Silicon Motion Technology (STU:S9M) Research & Development: €252.6 Mil (TTM As of Mar. 2026)

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STU:S9M Silicon Motion Technology Corp STU:S9M
75 GF Score
Price €256.00
GF Value €103.90
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Silicon Motion Technology Research & Development?

Silicon Motion Technology STU:S9M -4.48% 75 Research & Development is €252.6 Mil as of Mar. 2026. GuruFocus rates STU:S9M with a GF Score™ of 75/100 and a GF Value™ of €103.90 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Research & Development is the aggregate amount of research and development expenses during the year. Silicon Motion Technology's Research & Development for the three months ended in Mar. 2026 was €74.6 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 was €252.6 Mil.

Silicon Motion Technology  (STU:S9M) Research & Development Explanation

If competitive advantage is created by a patent or tech advantage, at some point it will disappear.

High R&D usually dictates high SG&A which threatens the competitive advantage.

Silicon Motion Technology Research & Development Related Terms

Silicon Motion Technology Research & Development Historical Data

* Premium members only.

The historical data trend for Silicon Motion Technology's Research & Development can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Silicon Motion Technology Research & Development Chart

Silicon Motion Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Research & Development
Get a 7-Day Free Trial Premium Member Only Premium Member Only 145.40 177.97 159.89 208.02 224.36

Silicon Motion Technology Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Research & Development Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 50.90 50.41 59.18 68.39 74.60
STU:S9M
75GF Score
Silicon Motion Technology Corp STU:S9M
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
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Silicon Motion Technology Research & Development Calculation

This is the expense the company spent on research and development.

Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €252.6 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Research & Development →
What does a Research & Development of €252.6 Mil mean?
Silicon Motion Technology (STU:S9M) has a Research & Development of €252.6 Mil as of Mar. 2026. Research and development expense is the total cost for research and development activities. View historical data on Silicon Motion Technology and its competitors.
Is Silicon Motion Technology's Research & Development too high?
Silicon Motion Technology's current Research & Development is €252.6 Mil. Overall, Silicon Motion Technology has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Silicon Motion Technology's Research & Development compare to SWKS and ALGM?
Silicon Motion Technology's Research & Development of €252.6 Mil can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Research & Development for a Semiconductors company?
A good Research & Development depends on the Semiconductors industry context. However, Research & Development should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Research & Development mean?
A high Research & Development can signal that a stock is expensive relative to its fundamentals. Research and development expense is the total cost for research and development activities. View historical data on Silicon Motion Technology and its competitors. Silicon Motion Technology's current Research & Development is €252.6 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Silicon Motion Technology stock overvalued right now?
Based on GuruFocus' analysis, Silicon Motion Technology (STU:S9M) is currently considered Significantly Overvalued. The stock's GF Value™ is €103.90, compared to a current price of €256.00 — trading 146.4% above its estimated fair value. The current Research & Development is €252.6 Mil. Silicon Motion Technology's overall GF Score™ is 75/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Research & Development calculated?
Research & Development is calculated from a company's financial statements. For Silicon Motion Technology (STU:S9M), the current Research & Development is €252.6 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Silicon Motion Technology (STU:S9M) Overvalued in 2026?

Based on GuruFocus' analysis, Silicon Motion Technology stock appears to be overvalued. The current stock price of €256.00 is trading 146.4% above its estimated GF Value™ of €103.90. GuruFocus considers Silicon Motion Technology to be Significantly Overvalued.

Key valuation signals for STU:S9M:

  • Research & Development: €252.6 Mil
  • GF Value™: €103.90 vs. price of €256.00 (146.4% above fair value)
  • GF Score™: 75/100 with 6 warning signs

No single metric tells the full story. See the STU:S9M stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Silicon Motion Technology Business Description

Other Exchanges SIMO:USASIMO N:Mexico
Address Nos 19-25 Jervois Street, Flat C, 19th Floor, Wing Cheong Commercial Building, Hong Kong Island, Hong Kong, HKG
Silicon Motion Technology Corp is engaged in developing NAND flash controllers for SSDs and other solid-state storage devices. Its only operating segment is to develop NAND flash controllers and SSD solutions. The company derives revenue from product categories such as Mobile Storage, Mobile Communications, and others. Silicon's geographical segments are Taiwan, the United States, Korea, China, Singapore, Malaysia, and others. The company's products are used in Personal Computing, Smartphone/Tablet/CE, Flash Card/USB Flash Drive, Industrial and Embedded, Automotive, and Enterprise and Data centers.
75GF Score

Get the complete analysis for STU:S9M

Research & Development is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€256.00
Price
€103.90
GF Value