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.
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.
Rohm CoSTU:ROM -0.74%70 3-Year Book Growth Rate is -5.60% as of Jun. 2026. GuruFocus rates STU:ROM with a GF Score™ of 70/100 and a GF Value™ of €12.11 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 986 Semiconductors companies, Rohm Co ranks worse than 79.61% on this metric.
During the past 12 months, Rohm Co's average Book Value per Share Growth Rate was -12.20% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -5.60% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 0.90% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 3.40% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Rohm Co was 9.10% per year. The lowest was -5.60% per year. And the median was 2.05% per year.
Rohm Co (STU:ROM) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Rohm Co 3-Year Book Growth Rate Related Terms
STU:ROM vs NVDA, AVGO, MU: 3-Year Book Growth Rate Comparison
For the Semiconductors subindustry, Rohm Co's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Rohm Co 3-Year Book Growth Rate vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Rohm Co's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Rohm Co's 3-Year Book Growth Rate falls into.
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of -5.60% mean?
Rohm Co (STU:ROM) has a 3-Year Book Growth Rate of -5.60% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Rohm Co and its competitors. According to the industry distribution chart, Rohm Co ranks #785 out of 986 companies in the Semiconductors industry, placing it in the top 79.6%.
Is Rohm Co's 3-Year Book Growth Rate too high?
Rohm Co's current 3-Year Book Growth Rate is -5.60%. Based on the distribution chart, Rohm Co ranks #785 out of 986 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Rohm Co has a GF Score™ of 70/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Rohm Co's 3-Year Book Growth Rate compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Rohm Co ranks #785 out of 986 companies for 3-Year Book Growth Rate. This places Rohm Co in the lower half of its industry. The industry median 3-Year Book Growth Rate is 4.40. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Semiconductors company?
The median 3-Year Book Growth Rate among Semiconductors companies is 4.40, based on 986 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Rohm Co and its competitors. For the Semiconductors industry, the median 3-Year Book Growth Rate is 4.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rohm Co's current 3-Year Book Growth Rate is -5.60%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rohm Co stock overvalued right now?
Based on GuruFocus' analysis, Rohm Co (STU:ROM) is currently considered Significantly Overvalued. The stock's GF Value™ is €12.11, compared to a current price of €25.52 — trading 110.7% above its estimated fair value. The current 3-Year Book Growth Rate is -5.60%. Rohm Co's overall GF Score™ is 70/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Rohm Co (STU:ROM), the current 3-Year Book Growth Rate is -5.60% as of Jun. 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 Rohm Co (STU:ROM) Overvalued in 2026?
Based on GuruFocus' analysis, Rohm Co stock appears to be overvalued.
The current stock price of €25.52 is trading 110.7% above its estimated GF Value™ of €12.11.
GuruFocus considers Rohm Co to be Significantly Overvalued.
Key valuation signals for STU:ROM:
3-Year Book Growth Rate: -5.60%
GF Value™: €12.11 vs. price of €25.52 (110.7% above fair value)
No single metric tells the full story. See the STU:ROM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rohm Co Ltd is a Japan-based company that manufactures and distributes electronic components for use in automotive, transportation, medical, healthcare, audiovisual, telecommunications, digital power, computer and peripherals, and home appliance end markets. The group operates through three reportable segments: LSI, Semiconductor Elements, and Modules. The LSI segment produces analog, logic, and memory LSIs; the Semiconductor Elements segment includes transistors, diodes, power devices, light-emitting diodes, and semiconductor lasers; and the Module segment produces print heads and optical modules.
70GF Score
Get the complete analysis for STU:ROM
3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:ROM has been successfully added to your 
