ADNH (Advent Technologies Holdings) Return-on-Tangible-Equity: Negative Tangible Equity% (As of Sep. 2025)

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.

What is Advent Technologies Holdings Return-on-Tangible-Equity?

Advent Technologies Holdings ADNH Return-on-Tangible-Equity is Negative Tangible Equity% as of Sep. 2025. The stock has 6 warning signs investors should review. Among 2,973 Industrial Products companies, Advent Technologies Holdings ranks worse than 33636.02% on this metric.

Return-on-Tangible-Equity is calculated as Net Income divided by its average total shareholder tangible equity. Total shareholder tangible equity equals to Total Stockholders Equity minus Intangible Assets. Advent Technologies Holdings's annualized net income for the quarter that ended in Sep. 2025 was $34.50 Mil. Advent Technologies Holdings's average shareholder tangible equity for the quarter that ended in Sep. 2025 was $-23.70 Mil. Therefore, Advent Technologies Holdings's annualized Return-on-Tangible-Equity for the quarter that ended in Sep. 2025 was Negative Tangible Equity%.

The historical rank and industry rank for Advent Technologies Holdings's Return-on-Tangible-Equity or its related term are showing as below:

During the past 6 years, Advent Technologies Holdings's highest Return-on-Tangible-Equity was 57.46%. The lowest was -217.30%. And the median was -115.10%.

ADNH's Return-on-Tangible-Equity is not ranked *
in the Industrial Products industry.
Industry Median: 6.76
* Ranked among companies with meaningful Return-on-Tangible-Equity only.

Advent Technologies Holdings  (OTCPK:ADNH) Return-on-Tangible-Equity Explanation

Return-on-Tangible-Equity measures the rate of return on the ownership interest (shareholder's tangible equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' tangible equity (shareholders equity minus intangibles). Return-on-Tangible-Equity shows how well a company uses investment funds to generate earnings growth. Return-on-Tangible-Equitys between 15% and 20% are considered desirable.


Be Aware

Net Income is used.

Because a company can increase its Return-on-Tangible-Equity by having more financial leverage, it is important to watch the leverage ratio when investing in high Return-on-Tangible-Equity companies. Like Return-on-Tangible-Asset, Return-on-Tangible-Equity is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.

Asset light businesses require very few assets to generate very high earnings. Their Return-on-Tangible-Equitys can be extremely high.


Advent Technologies Holdings Return-on-Tangible-Equity Related Terms


Advent Technologies Holdings Return-on-Tangible-Equity Historical Data

* Premium members only.

The historical data trend for Advent Technologies Holdings's Return-on-Tangible-Equity 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.

Advent Technologies Holdings Return-on-Tangible-Equity Chart

Advent Technologies Holdings Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Return-on-Tangible-Equity
Get a 7-Day Free Trial -194.64 -54.70 -115.10 -217.30 0.00

Advent Technologies Holdings Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25
Return-on-Tangible-Equity Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 Negative Tangible Equity

ADNH vs LNKS, OZSC, KRFG: Return-on-Tangible-Equity Comparison

For the Electrical Equipment & Parts subindustry, Advent Technologies Holdings's Return-on-Tangible-Equity, along with its competitors' market caps and Return-on-Tangible-Equity 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 Return-on-Tangible-Equity vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Advent Technologies Holdings's Return-on-Tangible-Equity distribution charts can be found below:

* The bar in red indicates where Advent Technologies Holdings's Return-on-Tangible-Equity falls into.



Advent Technologies Holdings Return-on-Tangible-Equity Calculation

Advent Technologies Holdings's annualized Return-on-Tangible-Equity for the fiscal year that ended in Dec. 2024 is calculated as

Return-on-Tangible-Equity=Net Income/( (Total Tangible Equity+Total Tangible Equity)/ count )
(A: Dec. 2024 )  (A: Dec. 2023 )(A: Dec. 2024 )
=Net Income/( (Total Stockholders Equity - Intangible Assets+Total Stockholders Equity - Intangible Assets )/ count )
(A: Dec. 2024 )  (A: Dec. 2023 )(A: Dec. 2024 )
=-40.994/( (13.369+-21.38 )/ 2 )
=-40.994/-4.0055
=N/A %

Advent Technologies Holdings's annualized Return-on-Tangible-Equity for the quarter that ended in Sep. 2025 is calculated as

Return-on-Tangible-Equity=Net Income/( (Total Tangible Equity+Total Tangible Equity)/ count )
(Q: Sep. 2025 )  (Q: Jun. 2025 )(Q: Sep. 2025 )
=Net Income/( (Total Stockholders Equity - Intangible Assets+Total Stockholders Equity - Intangible Assets)/ count )
(Q: Sep. 2025 )  (Q: Jun. 2025 )(Q: Sep. 2025 )
=34.5/( (-29.521+-17.875)/ 2 )
=34.5/-23.698
=Negative Tangible Equity %

* 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.

In the calculation of annual Return-on-Tangible-Equity, the net income of the last fiscal year and the average total shareholder tangible equity over the fiscal year are used. In calculating the quarterly data, the net income data used here is four times the quarterly (Sep. 2025) net income data. Return-on-Tangible-Equity is displayed in the 10-year financial page.

What does a Return-on-Tangible-Equity of Negative Tangible Equity% mean?
Advent Technologies Holdings (ADNH) has a Return-on-Tangible-Equity of Negative Tangible Equity% as of Sep. 2025. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Advent Technologies Holdings and its competitors. According to the industry distribution chart, Advent Technologies Holdings ranks #999999 out of 2973 companies in the Industrial Products industry.
Is Advent Technologies Holdings' Return-on-Tangible-Equity too high?
Advent Technologies Holdings' current Return-on-Tangible-Equity is Negative Tangible Equity%. Based on the distribution chart, Advent Technologies Holdings ranks #999999 out of 2973 companies in the Industrial Products industry, which is in the bottom quartile relative to peers.
How does Advent Technologies Holdings' Return-on-Tangible-Equity compare to LNKS and OZSC?
According to the Industrial Products industry distribution chart, Advent Technologies Holdings ranks #999999 out of 2973 companies for Return-on-Tangible-Equity. This places Advent Technologies Holdings in the lower half of its industry. The industry median Return-on-Tangible-Equity is 6.76. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Return-on-Tangible-Equity for an Industrial Products company?
The median Return-on-Tangible-Equity among Industrial Products companies is 6.76, based on 2,973 companies in the industry. Companies in the top quartile (top 25%) have a Return-on-Tangible-Equity significantly above this median, while those in the bottom quartile fall well below. However, Return-on-Tangible-Equity 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 Return-on-Tangible-Equity mean?
A high Return-on-Tangible-Equity can signal that a stock is expensive relative to its fundamentals. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Advent Technologies Holdings and its competitors. For the Industrial Products industry, the median Return-on-Tangible-Equity is 6.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Advent Technologies Holdings's current Return-on-Tangible-Equity is Negative Tangible Equity%. 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 Return-on-Tangible-Equity is Negative Tangible Equity%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Return-on-Tangible-Equity calculated?
Return-on-Tangible-Equity is calculated from a company's financial statements. For Advent Technologies Holdings (ADNH), the current Return-on-Tangible-Equity is Negative Tangible Equity% 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 Business Description

Address 5637 La Ribera Street, Suite A, Livermore, CA, USA, 94550
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.