Quanta Storage (ROCO:6188) Book Value per Share: NT$45.79 (As of Jun. 2026)

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ROCO:6188 Quanta Storage Inc ROCO:6188
74 GF Score
Price NT$68.00
GF Value NT$91.60
Valuation Modestly Undervalued
! 6 Warning Signs
View Full Analysis

What is Quanta Storage Book Value per Share?

Quanta Storage ROCO:6188 -1.02% 74 Book Value per Share is NT$45.79 as of Jun. 2026. GuruFocus rates ROCO:6188 with a GF Score™ of 74/100 and a GF Value™ of NT$91.60 (Modestly Undervalued). The stock has 6 warning signs investors should review.

Quanta Storage's book value per share for the quarter that ended in Jun. 2026 was NT$45.79.

During the past 12 months, Quanta Storage's average Book Value Per Share Growth Rate was 40.20% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 12.40% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 9.60% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 3.00% 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 Quanta Storage was 12.40% per year. The lowest was -4.50% per year. And the median was 1.70% per year.

Quanta Storage's current price is NT$68.00. Its book value per share for the quarter that ended in Jun. 2026 was NT$45.79. Hence, today's PB Ratio of Quanta Storage is 1.48.

During the past 13 years, the highest P/B Ratio of Quanta Storage was 3.97. The lowest was 0.74. And the median was 1.48.

Good Sign:

Quanta Storage Inc stock PB Ratio (=1.48) is close to 3-year low of 1.45.


Quanta Storage  (ROCO:6188) 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.


Quanta Storage Book Value per Share Related Terms


Quanta Storage Book Value per Share Historical Data

* Premium members only.

The historical data trend for Quanta Storage'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.

Quanta Storage Book Value per Share Chart

Quanta Storage 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 30.31 32.21 33.19 34.26 45.76

Quanta Storage Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 32.66 44.37 45.76 44.94 45.79

ROCO:6188 vs DELL, ANET, SNDK: Book Value per Share Comparison

For the Computer Hardware subindustry, Quanta Storage'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.


Quanta Storage PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Quanta Storage's PB Ratio distribution charts can be found below:

* The bar in red indicates where Quanta Storage's PB Ratio falls into.


ROCO:6188
74GF Score
Quanta Storage Inc ROCO:6188
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Quanta Storage Book Value per Share Calculation

Quanta Storage'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)
=(12,737-0)/278
=45.76

Quanta Storage's Book Value Per Share for the quarter that ended in Jun. 2026 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(12,747-0)/278
=45.79

* 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$45.79 mean?
Quanta Storage (ROCO:6188) has a Book Value per Share of NT$45.79 as of Jun. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Quanta Storage and its competitors.
Is Quanta Storage's Book Value per Share too high?
Quanta Storage's current Book Value per Share is NT$45.79. Overall, Quanta Storage has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Quanta Storage's Book Value per Share compare to DELL and ANET?
Quanta Storage's Book Value per Share of NT$45.79 can be compared against companies in the Hardware 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 Hardware company?
A good Book Value per Share depends on the Hardware 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 Quanta Storage and its competitors. Quanta Storage's current Book Value per Share is NT$45.79. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quanta Storage stock overvalued right now?
Based on GuruFocus' analysis, Quanta Storage (ROCO:6188) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$91.60, compared to a current price of NT$68.00 — trading 25.8% below its estimated fair value. The current Book Value per Share is NT$45.79. Quanta Storage's overall GF Score™ is 74/100 with 6 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 Quanta Storage (ROCO:6188), the current Book Value per Share is NT$45.79 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 Quanta Storage (ROCO:6188) Overvalued in 2026?

Based on GuruFocus' analysis, Quanta Storage stock appears to be undervalued. The current stock price of NT$68.00 is trading 25.8% below its estimated GF Value™ of NT$91.60. GuruFocus considers Quanta Storage to be Modestly Undervalued.

Key valuation signals for ROCO:6188:

  • Book Value per Share: NT$45.79
  • GF Value™: NT$91.60 vs. price of NT$68.00 (25.8% below fair value)
  • GF Score™: 74/100 with 6 warning signs

No single metric tells the full story. See the ROCO:6188 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Quanta Storage Business Description

Address No. 58-2, Huaya 2nd Road, 6th Floor, Guishan District, Taoyuan, TWN, 333411
Quanta Storage Inc is engaged in the research, development, production, manufacturing, & selling of data storage and processing equipment, electronic components, & optical instruments. The Group has three reportable segments: The Mainland China Operation center, the Southeast Asia Operation center, & the Taiwan Operation center. The Mainland China Operation Center includes OEM, production, & sales of computer peripherals to computer companies. The Southeast Asia Operation Center is engaged in the OEM, production, & sales of consumer electronic products. The Taiwan Operation Center's main activities include the sales & trading of electronic products & raw materials. Other segments are mainly engaged in activities pertaining to investment, including strategic investment & fund investment.
74GF Score

Get the complete analysis for ROCO:6188

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

NT$68.00
Price
NT$91.60
GF Value