Bel Fuse Inc (BELFB) stock
BELFBNasdaqElectronic Coils, Transformers & Other InductorsFiscal year ends December 31Also trades as BELFA
$236.15+0.42 (+0.18%)
Close on Oct 30, 2026Market cap $4.14BP/E –Yield –
Bel Fuse r&d expenses
Research and development expenses are spending on new products and technology.
Bel Fuse's R&D Expenses for the twelve months ending Jun 30, 2026 was $33.05M, up 19.3% year over year. For fiscal 2025 it was $30.87M, up 30.9% from the year before. Over ten years it grew 1.1% a year on average. The highest annual figure on record is $30.87M in fiscal 2025.
Annual r&d expenses
| Period | Period end | Value | Change |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | $30.87M | +30.9% |
| FY2024 | Dec 31, 2024 | $23.59M | +4.9% |
| FY2023 | Dec 31, 2023 | $22.49M | +11.1% |
| FY2022 | Dec 31, 2022 | $20.24M | -7.6% |
| FY2021 | Dec 31, 2021 | $21.89M | -7.3% |
| FY2020 | Dec 31, 2020 | $23.61M | -12.3% |
| FY2019 | Dec 31, 2019 | $26.93M | -8.7% |
| FY2018 | Dec 31, 2018 | $29.49M | +2.4% |
| FY2017 | Dec 31, 2017 | $28.80M | +7.9% |
| FY2016 | Dec 31, 2016 | $26.70M | -3.6% |
| FY2015 | Dec 31, 2015 | $27.70M | +28.8% |
| FY2014 | Dec 31, 2014 | $21.50M | +52.5% |
| FY2013 | Dec 31, 2013 | $14.10M | +13.7% |
| FY2012 | Dec 31, 2012 | $12.40M | +3.3% |
| FY2011 | Dec 31, 2011 | $12.00M | +5.3% |
| FY2010 | Dec 31, 2010 | $11.40M | – |
Quarterly r&d expenses
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change |
|---|---|---|---|
| Q2 FY2026 | Jun 30, 2026 | $9.01M | +11.1% |
| Q1 FY2026 | Mar 31, 2026 | $8.51M | +17.8% |
| Q4 FY2025 | Dec 31, 2025 | $7.99M | +15.3% |
| Q3 FY2025 | Sep 30, 2025 | $7.55M | +38.7% |
| Q2 FY2025 | Jun 30, 2025 | $8.10M | +35.2% |
| Q1 FY2025 | Mar 31, 2025 | $7.22M | +38.5% |
| Q4 FY2024 | Dec 31, 2024 | $6.93M | +16.2% |
| Q3 FY2024 | Sep 30, 2024 | $5.44M | +2.9% |
| Q2 FY2024 | Jun 30, 2024 | $5.99M | -0.2% |
| Q1 FY2024 | Mar 31, 2024 | $5.22M | -0.2% |
| Q4 FY2023 | Dec 31, 2023 | $5.97M | +1.9% |
| Q3 FY2023 | Sep 30, 2023 | $5.29M | +8.5% |
| Q2 FY2023 | Jun 30, 2023 | $6.01M | +28.9% |
| Q1 FY2023 | Mar 31, 2023 | $5.22M | +4.3% |
| Q4 FY2022 | Dec 31, 2022 | $5.86M | +4.8% |
| Q3 FY2022 | Sep 30, 2022 | $4.88M | -17.6% |
| Q2 FY2022 | Jun 30, 2022 | $4.66M | -14.7% |
| Q1 FY2022 | Mar 31, 2022 | $5.01M | +0.5% |
| Q4 FY2021 | Dec 31, 2021 | $5.59M | -2.3% |
| Q3 FY2021 | Sep 30, 2021 | $5.92M | +3.6% |
| Q2 FY2021 | Jun 30, 2021 | $5.46M | -10.7% |
| Q1 FY2021 | Mar 31, 2021 | $4.99M | -17.7% |
| Q4 FY2020 | Dec 31, 2020 | $5.72M | -14.9% |
| Q3 FY2020 | Sep 30, 2020 | $5.71M | -7.3% |
| Q2 FY2020 | Jun 30, 2020 | $6.12M | -10.9% |
| Q1 FY2020 | Mar 31, 2020 | $6.06M | -15.7% |
| Q4 FY2019 | Dec 31, 2019 | $6.73M | – |
| Q3 FY2019 | Sep 30, 2019 | $6.16M | – |
| Q2 FY2019 | Jun 30, 2019 | $6.86M | – |
| Q1 FY2019 | Mar 31, 2019 | $7.18M | – |