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Diodes (DIOD) Research & Development (2016 - 2026)

Diodes filings provide 16 years of Research & Development readings, the most recent being $41.2 million for Q4 2025.

  • On a quarterly basis, Research & Development rose 23.92% to $41.2 million in Q4 2025 year-over-year; TTM through Dec 2025 was $162.2 million, a 20.98% increase, with the full-year FY2025 number at $162.2 million, up 20.98% from a year prior.
  • Research & Development hit $41.2 million in Q4 2025 for Diodes, down from $41.9 million in the prior quarter.
  • In the past five years, Research & Development ranged from a high of $41.9 million in Q3 2025 to a low of $27.7 million in Q1 2021.
  • Median Research & Development over the past 5 years was $33.2 million (2023), compared with a mean of $33.8 million.
  • Biggest five-year swings in Research & Development: skyrocketed 40.64% in 2021 and later fell 4.11% in 2024.
  • Diodes' Research & Development stood at $30.1 million in 2021, then increased by 13.27% to $34.1 million in 2022, then decreased by 3.32% to $33.0 million in 2023, then rose by 0.76% to $33.2 million in 2024, then rose by 23.92% to $41.2 million in 2025.
  • The last three reported values for Research & Development were $41.2 million (Q4 2025), $41.9 million (Q3 2025), and $40.5 million (Q2 2025) per Business Quant data.