Littelfuse (LFUS) Research & Development (2010 - 2026)

Littelfuse has disclosed Research & Development across 17 years of filings, most recently posting $29.7 million for Q1 2026.

• Research & Development for Q1 2026 came in at $29.7 million, up 14.16% year-over-year; the trailing twelve-month figure through Mar 2026 was $110.6 million (up 4.18% YoY), and the FY2025 annual result was $106.9 million, down 0.81% from the prior year.
• Research & Development came in at $29.7 million for Q1 2026 at Littelfuse, up from $27.1 million in the prior quarter.
• In the past five years, Research & Development ranged from a high of $29.7 million in Q1 2026 to a low of $19.6 million in Q2 2022.
• The 5-year median for Research & Development is $26.5 million (2024), against an average of $26.0 million.
• Across the five-year window, Research & Development soared 63.2% in 2022 and dropped 6.14% in 2023, its largest moves.
• Littelfuse's Research & Development stood at $26.8 million in 2022, then retreated by 6.14% to $25.2 million in 2023, then rose by 5.29% to $26.5 million in 2024, then grew by 2.37% to $27.1 million in 2025, then advanced by 9.66% to $29.7 million in 2026.
• The last three Research & Development figures came in at $29.7 million (Q1 2026), $27.1 million (Q4 2025), and $27.3 million (Q3 2025), per Business Quant data.