Quick Answer
ADTRAN Holdings, Inc. reported R&D Expense of $204.28 million for fiscal year 2025.
ADTRAN Holdings, Inc. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $204.28M | -7.8% |
| 2024 | $221.46M | -14.3% |
| 2023 | $258.31M | +48.7% |
| 2022 | $173.76M | +59.9% |
| 2021 | $108.66M | -4.1% |
| 2020 | $113.29M | -10.2% |
| 2019 | $126.20M | +1.3% |
| 2018 | $124.55M | -4.7% |
| 2017 | $130.67M | +4.6% |
| 2016 | $124.91M | -3.8% |
| 2015 | $129.88M | -1.8% |
| 2014 | $132.26M | +0.9% |
| 2013 | $131.06M | +4.1% |
| 2012 | $125.95M | +25.6% |
| 2011 | $100.30M | +11.1% |
| 2010 | $90.30M | +8.4% |
| 2009 | $83.28M | +1.8% |
| 2008 | $81.82M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $51.68M | +0.2% | -0.4% |
| June 30, 2025 | $51.90M | -14.0% | +6.2% |
| March 31, 2025 | $48.86M | -18.9% | -5.3% |
| September 30, 2024 | $51.58M | -17.8% | -14.5% |
| June 30, 2024 | $60.35M | -14.5% | +0.2% |
| March 31, 2024 | $60.22M | -14.2% | -4.0% |
| September 30, 2023 | $62.75M | +6.0% | -11.1% |
| June 30, 2023 | $70.60M | +166.4% | +0.6% |
- ADTRAN Holdings, Inc. showed a decrease of -7.8% in R&D Expense compared to the prior fiscal year.
- Over the 2008–2025 period, ADTRAN Holdings, Inc.’s r&d expense has grown by 149.7% (from $81.82 million to $204.28 million).
- The most recent figure is from ADTRAN Holdings, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
Last verified: