Quick Answer
LITTELFUSE INC /DE reported Research And Development Expense of $106.90 million for the year ending 2025.
- LITTELFUSE INC /DE showed a decrease of -0.8% in Research And Development Expense from 2024 to 2025.
- This data is from LITTELFUSE INC /DE's annual report (Form 10-K), filed with the SEC on February 19, 2026.
- XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 17 years of available data (2009 to 2025), LITTELFUSE INC /DE's Research And Development Expense has grown by 489.5%.
- Historical annual values: Fiscal year 2025: $106.90 million | Fiscal year 2024: $107.77 million | Fiscal year 2023: $102.43 million | Fiscal year 2022: $95.60 million | Fiscal year 2021: $65.94 million | Fiscal year 2020: $52.54 million | Fiscal year 2019: $80.00 million | Fiscal year 2018: $87.26 million | Fiscal year 2017: $50.49 million | Fiscal year 2016: $42.20 million | Fiscal year 2015: $30.80 million | Fiscal year 2014: $31.12 million | Fiscal year 2013: $24.42 million | Fiscal year 2012: $21.23 million | Fiscal year 2011: $19.44 million | Fiscal year 2010: $17.60 million | Fiscal year 2009: $18.13 million.
- Data sourced from SEC EDGAR public filings as of June 20, 2026.
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