Which has grown faster, IOSP or USAR?

Over the past five years, IOSP grew revenue faster — IOSP at a 7.72% CAGR versus USAR at -57.64%.

Does IOSP or USAR pay a bigger dividend?

IOSP pays a dividend (1.83% yield), while USAR has no payments in the available dividend history.

Is IOSP or USAR more profitable?

IOSP runs the higher net margin — IOSP at 6.60% versus USAR at -2159.30%.

Innospec Inc. (IOSP) vs USA Rare Earth Inc (USAR)

A side-by-side comparison of Innospec Inc. and USA Rare Earth 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.

IOSP

Innospec Inc.

$2.43B

$98.47Basic MaterialsDelayed quote: Oct 6, 2026, 2:40 PM EDT

USAR

USA Rare Earth Inc

$1.84B

$13.86Basic MaterialsDelayed quote: Oct 6, 2026, 2:40 PM EDT

Total return — IOSP vs USAR

growth of $100 · dividends reinvested · last 3y

IOSP +4.0% (+1.3%/yr)USAR +35.6% (+10.7%/yr)USAR compounded faster over this window

IOSP USAR

IOSP vs USAR: by the numbers

•IOSP is the larger company ($2.43B vs $1.84B market cap).
•IOSP is profitable (6.60% net margin) while USAR runs a net loss (-2159.30%).
•IOSP grew revenue faster over the past five years (7.72% vs -57.64% CAGR).
•IOSP pays a dividend (1.83% yield), while USAR has no payments in the available dividend history.

Metrics side by side

Valuation

Metric	IOSP	USAR
P/E ratio	20.10	N/A
Forward P/E	19.95	N/A
PEG ratio	0.63	N/A
P/S ratio	1.32	139.62
P/B ratio	1.81	0.72
EV / EBITDA	12.23	N/A
FCF yield	2.68%	N/A

Profitability

Metric	IOSP	USAR
Gross margin	27.46%	-84.66%
Operating margin	8.13%	-3621.61%
Net margin	6.60%	-2159.30%
ROE	9.04%	-11.20%
ROIC	8.64%	-4.24%

Dividends

Metric	IOSP	USAR
Dividend yield	1.83%	N/A
Payout ratio	36.53%	N/A

Growth (annualized)

Metric	IOSP	USAR
Revenue CAGR (5Y)	7.72%	-57.64%
EPS CAGR (5Y)	32.01%	N/A
FCF CAGR (5Y)	-8.41%	N/A
Total return CAGR (5Y)	4.20%	N/A

Frequently asked

Which has grown faster, IOSP or USAR?: Over the past five years, IOSP grew revenue faster — IOSP at a 7.72% CAGR versus USAR at -57.64%.
Does IOSP or USAR pay a bigger dividend?: IOSP pays a dividend (1.83% yield), while USAR has no payments in the available dividend history.
Is IOSP or USAR more profitable?: IOSP runs the higher net margin — IOSP at 6.60% versus USAR at -2159.30%.

Go deeper

Full IOSP analysis Full USAR analysis Interactive comparison tool

Dig into the metrics

Innospec P/E ratio Innospec dividend yield Innospec ROE USA Rare Earth ROE Innospec operating margin USA Rare Earth operating margin Innospec revenue growth USA Rare Earth revenue growth Innospec free cash flow USA Rare Earth 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.