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OTC: ADNH

Advent Technologies Holdings, Inc.

Industrials | Electrical Equipment & Parts
$0.28 -0.01 (-5.17%) as of 2026-07-15 03:57 UTC
Volume5.6K
EPS (TTM)$-15.65

Advent Technologies Holdings, Inc. (OTC: ADNH) is an electrical equipment & parts company trading at $0.28 (−5.2% today). Figures from SEC EDGAR and market feeds; updated 2026-07-15 03:57 UTC.

52-Week Range
Low $0.21High $6.18

What Advent Technologies Holdings, Inc. does

Advent Technologies is an advanced materials and technology company specializing in HT-PEM (High Temperature Proton Exchange Membrane) fuel cell technology for clean power generation. The company develops and manufactures membrane electrode assemblies and fuel cell stacks, which are critical components that determine fuel cell performance and cost.

Summarized from Advent Technologies Holdings, Inc.’s SEC filings · Read the filing ↗

Key facts
Quote
Price$0.28
Change (1D)-0.01 (-5.17%)
Volume5.6K shares
52-week range$0.21 – $6.18
Valuation
EPS (TTM)$-15.65
Return on equity192.51%
Returns
52-week return+31.0%
Revenue, margins & earnings
FY2020: net loss $3M on revenue $731,874$731,874FY2020FY2021: net loss $21M on revenue $7M$7MFY2021FY2022: net loss $74M on revenue $8M$8MFY2022FY2023: net loss $71M on revenue $2M$2MFY2023FY2024: net loss $41M on revenue $3M$3MFY2024
  • Net income
  • Taxes & interest
  • Operating expenses
  • Cost of revenue
  • Net loss year
Annual revenue; bands show net, operating, gross margins · Open in Platform →
SEC Filings SEC EDGAR ↗
Recent Insider Activity
Source: SEC EDGAR · Filed 2024-02-20
No insider filings in the last 24 months. Most recent filed transactions — February 2024:
  • 2024-02-20Hussain NaiemChief Financial OfficerA166,779
  • 2024-02-20Hussain NaiemChief Financial OfficerA166,779
  • 2023-09-08Gregoriou VassiliosCEO, ChairSELL-14,157$7.5K
Sign in to see all transactions →
Top Institutional Holders (latest 13F)
Source: SEC EDGAR · As of 2025-Q3
  • DRW Securities, LLC81,286$270.7KNEW
  • VANGUARD GROUP INC33,349$111.1K0.0%
  • GEODE CAPITAL MANAGEMENT, LLC22,745$75.8K0.0%
View QoQ ownership changes →
Company news View all →
Questions this page answers

What does Advent Technologies Holdings, Inc. do?

Advent Technologies is an advanced materials and technology company specializing in HT-PEM (High Temperature Proton Exchange Membrane) fuel cell technology for clean power generation.

What is ADNH's valuation?

ADNH trades at $0.28, as of 2026-07-15.

When did ADNH last file with the SEC?

Advent Technologies Holdings, Inc.'s most recent SEC filing on record is a 8-K filed 2026-05-15. All filings link to their SEC EDGAR originals above.

Where does this data come from?

SEC EDGAR filings and public market data feeds, fetched 2026-07-15 03:57 UTC. This page is also available as JSON at /api/data?ticker=ADNH and is emitted with FAQPage structured data for machine reading.

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