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Compare · ADN vs JCI

ADN vs JCI

Side-by-side comparison of Advent Technologies Holdings Inc. (ADN) and Johnson Controls International plc (JCI): market cap, price performance, sector, and recent activity on the wire.

Summary

  • ADN operates in Miscellaneous, while JCI operates in Industrials - the two are in different parts of the market.
  • JCI is the larger of the two at $86.61B, about 1059.5x ADN ($81.8M).
  • Over the past year, ADN is down 79.4% and JCI is up 34.4% - JCI leads by 113.8 points.
  • JCI has hit the wire 4 times in the past 4 weeks while ADN has been quiet.
  • JCI has more recent analyst coverage (25 ratings vs 0 for ADN).
PerformanceADN-79.41%JCI-0.37%
2025-08-25+0.00%2025-10-29
MetricADNJCI
Company
Advent Technologies Holdings Inc.
Johnson Controls International plc
Price
$0.91-66.30%
$143.03-0.10%
Market cap
$81.8M
$86.61B
1M return
-72.84%
-0.26%
1Y return
-79.41%
+34.41%
Industry
Industrial Machinery/Components
Industrial Machinery/Components
Exchange
NASDAQ
NYSE
IPO
2018
News (4w)
0
4
Recent ratings
0
25
ADN

Advent Technologies Holdings Inc.

Advent Technologies Holdings, Inc., an advanced materials and technology development company, operates in the fuel cell and hydrogen technology markets. It develops, manufactures, and assembles the critical components that determine the performance of hydrogen fuel cells and other energy systems. The company offers HT-PEM (high-temperature proton exchange membrane) fuel cells, HT-PEM based membrane electrode assemblies, flow battery membranes, organic photovoltaics, and ultracells. It serves stationary power, portable power, automotive, aviation, energy storage, and sensor markets. The company was founded in 2006 and is headquartered in Boston, Massachusetts.

JCI

Johnson Controls International plc

Johnson Controls International plc operates as a diversified technology and multi industrial company worldwide. It operates through Building Solutions North America, Building Solutions EMEA/LA, Building Solutions Asia Pacific, and Global Products segments. The company designs, sells, installs, and services heating, ventilating, air conditioning, controls, refrigeration, integrated electronic security, and integrated fire detection and suppression systems for commercial, industrial, retail, small business, institutional, and governmental customers; and energy efficiency solutions and technical services, including inspection, scheduled maintenance, and repair and replacement of mechanical and control systems, as well as data-driven smart building solutions to non-residential building and industrial applications. It also designs and produces heating and air conditioning for residential and commercial applications; and markets products and refrigeration systems to replacement and new construction market; and designs, manufactures, and sells fire protection and security products, including intrusion security, anti-theft devices, and access control and video management systems for commercial, industrial, retail, residential, small business, institutional, and governmental customers. The company was formerly known as Johnson Controls, Inc. and changed its name to Johnson Controls International plc in September 2016. Johnson Controls International plc was founded in 1885 and is headquartered in Cork, Ireland.

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