Formosa Sumco Technology (TPE:3532) Book Value per Share: NT$63.71 (As of Dec. 2025)

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TPE:3532 Formosa Sumco Technology Corp TPE:3532
62 GF Score
Price NT$379.50
GF Value NT$117.68
Valuation Significantly Overvalued
! 10 Warning Signs
View Full Analysis

What is Formosa Sumco Technology Book Value per Share?

Formosa Sumco Technology TPE:3532 -9.96% 62 Book Value per Share is NT$63.71 as of Dec. 2025. GuruFocus rates TPE:3532 with a GF Score™ of 62/100 and a GF Value™ of NT$117.68 (Significantly Overvalued). The stock has 10 warning signs investors should review.

Formosa Sumco Technology's book value per share for the quarter that ended in Dec. 2025 was NT$63.71.

During the past 12 months, Formosa Sumco Technology's average Book Value Per Share Growth Rate was -0.40% per year. During the past 3 years, the average Book Value Per Share Growth Rate was -0.20% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 4.40% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 2.40% 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 book value growth rate using book value per share data.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Formosa Sumco Technology was 7.70% per year. The lowest was -2.10% per year. And the median was 2.05% per year.

Formosa Sumco Technology's current price is NT$379.50. Its book value per share for the quarter that ended in Dec. 2025 was NT$63.71. Hence, today's PB Ratio of Formosa Sumco Technology is 5.96.

During the past 13 years, the highest P/B Ratio of Formosa Sumco Technology was 7.35. The lowest was 1.14. And the median was 2.54.

Warning Sign:

Formosa Sumco Technology Corp stock PB Ratio (=6.66) is close to 10-year high of 6.91.


Formosa Sumco Technology  (TPE:3532) Book Value per Share Explanation

Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.

For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.


Formosa Sumco Technology Book Value per Share Related Terms


Formosa Sumco Technology Book Value per Share Historical Data

* Premium members only.

The historical data trend for Formosa Sumco Technology's Book Value per Share 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.

Formosa Sumco Technology Book Value per Share Chart

Formosa Sumco Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Book Value per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 53.77 64.03 65.62 63.96 63.71

Formosa Sumco Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Book Value per Share 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 63.96 62.83 62.36 62.94 63.71

TPE:3532 vs AMAT, LRCX, KLAC: Book Value per Share Comparison

For the Semiconductor Equipment & Materials subindustry, Formosa Sumco Technology's PB Ratio, along with its competitors' market caps and PB Ratio 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.


Formosa Sumco Technology PB Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Formosa Sumco Technology's PB Ratio distribution charts can be found below:

* The bar in red indicates where Formosa Sumco Technology's PB Ratio falls into.


TPE:3532
62GF Score
Formosa Sumco Technology Corp TPE:3532
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Formosa Sumco Technology Book Value per Share Calculation

Formosa Sumco Technology's Book Value Per Share for the fiscal year that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(24,708-0)/388
=63.71

Formosa Sumco Technology's Book Value Per Share for the quarter that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(24,708-0)/388
=63.71

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of NT$63.71 mean?
Formosa Sumco Technology (TPE:3532) has a Book Value per Share of NT$63.71 as of Dec. 2025. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Formosa Sumco Technology and its competitors.
Is Formosa Sumco Technology's Book Value per Share too high?
Formosa Sumco Technology's current Book Value per Share is NT$63.71. Overall, Formosa Sumco Technology has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Sumco Technology's Book Value per Share compare to AMAT and LRCX?
Formosa Sumco Technology's Book Value per Share of NT$63.71 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 Book Value per Share for a Semiconductors company?
A good Book Value per Share depends on the Semiconductors industry context. However, Book Value per Share 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 Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Formosa Sumco Technology and its competitors. Formosa Sumco Technology's current Book Value per Share is NT$63.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Sumco Technology stock overvalued right now?
Based on GuruFocus' analysis, Formosa Sumco Technology (TPE:3532) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$117.68, compared to a current price of NT$379.50 — trading 222.5% above its estimated fair value. The current Book Value per Share is NT$63.71. Formosa Sumco Technology's overall GF Score™ is 62/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Formosa Sumco Technology (TPE:3532), the current Book Value per Share is NT$63.71 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 Formosa Sumco Technology (TPE:3532) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Sumco Technology stock appears to be overvalued. The current stock price of NT$379.50 is trading 222.5% above its estimated GF Value™ of NT$117.68. GuruFocus considers Formosa Sumco Technology to be Significantly Overvalued.

Key valuation signals for TPE:3532:

  • Book Value per Share: NT$63.71
  • GF Value™: NT$117.68 vs. price of NT$379.50 (222.5% above fair value)
  • GF Score™: 62/100 with 10 warning signs

No single metric tells the full story. See the TPE:3532 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Sumco Technology Business Description

Address Nanjing East Road, 8th Floor, A1 Building, No. 380, Section 6, Neihu District, Taipei, TWN
Formosa Sumco Technology Corp is a Taiwan-based manufacturer and seller of silicon wafer electronic products. The company operates in two principal geographical areas: Taiwan, China, and Japan, with the majority of revenue from Taiwan. The company's product range includes Polished Wafers, Annealed Wafers, Test Wafers, and Epitaxial Wafers.
62GF Score

Get the complete analysis for TPE:3532

Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$379.50
Price
NT$117.68
GF Value