Which has grown faster, ACFN or AIRG?

Over the past five years, ACFN grew revenue faster — ACFN at a 8.27% CAGR versus AIRG at 1.32%.

Is ACFN or AIRG more profitable?

ACFN runs the higher net margin — ACFN at 16.12% versus AIRG at -13.65%.

How have ACFN and AIRG total returns compared?

Over the past 10 years, ACFN delivered 19.32% and AIRG delivered -11.16% annualized total return. Past performance doesn't predict future results.

Acorn Energy, Inc. (ACFN) vs Airgain, Inc. (AIRG)

A side-by-side comparison of Acorn Energy, Inc. and Airgain, 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.

ACFN

Acorn Energy, Inc.

$47M

$18.72TechnologyDelayed quote: Oct 5, 2026, 4:00 PM EDT

AIRG

Airgain, Inc.

$53M

$4.20TechnologyDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — ACFN vs AIRG

growth of $100 · dividends reinvested · last 10y

ACFN +485.0% (+19.3%/yr)AIRG -69.9% (-11.3%/yr)ACFN compounded faster over this window

Log scale — wide-divergence pair

ACFN AIRG

ACFN vs AIRG: by the numbers

•AIRG is the larger company ($53M vs $47M market cap).
•ACFN is profitable (16.12% net margin) while AIRG runs a net loss (-13.65%).
•ACFN grew revenue faster over the past five years (8.27% vs 1.32% CAGR).

Metrics side by side

Valuation

Metric	ACFN	AIRG
P/E ratio	30.79	N/A
Forward P/E	N/A	60.00
PEG ratio	0.23	N/A
P/S ratio	4.91	1.04
P/B ratio	5.35	1.82
EV / EBITDA	53.30	N/A
FCF yield	3.06%	N/A

Profitability

Metric	ACFN	AIRG
Gross margin	80.29%	43.44%
Operating margin	17.33%	-13.99%
Net margin	16.12%	-13.65%
ROE	17.59%	-23.91%
ROIC	6.66%	-21.73%

Growth (annualized)

Metric	ACFN	AIRG
Revenue CAGR (5Y)	8.27%	1.32%
EPS CAGR (5Y)	136.36%	N/A
FCF CAGR (5Y)	27.76%	N/A
Total return CAGR (5Y)	14.29%	-19.27%

Frequently asked

Which has grown faster, ACFN or AIRG?: Over the past five years, ACFN grew revenue faster — ACFN at a 8.27% CAGR versus AIRG at 1.32%.
Is ACFN or AIRG more profitable?: ACFN runs the higher net margin — ACFN at 16.12% versus AIRG at -13.65%.
How have ACFN and AIRG total returns compared?: Over the past 10 years, ACFN delivered 19.32% and AIRG delivered -11.16% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACFN analysis Full AIRG analysis Interactive comparison tool

Dig into the metrics

Acorn Energy P/E ratio Acorn Energy ROE Airgain ROE Acorn Energy operating margin Airgain operating margin Acorn Energy revenue growth Airgain revenue growth Acorn Energy free cash flow Airgain free cash flow

Acorn Energy & Airgain appear in these rankings

Highest 10-Year Total Return Stocks

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.