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Companies $ADNH
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Advent Technologies Holdings Inc logo

Advent Technologies Holdings Inc

advent.energy

What Do They Do?

Develops and sells fuel-cell systems and membrane electrode assemblies for equipment makers serving stationary power, portable power and heavy-duty mobility markets.

How Do They Make Money?

Advent earns money from fuel-cell goods and development and other service work for equipment makers; goods are sold as products, while much of the service work is carried out over time.

revenue
SegmentShareRevenue
Sales of Goods
Sold outright
6.1%
FY2021: 95%
Service
Recurring

94%
FY2021: 5.3%

Who Are Their Customers?

OEMs work with Advent through joint development and technology-assessment agreements; its systems serve telecom towers, critical infrastructure and defense applications.

Do Revenues Turn Into Profits?

No. It lost $41M in FY2024.

Operating income, FY2024
−561% of revenue
▼ −64% (Loss) vs FY2023 (−$50.7M, −3302%)
Net income, FY2024
−1251% of revenue
▼ −43% (Loss) vs FY2023 (−$71.4M, −4648%)

How Are They Changing?

Since the FY2024 annual report
Latest quarter: Q3 FY2025, the three months to Sep 30, 2025
Revenue
▼ −52%
vs $128K in Q3 FY2024
Net income
▲ Now profitable
vs −$18.5M in Q3 FY2024
Service share of revenue, net
  • Jul 22, 2026 Common stock moved to the OTC Expert Market on an unsolicited-quotes-only basis The OTC Markets Group notified Advent of the move.
  • Oct 29, 2025 Nasdaq began delisting proceedings and suspended trading in the securities The common stock was expected to continue trading on the OTC market.

Growing. Revenue grew 4.5x in 4 years, from $731.9K in FY2020 to $3.3M in FY2024, about 45% a year.

From plans to OEM projects The earlier report described mobility as a market Advent planned to enter; the latest report describes joint development agreements and technology assessments with aerospace and automotive companies.

Revenue over time
Sales of Goods Service
$10M$5M$0

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