Diodes (DIOD) r&d spend was $162M in FY2025 (+21% 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
$162M
+21%
2024
$134M
-1%
2023
$135M
+7%
2022
$126M
+6%
2021
$119M
+26%
2020
$94M
+7%
2019
$89M
+3%
2018
$86M
+11%
2017
$78M
+11%
2016
$70M
+23%
2015
$57M
+9%
2014
$52M
+8%
2013
$48M
+43%
2012
$34M
+24%
2011
$27M
+2%
2010
$27M
+12%
2009
$24M
+9%
2008
$22M
Recent Quarterly R&D Spend
Quarter
R&D Spend
Q2 2026
$41M
Q1 2026
$41M
Q4 2025
$41M
Q3 2025
$42M
Q2 2025
$41M
Q1 2025
$39M
Q4 2024
$33M
Q3 2024
$34M
Q2 2024
$33M
Q1 2024
$34M
Q4 2023
$33M
Q3 2023
$34M
Source: DIOD on EDGAR. Data from SEC EDGAR 10-K and 10-Q filings. Updated quarterly.