JMicron Technology (ROCO:4925) Research & Development: NT$397.0 Mil (TTM As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:4925 JMicron Technology Corp ROCO:4925
39 GF Score
Price NT$118.00
GF Value NT$40.40
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is JMicron Technology Research & Development?

JMicron Technology ROCO:4925 -9.23% 39 Research & Development is NT$397.0 Mil as of Dec. 2025. GuruFocus rates ROCO:4925 with a GF Score™ of 39/100 and a GF Value™ of NT$40.40 (Significantly Overvalued). The stock has 5 warning signs investors should review.

Research & Development is the aggregate amount of research and development expenses during the year. JMicron Technology's Research & Development for the six months ended in Dec. 2025 was NT$203.1 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Dec. 2025 was NT$397.0 Mil.

JMicron Technology  (ROCO:4925) 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.

JMicron Technology Research & Development Related Terms

JMicron Technology Research & Development Historical Data

* Premium members only.

The historical data trend for JMicron 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.

JMicron Technology Research & Development Chart

JMicron 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 410.04 333.94 338.91 371.19 396.98

JMicron Technology Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 167.25 183.72 187.47 193.90 203.08
ROCO:4925
39GF Score
JMicron Technology Corp ROCO:4925
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

JMicron 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 Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was NT$397.0 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 NT$397.0 Mil mean?
JMicron Technology (ROCO:4925) has a Research & Development of NT$397.0 Mil as of Dec. 2025. Research and development expense is the total cost for research and development activities. View historical data on JMicron Technology and its competitors.
Is JMicron Technology's Research & Development too high?
JMicron Technology's current Research & Development is NT$397.0 Mil. Overall, JMicron Technology has a GF Score™ of 39/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does JMicron Technology's Research & Development compare to NVDA and AVGO?
JMicron Technology's Research & Development of NT$397.0 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 JMicron Technology and its competitors. JMicron Technology's current Research & Development is NT$397.0 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is JMicron Technology stock overvalued right now?
Based on GuruFocus' analysis, JMicron Technology (ROCO:4925) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$40.40, compared to a current price of NT$118.00 — trading 192.1% above its estimated fair value. The current Research & Development is NT$397.0 Mil. JMicron Technology's overall GF Score™ is 39/100 with 5 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 JMicron Technology (ROCO:4925), the current Research & Development is NT$397.0 Mil as of Dec. 2025. 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 JMicron Technology (ROCO:4925) Overvalued in 2026?

Based on GuruFocus' analysis, JMicron Technology stock appears to be overvalued. The current stock price of NT$118.00 is trading 192.1% above its estimated GF Value™ of NT$40.40. GuruFocus considers JMicron Technology to be Significantly Overvalued.

Key valuation signals for ROCO:4925:

  • Research & Development: NT$397.0 Mil
  • GF Value™: NT$40.40 vs. price of NT$118.00 (192.1% above fair value)
  • GF Score™: 39/100 with 5 warning signs

No single metric tells the full story. See the ROCO:4925 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

JMicron Technology Business Description

Address No. 13, Chuangxin 1st Road, 1st Floor, Hsinchu Science Park, Hsinchu, TWN
JMicron Technology Corp operates as a fabless IC company that specializes in designing high-speed data and signal interfaces. It offers bridge controller series that offers a range of high-speed and super-speed FireWire and SATAII/III interfaces for data storage applications.
39GF Score

Get the complete analysis for ROCO:4925

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

NT$118.00
Price
NT$40.40
GF Value