Which has grown faster, ASPI or JBI?

Over the past five years, JBI grew revenue faster — ASPI at a 0.88% CAGR versus JBI at 7.89%.

Is ASPI or JBI more profitable?

JBI runs the higher net margin — ASPI at -428.00% versus JBI at 3.68%.

ASP Isotopes Inc. Common Stock (ASPI) vs Janus International Group, Inc. (JBI)

A side-by-side comparison of ASP Isotopes Inc. Common Stock and Janus International Group, 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.

ASPI

ASP Isotopes Inc. Common Stock

$369M

$2.93Basic MaterialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

JBI

Janus International Group, Inc.

$592M

$4.34Basic MaterialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — ASPI vs JBI

growth of $100 · dividends reinvested · last 4y

ASPI +9.7% (+2.4%/yr)JBI -56.7% (-18.9%/yr)ASPI compounded faster over this window

ASPI JBI

ASPI vs JBI: by the numbers

•JBI is the larger company ($592M vs $369M market cap).
•JBI is profitable (3.68% net margin) while ASPI runs a net loss (-428.00%).
•JBI grew revenue faster over the past five years (7.89% vs 0.88% CAGR).

Metrics side by side

Valuation

Metric	ASPI	JBI
P/E ratio	N/A	17.90
Forward P/E	N/A	7.85
P/S ratio	11.96	0.66
P/B ratio	1.39	1.03
EV / EBITDA	N/A	2.46
FCF yield	N/A	13.75%

Profitability

Metric	ASPI	JBI
Gross margin	18.32%	34.82%
Operating margin	-239.80%	9.69%
Net margin	-428.00%	3.68%
ROE	-49.89%	5.80%
ROIC	-17.29%	4.92%

Growth (annualized)

Metric	ASPI	JBI
Revenue CAGR (5Y)	0.88%	7.89%
EPS CAGR (5Y)	N/A	-1.98%
FCF CAGR (5Y)	N/A	4.40%
Total return CAGR (5Y)	N/A	-18.56%

Frequently asked

Which has grown faster, ASPI or JBI?: Over the past five years, JBI grew revenue faster — ASPI at a 0.88% CAGR versus JBI at 7.89%.
Is ASPI or JBI more profitable?: JBI runs the higher net margin — ASPI at -428.00% versus JBI at 3.68%.

Go deeper

Full ASPI analysis Full JBI analysis Interactive comparison tool

Dig into the metrics

Janus International P/E ratio ASP Isotopes Inc. Common Stock ROE Janus International ROE ASP Isotopes Inc. Common Stock operating margin Janus International operating margin ASP Isotopes Inc. Common Stock revenue growth Janus International revenue growth ASP Isotopes Inc. Common Stock free cash flow Janus International free cash flow

ASP Isotopes Inc. Common Stock & Janus International appear in these rankings

Highest FCF Yield 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.