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Rengo CoTSE:3941 +0.91%81 Gross Margin % is 17.66% as of Mar. 2026, which is 3% below its 10-year median of 18.24. GuruFocus rates TSE:3941 with a GF Score™ of 81/100 and a GF Value™ of 円1,086.98 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 382 Packaging & Containers companies, Rengo Co ranks worse than 58.9% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Rengo Co's Gross Profit for the
three
months ended in Mar. 2026 was 円44,066 Mil. Rengo Co's Revenue for the
three
months ended in Mar. 2026 was 円249,583 Mil. Therefore, Rengo Co's Gross Margin % for the quarter that ended in Mar. 2026 was 17.66%.
The historical rank and industry rank for Rengo Co's Gross Margin % or its related term are showing as below:
TSE:3941'
s Gross Margin % Range Over the Past 10 Years
Min: 16.46 Med: 18.24 Max: 19.58
Current: 18.65
During the past 13 years, the highestGross Margin % of Rengo Co was 19.58%. The lowest was 16.46%. And the median was 18.24%.
TSE:3941's Gross Margin % is ranked worse than 58.9% of 382
companies
in the Packaging & Containers industry
Industry Median: 21.38
vs TSE:3941: 18.65
Rengo Co had a gross margin of 17.66% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Rengo Co was -0.20% per year.
Rengo Co (TSE:3941) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Rengo Co had a gross margin of 17.66% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Rengo Co Gross Margin % Related Terms
Rengo Co Gross Margin % Historical Data
* Premium members only.
The historical data trend for Rengo Co's Gross Margin % 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.
TSE:3941 vs SW, PKG, IP: Gross Margin % Comparison
For the Packaging & Containers subindustry, Rengo Co's Gross Margin %, along with its competitors' market caps and Gross Margin % 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.
Rengo Co Gross Margin % vs Packaging & Containers Industry
For the Packaging & Containers industry and Consumer Cyclical sector, Rengo Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Rengo Co's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Rengo Co (TSE:3941) has a Gross Margin % of 17.66% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Rengo Co and its competitors. This is near median its historical median of 18.24. Over the past decade, Rengo Co's Gross Margin % has ranged from 16.46 to 19.58. According to the industry distribution chart, Rengo Co ranks #225 out of 382 companies in the Packaging & Containers industry, placing it in the top 58.9%.
Is Rengo Co's Gross Margin % too high?
Rengo Co's current Gross Margin % of 17.66% is near median its 10-year median of 18.24. Over the past 10 years, this metric has ranged from a low of 16.46 to a high of 19.58. The Packaging & Containers industry median Gross Margin % is 21.38. Rengo Co's value of 17.66% is 17.4% below this industry median. Based on the distribution chart, Rengo Co ranks #225 out of 382 companies in the Packaging & Containers industry, which is below the industry midpoint. Overall, Rengo Co has a GF Score™ of 81/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Rengo Co's Gross Margin % compare to SW and PKG?
According to the Packaging & Containers industry distribution chart, Rengo Co ranks #225 out of 382 companies for Gross Margin %. This places Rengo Co in the lower half of its industry. The industry median Gross Margin % is 21.38. Rengo Co's value of 17.66% is 17.4% below this benchmark. Historically, Rengo Co's own Gross Margin % has ranged from 16.46 to 19.58 over the past decade. While the company's 10-year median is 18.24 vs. the industry median of 21.38, Rengo Co has consistently been below 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 Gross Margin % for a Packaging & Containers company?
The median Gross Margin % among Packaging & Containers companies is 21.38, based on 382 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Rengo Co's current Gross Margin % of 17.66% is 17.4% below 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Rengo Co and its competitors. For the Packaging & Containers industry, the median Gross Margin % is 21.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rengo Co's current Gross Margin % is 17.66%, which is near median its own 10-year median of 18.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rengo Co stock overvalued right now?
Based on GuruFocus' analysis, Rengo Co (TSE:3941) is currently considered Significantly Overvalued. The stock's GF Value™ is 円1,086.98, compared to a current price of 円1,448.50 — trading 33.3% above its estimated fair value. The current Gross Margin % is 17.66%, which is near median its 10-year median of 18.24 and 17.4% below the Packaging & Containers industry median of 21.38. Rengo Co's overall GF Score™ is 81/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Rengo Co (TSE:3941), the current Gross Margin % is 17.66% as of Mar. 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 Rengo Co (TSE:3941) Overvalued in 2026?
Based on GuruFocus' analysis, Rengo Co stock appears to be overvalued.
The current stock price of 円1,448.50 is trading 33.3% above its estimated GF Value™ of 円1,086.98.
GuruFocus considers Rengo Co to be Significantly Overvalued.
Key valuation signals for TSE:3941:
Gross Margin %: 17.66% (near median its 10-year median of 18.24)
GF Value™: 円1,086.98 vs. price of 円1,448.50 (33.3% above fair value)
Industry Position: 17.4% below the Packaging & Containers median (#225 of 382)
No single metric tells the full story. See the TSE:3941 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rengo Co Ltd manufactures and sells a variety of packaging products. The firm organizes itself into four segments based on product type. The paperboard and packaging segment, which generates the majority of revenue, sells corrugated packaging and boxes used to package food and agricultural products. The flexible packaging segment sells films, labels, and cellophane mainly used for food and beverage packaging. The heavy duty packaging segment sells plastic and paper container bags used by the agricultural, transportation, and chemicals industries. The overseas business sells packaging products outside of Japan. The majority of revenue comes from Japan.
81GF Score
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