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.
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.
Star Lake Bioscience CoSHSE:600866 -0.60%70 Gross Margin % is 7.65% as of Mar. 2026, which is 59% below its 10-year median of 18.49. GuruFocus rates SHSE:600866 with a GF Score™ of 70/100 and a GF Value™ of ¥5.86 (Modestly Undervalued). The stock has 7 warning signs investors should review. Among 732 Biotechnology companies, Star Lake Bioscience Co ranks worse than 88.93% on this metric.
SHSE:600866's Gross Margin % is ranked worse than 88.93% of 732
companies
in the Biotechnology industry
Industry Median: 60.905
vs SHSE:600866: 12.86
Star Lake Bioscience Co had a gross margin of 7.65% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Star Lake Bioscience Co was -10.90% per year.
Star Lake Bioscience Co (SHSE:600866) 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
Star Lake Bioscience Co had a gross margin of 7.65% 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.
Star Lake Bioscience Co Gross Margin % Related Terms
Star Lake Bioscience Co Gross Margin % Historical Data
* 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.
SHSE:600866 vs VRTX, REGN, ALNY: Gross Margin % Comparison
For the Biotechnology subindustry, Star Lake Bioscience 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.
Star Lake Bioscience Co Gross Margin % vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Star Lake Bioscience Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Star Lake Bioscience 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.
Star Lake Bioscience Co (SHSE:600866) has a Gross Margin % of 7.65% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Star Lake Bioscience Co and its competitors. This is 59% below median its historical median of 18.49. Over the past decade, Star Lake Bioscience Co's Gross Margin % has ranged from 12.86 to 35.09. According to the industry distribution chart, Star Lake Bioscience Co ranks #651 out of 732 companies in the Biotechnology industry, placing it in the top 88.9%.
Is Star Lake Bioscience Co's Gross Margin % too high?
Star Lake Bioscience Co's current Gross Margin % of 7.65% is 59% below median its 10-year median of 18.49. Over the past 10 years, this metric has ranged from a low of 12.86 to a high of 35.09. The Biotechnology industry median Gross Margin % is 60.91. Star Lake Bioscience Co's value of 7.65% is 87.4% below this industry median. Based on the distribution chart, Star Lake Bioscience Co ranks #651 out of 732 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Star Lake Bioscience Co has a GF Score™ of 70/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Star Lake Bioscience Co's Gross Margin % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Star Lake Bioscience Co ranks #651 out of 732 companies for Gross Margin %. This places Star Lake Bioscience Co in the lower half of its industry. The industry median Gross Margin % is 60.91. Star Lake Bioscience Co's value of 7.65% is 87.4% below this benchmark. Historically, Star Lake Bioscience Co's own Gross Margin % has ranged from 12.86 to 35.09 over the past decade. While the company's 10-year median is 18.49 vs. the industry median of 60.91, Star Lake Bioscience 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 Biotechnology company?
The median Gross Margin % among Biotechnology companies is 60.91, based on 732 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. Star Lake Bioscience Co's current Gross Margin % of 7.65% is 87.4% 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 Star Lake Bioscience Co and its competitors. For the Biotechnology industry, the median Gross Margin % is 60.91 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Star Lake Bioscience Co's current Gross Margin % is 7.65%, which is 59% below median its own 10-year median of 18.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Star Lake Bioscience Co stock overvalued right now?
Based on GuruFocus' analysis, Star Lake Bioscience Co (SHSE:600866) is currently considered Modestly Undervalued. The stock's GF Value™ is ¥5.86, compared to a current price of ¥5.01 — trading 14.5% below its estimated fair value. The current Gross Margin % is 7.65%, which is 59% below median its 10-year median of 18.49 and 87.4% below the Biotechnology industry median of 60.91. Star Lake Bioscience Co's overall GF Score™ is 70/100 with 7 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 Star Lake Bioscience Co (SHSE:600866), the current Gross Margin % is 7.65% 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 Star Lake Bioscience Co (SHSE:600866) Overvalued in 2026?
Based on GuruFocus' analysis, Star Lake Bioscience Co stock appears to be undervalued.
The current stock price of ¥5.01 is trading 14.5% below its estimated GF Value™ of ¥5.86.
GuruFocus considers Star Lake Bioscience Co to be Modestly Undervalued.
Key valuation signals for SHSE:600866:
Gross Margin %: 7.65% (59% below median its 10-year median of 18.49)
GF Value™: ¥5.86 vs. price of ¥5.01 (14.5% below fair value)
Industry Position: 87.4% below the Biotechnology median (#651 of 732)
No single metric tells the full story. See the SHSE:600866 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Star Lake Bioscience Co Inc is a China-based Pharmaceutical manufacturer. The company is mainly engaged in the research, development, production, and sales of chemical raw materials and pharmaceutical intermediates. Products offered by the company include proline, guanosine, adenosine, adenine, adefovir dipivoxil, memantine hydrochloride, Proline, threonine, lysine, among others. Its products are used in food processing, feed processing, and pharmaceutical manufacturing. Star Lake sells its products through direct sales and distributors in China and overseas markets.
70GF Score
Get the complete analysis for SHSE:600866
Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
SHSE:600866 has been successfully added to your 
