TOPCF (Topcon) 3-Year Book Growth Rate: 7.30% (As of Sep. 2025) — 45% Above Median

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.

TOPCF Topcon Corp TOPCF
9 GF Score
Price $21.21
GF Value $11.64
! 9 Warning Signs
View Full Analysis

What is Topcon 3-Year Book Growth Rate?

Topcon TOPCF 9 3-Year Book Growth Rate is 7.30% as of Sep. 2025, which is 45% above its 10-year median of 5.05. GuruFocus rates TOPCF with a GF Score™ of 9/100 and a GF Value™ of $11.64. The stock has 9 warning signs investors should review.

Topcon's Book Value per Share for the quarter that ended in Sep. 2025 was $1,210.25.

During the past 12 months, Topcon's average Book Value per Share Growth Rate was -5.20% per year. During the past 3 years, the average Book Value per Share Growth Rate was 7.30% per year. During the past 5 years, the average Book Value per Share Growth Rate was 11.80% per year. During the past 10 years, the average Book Value per Share Growth Rate was 6.60% 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 Topcon was 18.50% per year. The lowest was -13.00% per year. And the median was 5.05% per year.


Topcon  (OTCPK:TOPCF) 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.


Topcon 3-Year Book Growth Rate Related Terms


TOPCF vs GRMN, KEYS, COHR: 3-Year Book Growth Rate Comparison

For the Scientific & Technical Instruments subindustry, Topcon'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.


Topcon 3-Year Book Growth Rate vs Hardware Industry

For the Hardware industry and Technology sector, Topcon's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where Topcon's 3-Year Book Growth Rate falls into.


TOPCF
9GF Score
Topcon Corp TOPCF
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Topcon 3-Year Book Growth Rate Calculation

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 7.30% mean?
Topcon (TOPCF) has a 3-Year Book Growth Rate of 7.30% as of Sep. 2025. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Topcon and its competitors. This is 45% above median its historical median of 5.05.
Is Topcon's 3-Year Book Growth Rate too high?
Topcon's current 3-Year Book Growth Rate of 7.30% is 45% above median its 10-year median of 5.05. The Hardware industry median 3-Year Book Growth Rate is 3.55. Topcon's value of 7.30% is 105.6% above this industry median. Overall, Topcon has a GF Score™ of 9/100, reflecting its overall financial health beyond just this single metric.
How does Topcon's 3-Year Book Growth Rate compare to GRMN and KEYS?
Topcon's 3-Year Book Growth Rate of 7.30% can be compared against companies in the Hardware industry. The industry median 3-Year Book Growth Rate is 3.55. Topcon's value of 7.30% is 105.6% above this benchmark. While the company's 10-year median is 5.05 vs. the industry median of 3.55, Topcon has consistently been above the industry average. 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 Hardware company?
The median 3-Year Book Growth Rate among Hardware companies is 3.55, based on 2,392 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. Topcon's current 3-Year Book Growth Rate of 7.30% is 105.6% above the industry median. 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 Topcon and its competitors. For the Hardware industry, the median 3-Year Book Growth Rate is 3.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Topcon's current 3-Year Book Growth Rate is 7.30%, which is 45% above median its own 10-year median of 5.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Topcon stock overvalued right now?
Topcon (TOPCF) has a current 3-Year Book Growth Rate of 7.30%. The stock's GF Value™ is $11.64, compared to a current price of $21.21 — trading 82.2% above its estimated fair value. The current 3-Year Book Growth Rate is 7.30%, which is 45% above median its 10-year median of 5.05 and 105.6% above the Hardware industry median of 3.55. Topcon's overall GF Score™ is 9/100 with 9 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 Topcon (TOPCF), the current 3-Year Book Growth Rate is 7.30% as of Sep. 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 Topcon (TOPCF) Overvalued in 2026?

Based on GuruFocus' analysis, Topcon stock appears to be overvalued. The current stock price of $21.21 is trading 82.2% above its estimated GF Value™ of $11.64.

Key valuation signals for TOPCF:

  • 3-Year Book Growth Rate: 7.30% (45% above median its 10-year median of 5.05)
  • GF Value™: $11.64 vs. price of $21.21 (82.2% above fair value)
  • GF Score™: 9/100 with 9 warning signs
  • Industry Position: 105.6% above the Hardware median

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


Topcon Business Description

Address 75-1 Hasunuma-cho, Itabashi-ku, Tokyo, JPN, 174-8580
Topcon Corp sells ophthalmic instruments, medical equipment, machine control systems, and GPS-related products. Its operations are structured around three main areas: the Positioning Business, Eye Care Business, and Other. The Positioning division handles products such as total stations, 3D laser scanners, ICT automated construction systems, IT agricultural systems, GNSS receivers for surveying, laser equipment, and software for construction and civil engineering. The Eye Care division provides 3D fundus imaging devices, fundus cameras, auto and kerato refractors, slit lamps, tonometers, lens meters, ophthalmic laser systems, and related software for image management and electronic medical records.
9GF Score

Get the complete analysis for TOPCF

3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$21.21
Price
$11.64
GF Value