Winston Medical Supply Co (ROCO:6817) ROE %: 25.26% (As of Dec. 2025) — 17% Below Median


ROCO:6817 Winston Medical Supply Co Ltd ROCO:6817
85 GF Score
Price NT$59.20
GF Value NT$102.58
Valuation Significantly Undervalued
! 2 Warning Signs
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What is Winston Medical Supply Co ROE %?

Winston Medical Supply Co ROCO:6817 -1.82% 85 ROE % is 25.26% as of Dec. 2025, which is 17% below its 10-year median of 30.27. GuruFocus rates ROCO:6817 with a GF Score™ of 85/100 and a GF Value™ of NT$102.58 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 934 Drug Manufacturers companies, Winston Medical Supply Co ranks better than 93.36% on this metric.

ROE % is calculated as Net Income divided by its average Total Stockholders Equity over a certain period of time. Winston Medical Supply Co's annualized net income for the quarter that ended in Dec. 2025 was NT$101.6 Mil. Winston Medical Supply Co's average Total Stockholders Equity over the quarter that ended in Dec. 2025 was NT$402.3 Mil. Therefore, Winston Medical Supply Co's annualized ROE % for the quarter that ended in Dec. 2025 was 25.26%.

The historical rank and industry rank for Winston Medical Supply Co's ROE % or its related term are showing as below:

ROCO:6817' s ROE % Range Over the Past 10 Years
Min: -13.4   Med: 30.27   Max: 43.69
Current: 28.29

During the past 9 years, Winston Medical Supply Co's highest ROE % was 43.69%. The lowest was -13.40%. And the median was 30.27%.

ROCO:6817's ROE % is ranked better than
93.36% of 934 companies
in the Drug Manufacturers industry
Industry Median: 6.02 vs ROCO:6817: 28.29

Winston Medical Supply Co  (ROCO:6817) ROE % Explanation

ROE % measures the rate of return on the ownership interest (shareholder's equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' equity (also known as net assets or assets minus liabilities). ROE % shows how well a company uses investment funds to generate earnings growth. ROE %s between 15% and 20% are considered desirable.

The factors that affect a company's ROE % can be illustrated with the three-step DuPont Analysis:

ROE %(Q: Dec. 2025 )
=Net Income/Total Stockholders Equity
=101.606/402.2615
=(Net Income / Revenue )*(Revenue / Total Assets)*(Total Assets / Total Stockholders Equity)
=(101.606 / 682.498)*(682.498 / 819.788)*(819.788 / 402.2615)
=Net Margin %*Asset Turnover*Equity Multiplier
=14.89 %*0.8325*2.0379
=ROA %*Equity Multiplier
=12.4 %*2.0379
=25.26 %

With this breakdown, it is clear that if a company grows its Net Profit Margin, its Asset Turnover, or its Leverage, it can grow its ROE %.

The factors that affect a company's ROE % can also be illustrated with the five-step DuPont Analysis:

ROE %(Q: Dec. 2025 )
=Net Income/Total Stockholders Equity
=101.606/402.2615
=(Net Income / Pre-Tax Income) * (Pre-Tax Income / Operating Income) * (Operating Income / Revenue) * (Revenue / Total Assets) * (Total Assets / Total Stockholders Equity)
= (101.606 / 126.95) * (126.95 / 120.796) * (120.796 / 682.498) * (682.498 / 819.788) * (819.788 / 402.2615)
= Tax Burden * Interest Burden * Operating Margin % * Asset Turnover * Equity Multiplier
= 0.8004 * 1.0509 * 17.7 % * 0.8325 * 2.0379
=25.26 %

Note: The net income data used here is two times the semi-annual (Dec. 2025) net income data. The Revenue data used here is two times the semi-annual (Dec. 2025) revenue data. The same rule applies to Pre-Tax Income and Operating Income.
* In the five-step DuPont Analysis, Operating Income is only available for non-financial companies. Thus, for Insurance companies, we use EBIT as a substitution of Operating Income. For Banks, both Operating Income and EBIT is unavailable. Thus we combined Interest Burden and Operating Margin % into Pretax Margin %, and the DuPont Analysis is divided into four components instead.

* 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.


Be Aware

Net Income is used.

Because a company can increase its ROE % by having more financial leverage, it is important to watch the equity multiplier when investing in high ROE % companies. Like ROA %, ROE % is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.

Asset light businesses require very few assets to generate very high earnings. Their ROE %s can be extremely high.


Winston Medical Supply Co ROE % Related Terms


Winston Medical Supply Co ROE % Historical Data

* Premium members only.

The historical data trend for Winston Medical Supply Co's ROE % 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.

Winston Medical Supply Co ROE % Chart

Winston Medical Supply Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE %
Get a 7-Day Free Trial Premium Member Only 30.27 32.39 40.21 30.35 27.06

Winston Medical Supply Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROE % 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 44.65 32.00 33.47 32.58 25.26

ROCO:6817 vs ZTS, UTHR: ROE % Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Winston Medical Supply Co's ROE %, along with its competitors' market caps and ROE % 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.


Winston Medical Supply Co ROE % vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Winston Medical Supply Co's ROE % distribution charts can be found below:

* The bar in red indicates where Winston Medical Supply Co's ROE % falls into.


ROCO:6817
85GF Score
Winston Medical Supply Co Ltd ROCO:6817
ROE % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Winston Medical Supply Co ROE % Calculation

Winston Medical Supply Co's annualized ROE % for the fiscal year that ended in Dec. 2025 is calculated as

ROE %=Net Income (A: Dec. 2025 )/( (Total Stockholders Equity (A: Dec. 2024 )+Total Stockholders Equity (A: Dec. 2025 ))/ count )
=117.293/( (439.382+427.57)/ 2 )
=117.293/433.476
=27.06 %

Winston Medical Supply Co's annualized ROE % for the quarter that ended in Dec. 2025 is calculated as

ROE %=Net Income (Q: Dec. 2025 )/( (Total Stockholders Equity (Q: Jun. 2025 )+Total Stockholders Equity (Q: Dec. 2025 ))/ count )
=101.606/( (376.953+427.57)/ 2 )
=101.606/402.2615
=25.26 %

* 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.

In the calculation of annual ROE %, the net income of the last fiscal year and the average total shareholder equity over the fiscal year are used. In calculating the quarterly data, the net income data used here is two times the semi-annual (Dec. 2025) net income data. ROE % is displayed in the 30-year financial page.

Frequently Asked Questions Learn more about ROE % →
What does a ROE % of 25.26% mean?
Winston Medical Supply Co (ROCO:6817) has a ROE % of 25.26% as of Dec. 2025. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Winston Medical Supply Co and its competitors. This is 17% below median its historical median of 30.27. According to the industry distribution chart, Winston Medical Supply Co ranks #62 out of 934 companies in the Drug Manufacturers industry, placing it in the top 6.6%.
Is Winston Medical Supply Co's ROE % too high?
Winston Medical Supply Co's current ROE % of 25.26% is 17% below median its 10-year median of 30.27. The Drug Manufacturers industry median ROE % is 6.02. Winston Medical Supply Co's value of 25.26% is 319.6% above this industry median. Based on the distribution chart, Winston Medical Supply Co ranks #62 out of 934 companies in the Drug Manufacturers industry, which is in the top quartile — a strong position relative to peers. Overall, Winston Medical Supply Co has a GF Score™ of 85/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Winston Medical Supply Co's ROE % compare to ZTS and UTHR?
According to the Drug Manufacturers industry distribution chart, Winston Medical Supply Co ranks #62 out of 934 companies for ROE %. This places Winston Medical Supply Co in the top 7% of its industry — outperforming the majority of peers. The industry median ROE % is 6.02. Winston Medical Supply Co's value of 25.26% is 319.6% above this benchmark. While the company's 10-year median is 30.27 vs. the industry median of 6.02, Winston Medical Supply Co 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 ROE % for a Drug Manufacturers company?
The median ROE % among Drug Manufacturers companies is 6.02, based on 934 companies in the industry. Companies in the top quartile (top 25%) have a ROE % significantly above this median, while those in the bottom quartile fall well below. However, ROE % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Winston Medical Supply Co's current ROE % of 25.26% is 319.6% 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 ROE % mean?
A high ROE % can signal that a stock is expensive relative to its fundamentals. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Winston Medical Supply Co and its competitors. For the Drug Manufacturers industry, the median ROE % is 6.02 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Winston Medical Supply Co's current ROE % is 25.26%, which is 17% below median its own 10-year median of 30.27. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Winston Medical Supply Co stock overvalued right now?
Based on GuruFocus' analysis, Winston Medical Supply Co (ROCO:6817) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$102.58, compared to a current price of NT$59.20 — trading 42.3% below its estimated fair value. The current ROE % is 25.26%, which is 17% below median its 10-year median of 30.27 and 319.6% above the Drug Manufacturers industry median of 6.02. Winston Medical Supply Co's overall GF Score™ is 85/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % calculated?
ROE % is calculated from a company's financial statements. For Winston Medical Supply Co (ROCO:6817), the current ROE % is 25.26% 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 Winston Medical Supply Co (ROCO:6817) Overvalued in 2026?

Based on GuruFocus' analysis, Winston Medical Supply Co stock appears to be undervalued. The current stock price of NT$59.20 is trading 42.3% below its estimated GF Value™ of NT$102.58. GuruFocus considers Winston Medical Supply Co to be Significantly Undervalued.

Key valuation signals for ROCO:6817:

  • ROE %: 25.26% (17% below median its 10-year median of 30.27)
  • GF Value™: NT$102.58 vs. price of NT$59.20 (42.3% below fair value)
  • GF Score™: 85/100 with 2 warning signs
  • Industry Position: 319.6% above the Drug Manufacturers median (#62 of 934)

No single metric tells the full story. See the ROCO:6817 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Winston Medical Supply Co Business Description

Address 117 Renai Street, Yanzhouli, Yongkang District, Tainan, TWN, 710
Winston Medical Supply Co Ltd is a manufacturer of medical products. It produces sterile ophthalmic preparations, hormone preparations and healthy products.
85GF Score

Get the complete analysis for ROCO:6817

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

NT$59.20
Price
NT$102.58
GF Value