PuriBlood Medical Co (ROCO:6847) Gross Margin %: 30.38% (As of Dec. 2025) — 23% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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:6847 PuriBlood Medical Co Ltd ROCO:6847
74 GF Score
Price NT$77.70
GF Value NT$66.17
Valuation Modestly Overvalued
! 9 Warning Signs
View Full Analysis

What is PuriBlood Medical Co Gross Margin %?

PuriBlood Medical Co ROCO:6847 +2.91% 74 Gross Margin % is 30.38% as of Dec. 2025, which is 23% above its 10-year median of 24.75. GuruFocus rates ROCO:6847 with a GF Score™ of 74/100 and a GF Value™ of NT$66.17 (Modestly Overvalued). The stock has 9 warning signs investors should review. Among 194 Medical Diagnostics & Research companies, PuriBlood Medical Co ranks worse than 62.37% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. PuriBlood Medical Co's Gross Profit for the six months ended in Dec. 2025 was NT$12.79 Mil. PuriBlood Medical Co's Revenue for the six months ended in Dec. 2025 was NT$42.09 Mil. Therefore, PuriBlood Medical Co's Gross Margin % for the quarter that ended in Dec. 2025 was 30.38%.


The historical rank and industry rank for PuriBlood Medical Co's Gross Margin % or its related term are showing as below:

ROCO:6847' s Gross Margin % Range Over the Past 10 Years
Min: -23.5   Med: 24.75   Max: 63.08
Current: 39.24


During the past 8 years, the highest Gross Margin % of PuriBlood Medical Co was 63.08%. The lowest was -23.50%. And the median was 24.75%.

ROCO:6847's Gross Margin % is ranked worse than
62.37% of 194 companies
in the Medical Diagnostics & Research industry
Industry Median: 51.14 vs ROCO:6847: 39.24

PuriBlood Medical Co had a gross margin of 30.38% for the quarter that ended in Dec. 2025 => Competition eroding margins

The 5-Year average Growth Rate of Gross Margin for PuriBlood Medical Co was 1.70% per year.


PuriBlood Medical Co  (ROCO:6847) 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

PuriBlood Medical Co had a gross margin of 30.38% for the quarter that ended in Dec. 2025 => Competition eroding margins


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.


PuriBlood Medical Co Gross Margin % Related Terms


PuriBlood Medical Co Gross Margin % Historical Data

* Premium members only.

The historical data trend for PuriBlood Medical 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.

PuriBlood Medical Co Gross Margin % Chart

PuriBlood Medical Co Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial 10.26 42.68 5.21 55.26 39.24

PuriBlood Medical Co Semi-Annual Data
Dec18 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Gross Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -1.97 48.19 58.34 48.50 30.38

ROCO:6847 vs TMO, DHR, IDXX: Gross Margin % Comparison

For the Diagnostics & Research subindustry, PuriBlood Medical 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.


PuriBlood Medical Co Gross Margin % vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, PuriBlood Medical Co's Gross Margin % distribution charts can be found below:

* The bar in red indicates where PuriBlood Medical Co's Gross Margin % falls into.


ROCO:6847
74GF Score
PuriBlood Medical Co Ltd ROCO:6847
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PuriBlood Medical Co Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

PuriBlood Medical Co's Gross Margin for the fiscal year that ended in Dec. 2025 is calculated as

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=32.3 / 82.335
=(Revenue - Cost of Goods Sold) / Revenue
=(82.335 - 50.028) / 82.335
=39.24 %

PuriBlood Medical Co's Gross Margin for the quarter that ended in Dec. 2025 is calculated as


Gross Margin % (Q: Dec. 2025 )=Gross Profit (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=12.8 / 42.087
=(Revenue - Cost of Goods Sold) / Revenue
=(42.087 - 29.302) / 42.087
=30.38 %

* 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.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of 30.38% mean?
PuriBlood Medical Co (ROCO:6847) has a Gross Margin % of 30.38% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on PuriBlood Medical Co and its competitors. This is 23% above median its historical median of 24.75. According to the industry distribution chart, PuriBlood Medical Co ranks #121 out of 194 companies in the Medical Diagnostics & Research industry, placing it in the top 62.4%.
Is PuriBlood Medical Co's Gross Margin % too high?
PuriBlood Medical Co's current Gross Margin % of 30.38% is 23% above median its 10-year median of 24.75. The Medical Diagnostics & Research industry median Gross Margin % is 51.14. PuriBlood Medical Co's value of 30.38% is 40.6% below this industry median. Based on the distribution chart, PuriBlood Medical Co ranks #121 out of 194 companies in the Medical Diagnostics & Research industry, which is below the industry midpoint. Overall, PuriBlood Medical Co has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PuriBlood Medical Co's Gross Margin % compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, PuriBlood Medical Co ranks #121 out of 194 companies for Gross Margin %. This places PuriBlood Medical Co in the lower half of its industry. The industry median Gross Margin % is 51.14. PuriBlood Medical Co's value of 30.38% is 40.6% below this benchmark. While the company's 10-year median is 24.75 vs. the industry median of 51.14, PuriBlood Medical 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 Medical Diagnostics & Research company?
The median Gross Margin % among Medical Diagnostics & Research companies is 51.14, based on 194 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. PuriBlood Medical Co's current Gross Margin % of 30.38% is 40.6% 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 PuriBlood Medical Co and its competitors. For the Medical Diagnostics & Research industry, the median Gross Margin % is 51.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PuriBlood Medical Co's current Gross Margin % is 30.38%, which is 23% above median its own 10-year median of 24.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PuriBlood Medical Co stock overvalued right now?
Based on GuruFocus' analysis, PuriBlood Medical Co (ROCO:6847) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$66.17, compared to a current price of NT$77.70 — trading 17.4% above its estimated fair value. The current Gross Margin % is 30.38%, which is 23% above median its 10-year median of 24.75 and 40.6% below the Medical Diagnostics & Research industry median of 51.14. PuriBlood Medical Co's overall GF Score™ is 74/100 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 PuriBlood Medical Co (ROCO:6847), the current Gross Margin % is 30.38% 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 PuriBlood Medical Co (ROCO:6847) Overvalued in 2026?

Based on GuruFocus' analysis, PuriBlood Medical Co stock appears to be overvalued. The current stock price of NT$77.70 is trading 17.4% above its estimated GF Value™ of NT$66.17. GuruFocus considers PuriBlood Medical Co to be Modestly Overvalued.

Key valuation signals for ROCO:6847:

  • Gross Margin %: 30.38% (23% above median its 10-year median of 24.75)
  • GF Value™: NT$66.17 vs. price of NT$77.70 (17.4% above fair value)
  • GF Score™: 74/100 with 9 warning signs
  • Industry Position: 40.6% below the Medical Diagnostics & Research median (#121 of 194)

No single metric tells the full story. See the ROCO:6847 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


PuriBlood Medical Co Business Description

Address Gongye E. 9th Road, Baoshan Township, 2nd Floor, No.11, Hsinchu County, Baoshan, TWN
PuriBlood Medical Co Ltd is engaged in developing solutions for leukoreduction, cell separation, and anti-fouling materials. Its technology protects to supports living beings from medical devices to daily protection. The products of the company include Leukoreduction, Cell Separation, and P-tex.
74GF Score

Get the complete analysis for ROCO:6847

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

NT$77.70
Price
NT$66.17
GF Value