Is FISN or GASS more profitable?

GASS runs the higher net margin — FISN at 0.00% versus GASS at 34.97%.

Deep Fission, Inc. (FISN) vs StealthGas Inc. (GASS)

A side-by-side comparison of Deep Fission, Inc. and StealthGas Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

FISN

Deep Fission, Inc.

$324M

$5.38IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

GASS

StealthGas Inc.

$340M

$9.14IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — FISN vs GASS

growth of $100 · dividends reinvested · last 1y

FISN -63.0% (-63.0%/yr)GASS -5.3% (-5.3%/yr)GASS compounded faster over this window

FISN GASS

FISN vs GASS: by the numbers

•GASS is the larger company ($340M vs $324M market cap).
•GASS is profitable (34.97% net margin) while FISN runs a net loss (0.00%).

Metrics side by side

Valuation

Metric	FISN	GASS
P/E ratio	N/A	5.61
Forward P/E	N/A	5.41
PEG ratio	N/A	0.14
P/S ratio	N/A	2.00
P/B ratio	3.28	0.47
EV / EBITDA	N/A	3.40
FCF yield	N/A	20.80%

Profitability

Metric	FISN	GASS
Gross margin	0.00%	35.21%
Operating margin	0.00%	27.89%
Net margin	0.00%	34.97%
ROE	-107.56%	8.16%
ROIC	-72.19%	6.51%

Growth (annualized)

Metric	FISN	GASS
Revenue CAGR (5Y)	N/A	2.35%
EPS CAGR (5Y)	N/A	40.39%
Total return CAGR (5Y)	N/A	27.16%

Frequently asked

Is FISN or GASS more profitable?: GASS runs the higher net margin — FISN at 0.00% versus GASS at 34.97%.

Go deeper

Full FISN analysis Full GASS analysis Interactive comparison tool

Dig into the metrics

StealthGas P/E ratio Deep Fission ROE StealthGas ROE Deep Fission operating margin StealthGas operating margin Deep Fission revenue growth StealthGas revenue growth Deep Fission free cash flow StealthGas free cash flow

Deep Fission & StealthGas appear in these rankings

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Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.