Aehr Test Systems (AEHR) vs Bel Fuse Inc. (BELFB)

A side-by-side comparison of Aehr Test Systems and Bel Fuse 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.

Compare

Total return — AEHR vs BELFB

growth of $100 · dividends reinvested · last 10y
AEHR +3451.0% (+42.9%/yr)BELFB +1150.0% (+28.7%/yr)AEHR compounded faster over this window
01k2k3kStart $10020182020202220242026$3,551$1,250
AEHR BELFB

AEHR vs BELFB: by the numbers

  • •AEHR is the larger company ($3.23B vs $3.14B market cap).
  • •BELFB is profitable (8.12% net margin) while AEHR runs a net loss (-14.00%).
  • •AEHR grew revenue faster over the past five years (30.24% vs 8.72% CAGR).
  • •BELFB pays a dividend (0.11% yield), while AEHR has no payments in the available dividend history.

Metrics side by side

Valuation

MetricAEHRBELFB
P/E ratioN/A64.88
Forward P/E130.7826.40
PEG ratioN/A1.68
P/S ratio63.514.22
P/B ratio14.733.46
EV / EBITDAN/A19.24
FCF yieldN/A2.33%

Profitability

MetricAEHRBELFB
Gross margin34.67%39.52%
Operating margin-27.80%16.44%
Net margin-14.00%8.12%
ROE-3.25%6.64%
ROIC-6.17%9.24%

Dividends

MetricAEHRBELFB
Dividend yieldN/A0.11%
Payout ratioN/A7.00%

Growth (annualized)

MetricAEHRBELFB
Revenue CAGR (5Y)30.24%8.72%
EPS CAGR (5Y)N/A38.52%
FCF CAGR (5Y)N/A26.79%
Total return CAGR (5Y)50.07%84.87%

Frequently asked

Which has grown faster, AEHR or BELFB?
Over the past five years, AEHR grew revenue faster — AEHR at a 30.24% CAGR versus BELFB at 8.72%.
Does AEHR or BELFB pay a bigger dividend?
BELFB pays a dividend (0.11% yield), while AEHR has no payments in the available dividend history.
Is AEHR or BELFB more profitable?
BELFB runs the higher net margin — AEHR at -14.00% versus BELFB at 8.12%.
How have AEHR and BELFB total returns compared?
Over the past 10 years, AEHR delivered 42.91% and BELFB delivered 27.75% annualized total return. Past performance doesn't predict future results.

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.