Littelfuse (LFUS) r&d spend was $107M in FY2025 (-1% YoY). The tables below show the complete quarterly and annual r&d spend history, sourced from SEC EDGAR 10-K and 10-Q filings.
Annual R&D Spend
Fiscal Year
R&D Spend
YoY
2025
$107M
-1%
2024
$108M
+5%
2023
$102M
+7%
2022
$96M
+82%
2020
$53M
-34%
2019
$80M
-8%
2018
$87M
+73%
2017
$50M
+20%
2016
$42M
+36%
2014
$31M
+27%
2013
$24M
+15%
2012
$21M
+9%
2011
$19M
+7%
2010
$18M
Recent Quarterly R&D Spend
Quarter
R&D Spend
Q1 2026
$30M
Q4 2025
$27M
Q3 2025
$27M
Q2 2025
$26M
Q1 2025
$26M
Q4 2024
$26M
Q3 2024
$26M
Q2 2024
$27M
Q1 2024
$28M
Q4 2023
$25M
Q3 2023
$25M
Q2 2023
$24M
Source: LFUS on EDGAR. Data from SEC EDGAR 10-K and 10-Q filings. Updated quarterly.