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Side-by-side financial comparison of Fusion Fuel Green PLC (HTOO) and MERCURY SYSTEMS INC (MRCY). Click either name above to swap in a different company.

Pulsar Fusion is a UK-based start-up that has demonstrated two designs of prototype rocket engine. It is headquartered in Bletchley, United Kingdom.

Mercury Systems, Inc. is a technology company serving the aerospace and defense industry. It designs, develops and manufactures open architecture computer hardware and software products, including secure embedded processing modules and subsystems, avionics mission computers and displays, rugged secure computer servers, and trusted microelectronics components, modules and subsystems.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
HTOO
HTOO
MRCY
MRCY
Q4 25
$232.9M
Q3 25
$225.2M
Q2 25
$273.1M
Q1 25
$211.4M
Q4 24
$223.1M
Q3 24
$204.4M
Q2 24
$248.6M
Q1 24
$208.3M
Net Profit
HTOO
HTOO
MRCY
MRCY
Q4 25
$-15.1M
Q3 25
$-12.5M
Q2 25
$16.4M
Q1 25
$-19.2M
Q4 24
$-17.6M
Q3 24
$-17.5M
Q2 24
$-10.8M
Q1 24
$-44.6M
Gross Margin
HTOO
HTOO
MRCY
MRCY
Q4 25
26.0%
Q3 25
27.9%
Q2 25
31.0%
Q1 25
27.0%
Q4 24
27.3%
Q3 24
25.3%
Q2 24
29.5%
Q1 24
19.5%
Operating Margin
HTOO
HTOO
MRCY
MRCY
Q4 25
-4.6%
Q3 25
-3.8%
Q2 25
8.6%
Q1 25
-8.2%
Q4 24
-5.6%
Q3 24
-6.6%
Q2 24
-3.2%
Q1 24
-21.9%
Net Margin
HTOO
HTOO
MRCY
MRCY
Q4 25
-6.5%
Q3 25
-5.6%
Q2 25
6.0%
Q1 25
-9.1%
Q4 24
-7.9%
Q3 24
-8.6%
Q2 24
-4.3%
Q1 24
-21.4%
EPS (diluted)
HTOO
HTOO
MRCY
MRCY
Q4 25
$-0.26
Q3 25
$-0.21
Q2 25
$0.28
Q1 25
$-0.33
Q4 24
$-0.30
Q3 24
$-0.30
Q2 24
$-0.18
Q1 24
$-0.77

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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