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LandMark OptoelectronicsROCO:3081 +9.76%66 Gross Margin % is 54.76% as of Mar. 2026, which is 21% above its 10-year median of 45.40. GuruFocus rates ROCO:3081 with a GF Score™ of 66/100 and a GF Value™ of NT$754.75 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,010 Semiconductors companies, LandMark Optoelectronics ranks better than 80.89% on this metric.
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
LandMark Optoelectronics had a gross margin of 54.76% for the quarter that ended in Mar. 2026 => Durable 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.
LandMark Optoelectronics Gross Margin % Related Terms
LandMark Optoelectronics 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.
ROCO:3081 vs AMAT, LRCX, KLAC: Gross Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, LandMark Optoelectronics'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.
LandMark Optoelectronics Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, LandMark Optoelectronics's Gross Margin % distribution charts can be found below:
* The bar in red indicates where LandMark Optoelectronics'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.
LandMark Optoelectronics (ROCO:3081) has a Gross Margin % of 54.76% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on LandMark Optoelectronics and its competitors. This is 21% above median its historical median of 45.40. Over the past decade, LandMark Optoelectronics' Gross Margin % has ranged from 13.08 to 59.64. According to the industry distribution chart, LandMark Optoelectronics ranks #193 out of 1010 companies in the Semiconductors industry, placing it in the top 19.1%.
Is LandMark Optoelectronics' Gross Margin % too high?
LandMark Optoelectronics' current Gross Margin % of 54.76% is 21% above median its 10-year median of 45.40. Over the past 10 years, this metric has ranged from a low of 13.08 to a high of 59.64. The Semiconductors industry median Gross Margin % is 29.61. LandMark Optoelectronics' value of 54.76% is 84.9% above this industry median. Based on the distribution chart, LandMark Optoelectronics ranks #193 out of 1010 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, LandMark Optoelectronics has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does LandMark Optoelectronics' Gross Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, LandMark Optoelectronics ranks #193 out of 1010 companies for Gross Margin %. This places LandMark Optoelectronics in the top 19% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 29.61. LandMark Optoelectronics' value of 54.76% is 84.9% above this benchmark. Historically, LandMark Optoelectronics' own Gross Margin % has ranged from 13.08 to 59.64 over the past decade. While the company's 10-year median is 45.40 vs. the industry median of 29.61, LandMark Optoelectronics 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 Gross Margin % for a Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,010 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. LandMark Optoelectronics's current Gross Margin % of 54.76% is 84.9% 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 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 LandMark Optoelectronics and its competitors. For the Semiconductors industry, the median Gross Margin % is 29.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. LandMark Optoelectronics's current Gross Margin % is 54.76%, which is 21% above median its own 10-year median of 45.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LandMark Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, LandMark Optoelectronics (ROCO:3081) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$754.75, compared to a current price of NT$1,630.00 — trading 116% above its estimated fair value. The current Gross Margin % is 54.76%, which is 21% above median its 10-year median of 45.40 and 84.9% above the Semiconductors industry median of 29.61. LandMark Optoelectronics' overall GF Score™ is 66/100 with 3 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 LandMark Optoelectronics (ROCO:3081), the current Gross Margin % is 54.76% 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 LandMark Optoelectronics (ROCO:3081) Overvalued in 2026?
Based on GuruFocus' analysis, LandMark Optoelectronics stock appears to be overvalued.
The current stock price of NT$1,630.00 is trading 116% above its estimated GF Value™ of NT$754.75.
GuruFocus considers LandMark Optoelectronics to be Significantly Overvalued.
Key valuation signals for ROCO:3081:
Gross Margin %: 54.76% (21% above median its 10-year median of 45.40)
GF Value™: NT$754.75 vs. price of NT$1,630.00 (116% above fair value)
Industry Position: 84.9% above the Semiconductors median (#193 of 1010)
No single metric tells the full story. See the ROCO:3081 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
LandMark Optoelectronics Corp is active in the semiconductor industry as an epi-wafer supplier. It is engaged in the manufacturing, processing, and selling of optical semiconductors, laser diodes, and high brightness InAlGaP/AlGalnAs. The company operates in a single reportable segment, which is single product manufacturing and selling of wafers. Some of its products are DFB Epiwafer, EML Epiwafer, APD Epiwafer, FP Epiwafer, and PIN PD Epiwafer. Its geographical segments are United States, Mainland China, Taiwan, and others.
66GF Score
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