AirJoule Technologies Corporation (AIRJ) vs Deep Fission, Inc. (FISN)

A side-by-side comparison of AirJoule Technologies Corporation and Deep Fission, 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.

AIRJ

AirJoule Technologies Corporation

$276M

$3.81IndustrialsDelayed quote: Oct 6, 2026, 10:45 AM EDT

FISN

Deep Fission, Inc.

$335M

$5.55IndustrialsDelayed quote: Oct 6, 2026, 10:44 AM EDT

Total return — AIRJ vs FISN

growth of $100 · dividends reinvested · last 1y

AIRJ -22.1% (-22.1%/yr)FISN -63.0% (-63.0%/yr)AIRJ compounded faster over this window

AIRJ FISN

AIRJ vs FISN: by the numbers

•FISN is the larger company ($335M vs $276M market cap).

Metrics side by side

Valuation

Metric	AIRJ	FISN
P/B ratio	1.11	3.39

Profitability

Metric	AIRJ	FISN
Gross margin	0.00%	0.00%
Operating margin	0.00%	0.00%
Net margin	0.00%	0.00%
ROE	-34.10%	-107.56%
ROIC	-4.58%	-72.19%

Go deeper

Full AIRJ analysis Full FISN analysis Interactive comparison tool

Dig into the metrics

AirJoule Technologies ROE Deep Fission ROE AirJoule Technologies operating margin Deep Fission operating margin AirJoule Technologies revenue growth Deep Fission revenue growth AirJoule Technologies free cash flow Deep Fission free cash flow

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.