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.
- Quarterly values from 10-Q filings: Q2 2010: $4.40 million | Q3 2010: $4.35 million | Q1 2011: $4.80 million | Q2 2011: $4.66 million | Q3 2011: $5.30 million | Q1 2012: $5.16 million | Q2 2012: $4.89 million | Q3 2012: $5.51 million | Q1 2013: $5.72 million | Q2 2013: $5.79 million | Q3 2013: $6.22 million | Q1 2014: $7.57 million | Q2 2014: $7.81 million | Q3 2014: $7.45 million | Q1 2015: $7.38 million | Q2 2015: $7.36 million | Q3 2015: $7.48 million | Q1 2016: $8.57 million | Q2 2016: $11.92 million | Q3 2016: $10.40 million | Q1 2017: $12.15 million | Q2 2017: $12.73 million | Q3 2017: $11.99 million | Q1 2018: $22.54 million | Q2 2018: $22.75 million | Q3 2018: $20.45 million | Q1 2019: $21.41 million | Q2 2019: $21.46 million | Q3 2019: $19.73 million | Q1 2020: $14.46 million | Q2 2020: $13.16 million | Q3 2020: $12.96 million | Q1 2021: $14.74 million | Q2 2021: $16.39 million | Q3 2021: $15.78 million | Q1 2022: $19.56 million | Q2 2022: $23.49 million | Q3 2022: $25.75 million | Q1 2023: $27.29 million | Q2 2023: $24.50 million | Q3 2023: $25.48 million | Q1 2024: $27.67 million | Q2 2024: $27.15 million | Q3 2024: $26.47 million | Q1 2025: $26.05 million | Q2 2025: $26.40 million | Q3 2025: $27.33 million.
- 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 August 4, 2026.
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