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Advent Technologies Holdings Inc

advent.energy

Advent Technologies Holdings (NASDAQ: ADNH) is an advanced materials and technology development company that develops, manufactures, and assembles components for hydrogen fuel cells and energy systems. Revenue comes primarily from the sale and servicing of complete fuel cell systems and Membrane Electrode Assemblies (MEAs), plus the sale of membranes and electrodes, with contract liabilities of $3.2 million and recognized revenues of $0.1 million for each of FY2024 and FY2023. The company operates in the alternative fuel and energy storage market, where its High-Temperature Proton Exchange Membrane (HT-PEM) technology competes against battery systems, Low-Temperature PEM products, and diesel generator sets. Advent carries a going-concern qualification as of its FY2024 filing, with recurring operating losses, negative working capital, and material weaknesses in internal controls over financial reporting as of December 31, 2024. Headquarters are in Livermore, California, with MEA fabrication and system production facilities in Livermore, California and Patras, Greece.

Products & Services

Core products include full fuel cell systems and Membrane Electrode Assemblies (MEAs) built around HT-PEM technology. Additional products and target applications include Combined Heat and Power (CHP) systems for commercial and residential buildings, portable clean power solutions integrating batteries and fuel cells for construction sites and EV charging, off-grid and backup power systems for telecommunications providers, and fuel cell range-extenders for heavy-duty automotive and commercial vehicles. The legacy SereneU product had shipped approximately 1,200 systems worldwide before being discontinued.

Revenue Model

Transactional revenue from sales of complete fuel cell systems, MEAs, membranes, and electrodes, plus servicing fees. The company also recognizes contract liabilities when customer payments are received in advance of performance obligations. FY2024 recognized revenues were $0.1 million, with $3.2 million in contract liabilities as of December 31, 2024.

Customers & Markets

End markets served include stationary power, portable power, automotive, aviation, energy storage, and sensor markets. Telecommunications providers have been customers for backup power systems. The filing does not disclose named customers or customer concentration percentages.

Geographic Exposure

Headquarters and primary U.S. operations in Livermore, California. MEA fabrication and system production also in Patras, Greece. The filing references prior shipments of approximately 1,200 systems worldwide but does not break out revenue by geography.

Financial Snapshot

Revenue
TTM
$293.0K
Gross Margin
TTM
-345.72%
Net Income
TTM
$1.554M
Current Assets
2025 Q3
Current Liabilities
2025 Q3
Current Ratio
2025 Q3
10.06%
Total Assets
2025 Q3
Total Liabilities
2025 Q3
Book Value
2025 Q3
-$17.78M
Cash
2025 Q3
P/E
TTM
0.0007317
Free Cash Flow
TTM
-$2.907M

Stock Price

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Market Cap: $1.137 Thousand

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