Fusion Fuel Green PLC (HTOO) Stock

Fusion Fuel Green PLC (HTOO) is a Industrials stock trading at $2.89 (as of 2026-06-18), with a market capitalization of $6.27M and a trailing P/E of -28.6. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Fusion Fuel Green PLC focuses on the production of hydrogen in Portugal, Southern Europe, and Morocco. The company intends to provide hydrogen generators to clients that operate their own green hydrogen plants; green hydrogen as an output from green hydrogen plants; and operational and monitoring services of green hydrogen plants using fusion fuel hydrogen generators. It serves natural gas networks and grids, ammonia producers, oil refineries, regulators, and related government departments. The company was founded in 2018 and is based in Dublin, Ireland.

Valuation — source: SEC EDGAR (first-party)
Price	$2.89
Market Cap	$6.27M
P/E Ratio	-28.6
EV / EBITDA	-0.6
Price / Book	0.81
Price / Sales	4.08
DCF Value (model)	$-61.55
DCF Upside vs Price	-2229.8%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$1.60M
Net Margin	-855.5%
Return on Equity	-106.2%
Debt / Equity	0.01
Current Ratio	0.41
Revenue Growth (YoY)	-61.3%
EPS Growth (YoY)	-64.6%

Valuation vs Sector & Industry
Stock P/E	-28.6
Sector P/E (Industrials)	29.1
Industry P/E (Machinery)	34.2
vs Sector	-198.3%
vs Industry	-183.7%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	RENAISSANCE TECHNOLOGIES LLC ($17728.00)
Institutional Holders Tracked	10

Company
Sector	Industrials
Industry	Machinery
CEO	John-Paul Backwell
Employees	116
Country	IE
IPO Date	2020-12-10

Related Companies (Business model: Industrials / Capital Goods (Heavy Machinery + Diversified Industrials); 8 closest by market cap; US-domiciled)

Data as of 2026-06-18.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.