Which has grown faster, ASPI or HDSN?

Over the past five years, HDSN grew revenue faster — ASPI at a 0.88% CAGR versus HDSN at 10.23%.

Is ASPI or HDSN more profitable?

HDSN runs the higher net margin — ASPI at -428.00% versus HDSN at 3.51%.

ASP Isotopes Inc. Common Stock (ASPI) vs Hudson Technologies, Inc. (HDSN)

A side-by-side comparison of ASP Isotopes Inc. Common Stock and Hudson Technologies, 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

$368M

$2.92Basic MaterialsDelayed quote: Oct 6, 2026, 10:35 AM EDT

HDSN

Hudson Technologies, Inc.

$221M

$5.25Basic MaterialsDelayed quote: Oct 6, 2026, 10:34 AM EDT

Total return — ASPI vs HDSN

growth of $100 · dividends reinvested · last 4y

ASPI +9.7% (+2.4%/yr)HDSN -48.3% (-15.2%/yr)ASPI compounded faster over this window

ASPI HDSN

ASPI vs HDSN: by the numbers

•ASPI is the larger company ($368M vs $221M market cap).
•HDSN is profitable (3.51% net margin) while ASPI runs a net loss (-428.00%).
•HDSN grew revenue faster over the past five years (10.23% vs 0.88% CAGR).

Metrics side by side

Valuation

Metric	ASPI	HDSN
P/E ratio	N/A	26.54
Forward P/E	N/A	28.38
P/S ratio	11.92	0.86
P/B ratio	1.39	0.91
EV / EBITDA	N/A	11.09

Profitability

Metric	ASPI	HDSN
Gross margin	18.32%	23.26%
Operating margin	-239.80%	4.52%
Net margin	-428.00%	3.51%
ROE	-49.89%	3.71%
ROIC	-17.29%	2.79%

Growth (annualized)

Metric	ASPI	HDSN
Revenue CAGR (5Y)	0.88%	10.23%
Total return CAGR (5Y)	N/A	9.34%

Frequently asked

Which has grown faster, ASPI or HDSN?: Over the past five years, HDSN grew revenue faster — ASPI at a 0.88% CAGR versus HDSN at 10.23%.
Is ASPI or HDSN more profitable?: HDSN runs the higher net margin — ASPI at -428.00% versus HDSN at 3.51%.

Go deeper

Full ASPI analysis Full HDSN analysis Interactive comparison tool

Dig into the metrics

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