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Advent Technologies HoldingsADNH 3-Year Share Buyback Ratio is -15.60 as of Sep. 2025. The stock has 6 warning signs investors should review. Among 1,861 Industrial Products companies, Advent Technologies Holdings ranks worse than 91.08% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Advent Technologies Holdings's current 3-Year Share Buyback Ratio was -15.60%.
The historical rank and industry rank for Advent Technologies Holdings's 3-Year Share Buyback Ratio or its related term are showing as below:
ADNH'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -36.1 Med: -18.8 Max: -15.6
Current: -15.6
During the past 6 years, Advent Technologies Holdings's highest 3-Year Share Buyback Ratio was -15.60%. The lowest was -36.10%. And the median was -18.80%.
ADNH's 3-Year Share Buyback Ratio is ranked worse than 91.08% of 1861
companies
in the Industrial Products industry
Industry Median: -1.1
vs ADNH: -15.60
Advent Technologies Holdings (OTCPK:ADNH) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Advent Technologies Holdings 3-Year Share Buyback Ratio Related Terms
ADNH vs LNKS, OZSC, KRFG: 3-Year Share Buyback Ratio Comparison
For the Electrical Equipment & Parts subindustry, Advent Technologies Holdings's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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.
Advent Technologies Holdings 3-Year Share Buyback Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Advent Technologies Holdings's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Advent Technologies Holdings's 3-Year Share Buyback Ratio falls into.
Advent Technologies Holdings 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of -15.60 mean?
Advent Technologies Holdings (ADNH) has a 3-Year Share Buyback Ratio of -15.60 as of Sep. 2025. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Advent Technologies Holdings and its competitors. According to the industry distribution chart, Advent Technologies Holdings ranks #1695 out of 1861 companies in the Industrial Products industry, placing it in the top 91.1%.
Is Advent Technologies Holdings' 3-Year Share Buyback Ratio too high?
Advent Technologies Holdings' current 3-Year Share Buyback Ratio is -15.60. Based on the distribution chart, Advent Technologies Holdings ranks #1695 out of 1861 companies in the Industrial Products industry, which is in the bottom quartile relative to peers.
How does Advent Technologies Holdings' 3-Year Share Buyback Ratio compare to LNKS and OZSC?
According to the Industrial Products industry distribution chart, Advent Technologies Holdings ranks #1695 out of 1861 companies for 3-Year Share Buyback Ratio. This places Advent Technologies Holdings in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for an Industrial Products company?
A good 3-Year Share Buyback Ratio depends on the Industrial Products industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Advent Technologies Holdings and its competitors. Advent Technologies Holdings's current 3-Year Share Buyback Ratio is -15.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advent Technologies Holdings stock overvalued right now?
Based on GuruFocus' analysis, Advent Technologies Holdings (ADNH) is currently considered Possible Value Trap. The stock's GF Value™ is $0.06, compared to a current price of $0.00 — trading 99.5% below its estimated fair value. The current 3-Year Share Buyback Ratio is -15.60. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Advent Technologies Holdings (ADNH), the current 3-Year Share Buyback Ratio is -15.60 as of Sep. 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.
Advent Technologies Holdings Inc is an innovation-driven company in the fuel cell and hydrogen technology space, including liquid hydrogen carriers such as methanol. The company develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. It serves automotive; aviation and power generation industries. It generates revenue from the sale of fuel cell systems and the sale of MEAs, membranes, and electrodes for specific applications in the fuel cell and energy storage (flow battery) markets.
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