Littelfuse annual r&d spending
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2025
Littelfuse R&D Spending Growth & History (LFUS)
Littelfuse's r&d spending was $106.9M for fiscal 2025.
View full Littelfuse company overviewLittelfuse annual r&d spending history
| Fiscal year | Period ended | R&D spending | Change | Growth |
|---|---|---|---|---|
| 2025 | 2025-12-27 | $106.9M | −$874,000 | −0.81% |
| 2024 | 2024-12-28 | $107.8M | $5.3M | +5.22% |
| 2023 | 2023-12-30 | $102.4M | $6.8M | +7.14% |
| 2022 | 2022-12-31 | $95.6M | $29.7M | +44.98% |
| 2021 | 2022-01-01 | $65.9M | $13.4M | +25.51% |
| 2020 | 2020-12-26 | $52.5M | −$27.5M | −34.33% |
| 2019 | 2019-12-28 | $80.0M | −$7.3M | −8.33% |
| 2018 | 2018-12-29 | $87.3M | $36.8M | +72.84% |
| 2017 | 2017-12-30 | $50.5M | $8.3M | +19.65% |
| 2016 | 2016-12-31 | $42.2M | $11.4M | +37.00% |
| 2015 | 2016-01-02 | $30.8M | −$320,000 | −1.03% |
| 2014 | 2014-12-27 | $31.1M | $6.7M | +27.47% |
| 2013 | 2013-12-31 | $24.4M | $3.2M | +15.00% |
| 2012 | 2012-12-31 | $21.2M | $1.8M | +9.22% |
| 2011 | 2011-12-31 | $19.4M | $1.8M | +10.44% |
| 2010 | 2011-01-01 | $17.6M | −$532,000 | −2.93% |
| 2009 | 2010-01-02 | $18.1M | — | — |
Littelfuse quarterly r&d spending
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| Fiscal quarter | Period ended | R&D spending | Change | YoY change |
|---|---|---|---|---|
| Q2 2026 | 2026-06-30 | $31.0M | $4.6M | +17.56% |
| Q1 2026 | 2026-03-28 | $29.7M | $3.7M | +14.16% |
| Q4 2025 | 2025-12-27 | $27.1M | $628,000 | +2.37% |
| Q3 2025 | 2025-09-27 | $27.3M | $862,000 | +3.26% |
| Q2 2025 | 2025-06-28 | $26.4M | −$745,000 | −2.74% |
| Q1 2025 | 2025-03-29 | $26.0M | −$1.6M | −5.85% |
| Q4 2024 | 2024-12-28 | $26.5M | $1.3M | +5.29% |
| Q3 2024 | 2024-09-28 | $26.5M | $986,000 | +3.87% |
| Q2 2024 | 2024-06-29 | $27.1M | $2.6M | +10.82% |
| Q1 2024 | 2024-03-30 | $27.7M | $377,000 | +1.38% |
| Q4 2023 | 2023-12-30 | $25.2M | −$1.6M | −6.14% |
| Q3 2023 | 2023-09-30 | $25.5M | −$268,000 | −1.04% |
| Q2 2023 | 2023-07-01 | $24.5M | $1.0M | +4.29% |
| Q1 2023 | 2023-04-01 | $27.3M | $7.7M | +39.55% |
| Q4 2022 | 2022-12-31 | $26.8M | $7.8M | +40.88% |
| Q3 2022 | 2022-10-01 | $25.8M | $10.0M | +63.20% |
| Q2 2022 | 2022-07-02 | $23.5M | $7.1M | +43.27% |
| Q1 2022 | 2022-04-02 | $19.6M | $4.8M | +32.68% |
| Q4 2021 | 2022-01-01 | $19.0M | $7.1M | +59.22% |
| Q3 2021 | 2021-09-25 | $15.8M | $2.8M | +21.72% |
| Q2 2021 | 2021-06-26 | $16.4M | $3.2M | +24.57% |
| Q1 2021 | 2021-03-27 | $14.7M | $276,000 | +1.91% |
| Q4 2020 | 2020-12-26 | $12.0M | −$5.5M | −31.32% |
| Q3 2020 | 2020-09-26 | $13.0M | −$6.8M | −34.29% |
| Q2 2020 | 2020-06-27 | $13.2M | −$8.3M | −38.67% |
| Q1 2020 | 2020-03-28 | $14.5M | −$6.9M | −32.44% |
| Q4 2019 | 2019-12-28 | $17.4M | −$4.1M | −19.14% |
| Q3 2019 | 2019-09-28 | $19.7M | −$726,000 | −3.55% |
| Q2 2019 | 2019-06-29 | $21.5M | −$1.3M | −5.67% |
| Q1 2019 | 2019-03-30 | $21.4M | −$1.1M | −5.02% |
| Q4 2018 | 2018-12-29 | $21.5M | $7.9M | +58.04% |
| Q3 2018 | 2018-09-29 | $20.5M | $8.5M | +70.58% |
| Q2 2018 | 2018-06-30 | $22.7M | $10.0M | +78.71% |
| Q1 2018 | 2018-03-31 | $22.5M | $10.4M | +85.50% |
| Q4 2017 | 2017-12-30 | $13.6M | $2.3M | +20.36% |
| Q3 2017 | 2017-09-30 | $12.0M | $1.6M | +15.26% |
| Q2 2017 | 2017-07-01 | $12.7M | $813,000 | +6.82% |
| Q1 2017 | 2017-04-01 | $12.2M | $3.6M | +41.87% |
| Q4 2016 | 2016-12-31 | $11.3M | $2.7M | +31.90% |
| Q3 2016 | 2016-10-01 | $10.4M | $2.9M | +39.10% |
| Q2 2016 | 2016-07-02 | $11.9M | $4.6M | +61.88% |
| Q1 2016 | 2016-04-02 | $8.6M | $1.2M | +15.99% |
| Q4 2015 | 2016-01-02 | $8.6M | $289,000 | +3.49% |
| Q3 2015 | 2015-09-26 | $7.5M | $30,000 | +0.40% |
| Q2 2015 | 2015-06-27 | $7.4M | −$449,000 | −5.75% |
| Q1 2015 | 2015-03-28 | $7.4M | −$190,000 | −2.51% |
| Q4 2014 | 2014-12-27 | $8.3M | — | — |
| Q3 2014 | 2014-09-27 | $7.4M | $1.2M | +19.82% |
| Q2 2014 | 2014-06-28 | $7.8M | $2.0M | +34.82% |
| Q1 2014 | 2014-03-29 | $7.6M | $1.9M | +32.53% |
| Q3 2013 | 2013-09-28 | $6.2M | $712,000 | +12.93% |
| Q2 2013 | 2013-06-29 | $5.8M | $906,000 | +18.54% |
| Q1 2013 | 2013-03-30 | $5.7M | $554,000 | +10.73% |
| Q3 2012 | 2012-09-29 | $5.5M | $208,000 | +3.93% |
| Q2 2012 | 2012-06-30 | $4.9M | $225,000 | +4.83% |
| Q1 2012 | 2012-03-31 | $5.2M | $366,000 | +7.63% |
| Q4 2011 | 2011-12-31 | $4.7M | — | — |
| Q3 2011 | 2011-10-01 | $5.3M | $952,000 | +21.91% |
| Q2 2011 | 2011-07-02 | $4.7M | $259,000 | +5.88% |
| Q1 2011 | 2011-04-02 | $4.8M | — | — |
| Q3 2010 | 2010-10-02 | $4.3M | — | — |
| Q2 2010 | 2010-07-03 | $4.4M | — | — |
Littelfuse r&d spending trends
Over the last five fiscal years, Littelfuse's r&d spending increased from $52.5M to $106.9M, a change of $54.4M. The latest reported quarter, Q2 2026, shows $31.0M.
About the metric
What research and development spending means
Research and development (R&D) spending covers the costs of creating and improving products, services, software, technologies, and processes. Higher R&D spending may support future innovation, but the amount alone does not show whether those investments will generate returns.
Calculation and source
SEC-reported R&D expense
TickerStat standardizes research and development expense reported in company SEC filings, including the software-specific US-GAAP R&D concept when it is the filer’s primary R&D expense line. It is historical company-reported spending, not an estimate or forecast. Fiscal periods can differ from calendar years, so exact period-end dates are included.
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