters · filed 2022-02-25 | $124.41M derived: sum of 4 quarters · filed 2022-02-25 | ||||
| 2019-12-31 | $30.65M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | $62.49M derived: sum of 2 quarters · filed 2022-02-25 | $94.55M derived: sum of 3 quarters · filed 2022-02-25 | $126.20M 10-K · filed 2022-02-25 | ||||
| 2019-09-30 | $31.84M 10-Q · filed 2020-11-06 | $63.90M derived: sum of 2 quarters · filed 2020-11-06 | $95.55M 10-Q · filed 2020-11-06 | $126.64M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2019-06-30 | $32.06M 10-Q · filed 2020-08-07 | $63.71M 10-Q · filed 2020-08-07 | $94.80M derived: sum of 3 quarters · filed 2021-02-26 | $124.68M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2019-03-31 | $31.65M 10-Q · filed 2020-05-08 | $62.74M derived: sum of 2 quarters · filed 2021-02-26 | $92.62M derived: sum of 3 quarters · filed 2021-02-26 | $123.34M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2018-12-31 | $31.09M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-26 | $60.97M derived: sum of 2 quarters · filed 2021-02-26 | $91.70M derived: sum of 3 quarters · filed 2021-02-26 | $124.55M 10-K · filed 2021-02-26 | ||||
| 2018-09-30 | $29.88M 10-Q · filed 2019-11-05 | $60.61M derived: sum of 2 quarters · filed 2019-11-05 | $93.45M 10-Q · filed 2019-11-05 | $125.00M derived: sum of 4 quarters · filed 2020-02-25 | ||||
| 2018-06-30 | $30.73M 10-Q · filed 2019-09-20 | $63.58M 10-Q · filed 2019-09-20 | $95.13M derived: sum of 3 quarters · filed 2020-02-25 | $128.72M derived: sum of 4 quarters · filed 2020-02-25 | ||||
| 2018-03-31 | $32.85M 10-Q · filed 2019-05-07 | $64.40M derived: sum of 2 quarters · filed 2020-02-25 | $97.99M derived: sum of 3 quarters · filed 2020-02-25 | $131.54M derived: sum of 4 quarters · filed 2020-02-25 | ||||
| 2017-12-31 | $31.55M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-25 | $65.14M derived: sum of 2 quarters · filed 2020-02-25 | $98.69M derived: sum of 3 quarters · filed 2020-02-25 | $130.67M 10-K · filed 2020-02-25 | $130.43M 10-K · filed 2018-02-23 | |||
| 2017-09-30 | $33.59M 10-Q · filed 2018-11-06 | $33.53M 10-Q · filed 2017-11-07 | $67.14M derived: sum of 2 quarters · filed 2018-11-06 | $99.12M 10-Q · filed 2018-11-06 | $98.94M 10-Q · filed 2017-11-07 | $131.30M derived: sum of 4 quarters · filed 2019-02-28 | ||
| 2017-06-30 | $33.56M 10-Q · filed 2018-08-03 | $33.50M 10-Q · filed 2017-08-04 | $65.53M 10-Q · filed 2018-08-03 | $65.42M 10-Q · filed 2017-08-04 | $97.71M derived: sum of 3 quarters · filed 2019-02-28 | $129.67M derived: sum of 4 quarters · filed 2019-02-28 | ||
| 2017-03-31 | $31.97M 10-Q · filed 2018-05-09 | $31.92M 10-Q · filed 2017-05-03 | $64.15M derived: sum of 2 quarters · filed 2019-02-28 | $96.11M derived: sum of 3 quarters · filed 2019-02-28 | $127.39M derived: sum of 4 quarters · filed 2019-02-28 | |||
| 2016-12-31 | $32.18M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-28 | $64.14M derived: sum of 2 quarters · filed 2019-02-28 | $95.42M derived: sum of 3 quarters · filed 2019-02-28 | $124.91M 10-K · filed 2019-02-28 | $124.80M 10-K · filed 2017-02-24 | |||
| 2016-09-30 | $31.96M 10-Q · filed 2017-11-07 | $63.24M derived: sum of 2 quarters · filed 2017-11-07 | $92.73M 10-Q · filed 2017-11-07 | $122.03M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2016-06-30 | $31.28M 10-Q · filed 2017-08-04 | $60.77M 10-Q · filed 2017-08-04 | $90.06M derived: sum of 3 quarters · filed 2018-02-23 | $122.63M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2016-03-31 | $29.49M 10-Q · filed 2017-05-03 | $58.79M derived: sum of 2 quarters · filed 2018-02-23 | $91.35M derived: sum of 3 quarters · filed 2018-02-23 | $126.83M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2015-12-31 | $29.30M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-23 | $61.86M derived: sum of 2 quarters · filed 2018-02-23 | $97.34M derived: sum of 3 quarters · filed 2018-02-23 | $129.88M 10-K · filed 2018-02-23 | ||||
| 2015-09-30 | $32.56M 10-Q · filed 2016-11-08 | $68.04M derived: sum of 2 quarters · filed 2016-11-08 | $100.58M 10-Q · filed 2016-11-08 | $133.29M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | $35.48M 10-Q · filed 2016-08-05 | $68.02M 10-Q · filed 2016-08-05 | $100.73M derived: sum of 3 quarters · filed 2017-02-24 | $134.05M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | $32.54M 10-Q · filed 2016-05-04 | $65.25M derived: sum of 2 quarters · filed 2017-02-24 | $98.57M derived: sum of 3 quarters · filed 2017-02-24 | $132.24M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | $32.71M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | $66.03M derived: sum of 2 quarters · filed 2017-02-24 | $99.70M derived: sum of 3 quarters · filed 2017-02-24 | $132.26M 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | $33.32M 10-Q · filed 2015-11-04 | $66.99M derived: sum of 2 quarters · filed 2015-11-04 | $99.55M 10-Q · filed 2015-11-04 | $132.49M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2014-06-30 | $33.67M 10-Q · filed 2015-08-05 | $66.22M 10-Q · filed 2015-08-05 | $99.16M derived: sum of 3 quarters · filed 2016-02-24 | $131.71M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2014-03-31 | $32.55M 10-Q · filed 2015-05-06 | $65.49M derived: sum of 2 quarters · filed 2016-02-24 | $98.04M derived: sum of 3 quarters · filed 2016-02-24 | $131.10M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2013-12-31 | $32.94M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-24 | $65.48M derived: sum of 2 quarters · filed 2016-02-24 | $98.54M derived: sum of 3 quarters · filed 2016-02-24 | $131.06M 10-K · filed 2016-02-24 | ||||
| 2013-09-30 | $32.54M 10-Q · filed 2014-11-05 | $65.60M derived: sum of 2 quarters · filed 2014-11-05 | $98.11M 10-Q · filed 2014-11-05 | $131.23M derived: sum of 4 quarters · filed 2015-02-24 | ||||
| 2013-06-30 | $33.06M 10-Q · filed 2014-08-06 | $65.57M 10-Q · filed 2014-08-06 | $98.69M derived: sum of 3 quarters · filed 2015-02-24 | $134.27M derived: sum of 4 quarters · filed 2015-02-24 | ||||
| 2013-03-31 | $32.51M 10-Q · filed 2014-05-07 | $65.63M derived: sum of 2 quarters · filed 2015-02-24 | $101.21M derived: sum of 3 quarters · filed 2015-02-24 | $133.67M derived: sum of 4 quarters · filed 2015-02-24 | ||||
| 2012-12-31 | $33.12M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-24 | $68.70M derived: sum of 2 quarters · filed 2015-02-24 | $101.16M derived: sum of 3 quarters · filed 2015-02-24 | $125.95M 10-K · filed 2015-02-24 | ||||
| 2012-09-30 | $35.58M 10-Q · filed 2013-11-01 | $68.04M derived: sum of 2 quarters · filed 2013-11-01 | $92.83M 10-Q · filed 2013-11-01 | $117.99M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2012-06-30 | $32.46M 10-Q · filed 2013-07-31 | $57.25M 10-Q · filed 2013-07-31 | $82.40M derived: sum of 3 quarters · filed 2014-02-27 | $109.30M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2012-03-31 | $24.80M 10-Q · filed 2013-05-08 | $49.95M derived: sum of 2 quarters · filed 2014-02-27 | $76.84M derived: sum of 3 quarters · filed 2014-02-27 | $101.46M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2011-12-31 | $25.15M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-27 | $52.05M derived: sum of 2 quarters · filed 2014-02-27 | $76.66M derived: sum of 3 quarters · filed 2014-02-27 | $100.30M 10-K · filed 2014-02-27 | ||||
| 2011-09-30 | $26.89M 10-Q · filed 2012-11-05 | $51.51M derived: sum of 2 quarters · filed 2012-11-05 | $75.15M 10-Q · filed 2012-11-05 | $97.61M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2011-06-30 | $24.62M 10-Q · filed 2012-08-03 | $48.26M 10-Q · filed 2012-08-03 | $70.72M derived: sum of 3 quarters · filed 2013-02-28 | $93.52M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2011-03-31 | $23.64M 10-Q · filed 2012-05-09 | $46.10M derived: sum of 2 quarters · filed 2013-02-28 | $68.90M derived: sum of 3 quarters · filed 2013-02-28 | $91.16M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2010-12-31 | $22.46M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-28 | $45.26M derived: sum of 2 quarters · filed 2013-02-28 | $67.52M derived: sum of 3 quarters · filed 2013-02-28 | $90.30M 10-K · filed 2013-02-28 | ||||
| 2010-09-30 | $22.80M 10-Q · filed 2011-11-03 | $45.06M derived: sum of 2 quarters · filed 2011-11-03 | $67.84M 10-Q · filed 2011-11-03 | $89.09M derived: sum of 4 quarters · filed 2012-02-29 | ||||
| 2010-06-30 | $22.26M 10-Q · filed 2011-08-02 | $45.04M 10-Q · filed 2011-08-02 | $66.29M derived: sum of 3 quarters · filed 2012-02-29 | $86.79M derived: sum of 4 quarters · filed 2012-02-29 | ||||
| 2010-03-31 | $22.78M 10-Q · filed 2011-05-05 | $44.03M derived: sum of 2 quarters · filed 2012-02-29 | $64.53M derived: sum of 3 quarters · filed 2012-02-29 | $85.20M derived: sum of 4 quarters · filed 2012-02-29 | ||||
| 2009-12-31 | $21.26M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | $41.75M derived: sum of 2 quarters · filed 2012-02-29 | $62.42M derived: sum of 3 quarters · filed 2012-02-29 | $83.28M 10-K · filed 2012-02-29 | ||||
| 2009-09-30 | $20.50M 10-Q · filed 2010-11-02 | $41.17M derived: sum of 2 quarters · filed 2010-11-02 | $62.03M 10-Q · filed 2010-11-02 | |||||
| 2009-06-30 | $20.67M 10-Q · filed 2010-07-29 | $41.53M 10-Q · filed 2010-07-29 | ||||||
| 2008-12-31 | $81.82M 10-K · filed 2011-02-25 |
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