Greenfiltec (ROCO:6823) Common Stock: NT$277.6 Mil (As of Dec. 2025)

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Director of Data and Quant Analytics at GuruFocus
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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:6823 Greenfiltec Ltd ROCO:6823
73 GF Score
Price NT$66.30
GF Value NT$62.58
Valuation Fairly Valued
! 5 Warning Signs
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What is Greenfiltec Common Stock?

Greenfiltec ROCO:6823 +4.57% 73 Common Stock is NT$277.6 Mil as of Dec. 2025. GuruFocus rates ROCO:6823 with a GF Score™ of 73/100 and a GF Value™ of NT$62.58 (Fairly Valued). The stock has 5 warning signs investors should review.

Greenfiltec's quarterly common stock stayed the same from Jun. 2025 (NT$277.4 Mil) to Sep. 2025 (NT$277.4 Mil) but then increased from Sep. 2025 (NT$277.4 Mil) to Dec. 2025 (NT$277.6 Mil).

Greenfiltec's annual common stock stayed the same from Dec. 2023 (NT$222.4 Mil) to Dec. 2024 (NT$222.4 Mil) but then increased from Dec. 2024 (NT$222.4 Mil) to Dec. 2025 (NT$277.6 Mil).

Greenfiltec Common Stock Historical Data

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The historical data trend for Greenfiltec's Common Stock 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.

Greenfiltec Common Stock Chart

Greenfiltec Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial 177.63 211.80 222.39 222.39 277.64

Greenfiltec Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Common Stock 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 222.39 277.39 277.39 277.39 277.64
ROCO:6823
73GF Score
Greenfiltec Ltd ROCO:6823
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenfiltec Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of NT$277.6 Mil mean?
Greenfiltec (ROCO:6823) has a Common Stock of NT$277.6 Mil as of Dec. 2025. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Greenfiltec and its competitors.
Is Greenfiltec's Common Stock too high?
Greenfiltec's current Common Stock is NT$277.6 Mil. Overall, Greenfiltec has a GF Score™ of 73/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Greenfiltec's Common Stock compare to VLTO and ZWS?
Greenfiltec's Common Stock of NT$277.6 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Common Stock for an Industrial Products company?
A good Common Stock depends on the Industrial Products industry context. However, Common Stock 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 Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Greenfiltec and its competitors. Greenfiltec's current Common Stock is NT$277.6 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greenfiltec stock overvalued right now?
Based on GuruFocus' analysis, Greenfiltec (ROCO:6823) is currently considered Fairly Valued. The stock's GF Value™ is NT$62.58, compared to a current price of NT$66.30 — trading 5.9% above its estimated fair value. The current Common Stock is NT$277.6 Mil. Greenfiltec's overall GF Score™ is 73/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Common Stock calculated?
Common Stock is calculated from a company's financial statements. For Greenfiltec (ROCO:6823), the current Common Stock is NT$277.6 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 Greenfiltec (ROCO:6823) Overvalued in 2026?

Based on GuruFocus' analysis, Greenfiltec stock appears to be overvalued. The current stock price of NT$66.30 is trading 5.9% above its estimated GF Value™ of NT$62.58. GuruFocus considers Greenfiltec to be Fairly Valued.

Key valuation signals for ROCO:6823:

  • Common Stock: NT$277.6 Mil
  • GF Value™: NT$62.58 vs. price of NT$66.30 (5.9% above fair value)
  • GF Score™: 73/100 with 5 warning signs

No single metric tells the full story. See the ROCO:6823 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Greenfiltec Business Description

Address Lane 199, Zhongshan Noth Road, 2nd Floor, No.98, Section 1, Yangmei District, Taoyuan, TWN, 32665
Greenfiltec Ltd is engaged in the technique of micro-pollution control. The company provides customized chemical filter products and services for clean air needs. Its product portfolio includes Mobile Trolleys, Mobile High Air Volume Trolleys, Machine Filters, and Stacked Chemical Filters among others. Geographically, the company derives a majority of its revenue from Taiwan and the rest from other regions.
73GF Score

Get the complete analysis for ROCO:6823

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

NT$66.30
Price
NT$62.58
GF Value