BELFA vs LFUS vs KN Stock Comparison

Bel Fuse, Littelfuse and Knowles Prices as of Oct 26, 2026 Peers: Industry group
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BELFA Bel Fuse Inc /Nj
$166.51 -18.0% 1M +20.0% 1Y
Market cap
$2.36B
P/E
44.0x
Revenue (TTM)
$744.09M
Div. yield
–
Electronic Components Technology
6 wins
LFUS Littelfuse Inc /De
$364.03 -15.2% 1M +35.2% 1Y
Market cap
$9.69B
P/E
–
Revenue (TTM)
$2.61B
Div. yield
–
Electronic Components Technology
1 win
KN Knowles Corp
$32.65 -13.0% 1M +36.0% 1Y
Market cap
$2.85B
P/E
39.8x
Revenue (TTM)
$666.10M
Div. yield
–
Electronic Components Technology
3 wins

Head to Head

10 decided of 12

Bel Fuse leads on 6 of the 12 questions below (Bel Fuse 6, Knowles 3, Littelfuse 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionBELFALFUSKNLeader
Larger companyMarket capitalisation $2.36B $9.69B $2.85B LFUS
Cheaper on earningsLower P/E, profitable companies only 44.0x -1,202x 39.8x KN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.0x 20.5x 22.8x BELFA
Faster revenue growthRevenue growth, trailing twelve months +25.3% +15.4% +16.1% BELFA
More profitableNet margin, trailing twelve months 7.2% -0.3% — BELFA
Better return on capitalReturn on invested capital 12.7% 0.0% — BELFA
Less leveragedLower net debt / EBITDA — 0.0x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +20.0% +35.2% +36.0% KN
Better 5-year returnAnnualised price return, 5 years +66.0%/yr +5.5%/yr +10.5%/yr BELFA
Less volatileAnnualised volatility, 1 year 59.2% 43.1% 41.2% KN
Higher overall scoreMean of the five percentile scores vs peers 63/100 46/100 54/100 BELFA

Percentile Scorecard

BELFALFUSKN

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisBELFALFUSKN
Valuation 75 #29 of 111 58 #47 of 111 45 #62 of 111
Growth 59 #45 of 108 28 #78 of 108 70 #33 of 108
Profitability 73 #29 of 104 50 #53 of 104 49 #54 of 104
Financial Health 81 #23 of 115 61 #45 of 115 –
Shareholder Returns 29 #58 of 81 35 #53 of 81 –
Overall 63 46 54
  • BELFA ranked among 121 companies in Computer Hardware
  • LFUS ranked among 121 companies in Computer Hardware
  • KN ranked among 121 companies in Computer Hardware

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodBELFALFUSKNSPY
1 month -18.0%-15.2%-13.0% -0.8%
3 months -26.2%-9.7%-12.6% +3.5%
6 months -27.5%-9.7%+4.7% +7.0%
Year to date +9.7%+43.9%+52.4% +12.2%
1 year +20.0%+35.2%+36.0% +13.0%
3 years +244.5%+68.3%+151.0% +86.3%
3 years, per year +51.1%+19.0%+35.9% +23.1%
5 years +1,156.7%+30.6%+64.5% +68.6%
5 years, per year +66.0%+5.5%+10.5% +11.0%
10 years +811.4%+165.7%+119.4% +258.0%
10 years, per year +24.7%+10.3%+8.2% +13.6%

Risk

MeasureBELFALFUSKNSPY
Volatility, 1Y 59.2%43.1%41.2% 12.7%
Downside volatility, 1Y 67.3%44.9%42.9% 12.7%
Beta vs S&P 500, 1Y 2.271.841.89 1.00
Return / volatility, 1Y 0.340.820.88 1.02
Max drawdown, 5Y -44.8%-54.8%-49.6% -25.4%
From 52-week high -42.8%-25.6%-23.7% -1.8%
52-week high $291.23$489.10$42.80 $779.14
52-week low $114.02$234.94$20.67 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleBELFALFUSKN
P/E now vs peer median 42.2xmedian 32.0x -1,143xmedian 32.0x 39.0xmedian 32.0x
P/S now vs peer median 2.8xmedian 2.8x 3.5xmedian 2.8x 4.2xmedian 2.8x
EV/EBITDA now vs peer median 11.9xmedian 19.4x 39.6xmedian 19.4x —median 19.4x
P/FCF now vs peer median 28.0xmedian 29.0x 20.8xmedian 29.0x 195.6xmedian 29.0x
P/B now vs peer median 2.3xmedian 2.9x 3.5xmedian 2.9x 3.5xmedian 2.9x
PEG now vs peer median -3.04median 1.13 43.13median 1.13 1.15median 1.13

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsBELFALFUSKN
Revenue $744.09M $2.61B $666.10M
Gross profit $294.08M $1.03B $295.50M
Operating income $118.20M $95.49M $97.10M
Net income $77.96M -$8.06M $71.70M
Free cash flow $73.34M $444.35M –
R&D $33.09M $115.22M $43.90M
EPS (diluted) $3.94 $-0.31 $0.82
Cash & equivalents $306.11M $628.22M $46.60M
Total debt – $629.66M –
Shares (diluted) 13.61M 25.62M 87.90M
Enterprise value $1.88B $7.20B $2.85B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricBELFALFUSKN
P/E 42.2x -1,143x 39.0x
P/FCF 28.0x 20.8x 195.6x
P/Operating cash flow 24.6x 18.1x 27.6x
P/S 2.8x 3.5x 4.2x
P/B 2.3x 3.5x 3.5x
P/Tangible book 3.0x 4.5x 4.2x
EV/EBITDA 11.9x 39.6x –
EV/EBIT 14.8x 96.8x –
EV/Revenue 2.3x 3.5x 4.2x
EV/FCF 23.8x 20.8x –
EV/Operating cash flow 20.9x 18.1x 27.6x
PEG (3Y EPS CAGR) -3.04 43.13 1.15

Growth

14 metrics
MetricBELFALFUSKN
Revenue growth (1Y) 25.3% 15.4% 16.1%
Revenue CAGR (3Y) 2.6% 1.5% 25.5%
Gross profit growth (1Y) 30.8% 23.4% 20.8%
Gross profit CAGR (3Y) 11.3% 0.9% 13.2%
Operating income growth (1Y) 50.2% -52.6% 62.1%
Operating income CAGR (3Y) 10.6% -40.7% -33.2%
Net income growth (1Y) 30.7% -107.5% 71.9%
Net income CAGR (3Y) 2.2% -26.5% 33.7%
EPS growth (1Y) -2.1% -107.3% 70.8%
EPS CAGR (3Y) -13.9% -26.5% 34.0%
Operating cash flow growth (1Y) 29.3% 31.5% -15.4%
Operating cash flow CAGR (3Y) 6.2% 8.0% 7.5%
Free cash flow growth (1Y) 52.7% 41.0% –
Free cash flow CAGR (3Y) 8.5% 12.0% –

Profitability

14 metrics
MetricBELFALFUSKN
Gross margin 39.5% 39.3% –
EBITDA margin 19.8% 8.9% –
Operating margin 15.9% 3.7% –
Pretax margin 12.5% 3.0% –
Net margin 7.2% -0.3% –
FCF margin 9.9% 17.0% –
Operating cash flow margin 11.2% 19.6% 15.2%
Return on equity 11.6% -0.3% –
Return on assets 7.0% -0.2% –
Return on invested capital 12.7% 0.0% –
Return on capital employed 12.4% 2.8% –
Asset turnover 0.7x 0.7x 0.6x
Cash conversion (OCF / net income) 1.1x -63.5x 1.4x
Stock comp / revenue 1.2% 1.1% 4.4%

Financial Health

11 metrics
MetricBELFALFUSKN
Debt / assets – 15.7% –
Debt / equity – 0.2x –
Net debt / EBITDA – 0.0x –
Debt / FCF – 1.4x –
Liabilities / assets 28.1% 34.7% –
Equity / assets 71.9% 65.3% 74.2%
Interest coverage 10.8x 3.2x –
Current ratio 4.5x 2.8x 2.9x
Quick ratio 3.0x 1.8x –
Cash ratio 2.0x 1.1x –
Altman Z-score 5.37 5.64 –

Shareholder Returns

7 metrics
MetricBELFALFUSKN
Dividend yield 0.1% 0.8% –
Net buyback yield – -1.1% –
Shareholder yield 0.1% -0.2% –
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusBELFALFUSKN
Forward P/E 16.0xFY2026 20.5xFY2026 22.8xFY2026
EPS, next fiscal year $10.39FY2026 $17.78FY2026 $1.43FY2026
EPS growth, next FY +46.3%FY2026 +66.5%FY2026 +28.8%FY2026
EPS growth, the year after +3.6% +12.1% +21.0%
Revenue, next fiscal year $771.32MFY2026 $3.11BFY2026 $712.60MFY2026
Revenue growth, next FY +14.2%FY2026 +30.3%FY2026 +20.1%FY2026
Revenue growth, the year after +9.0% +0.2% +12.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBELFALFUSKN
Held by institutions 63.1% 99.4% 100.0%
Institutions holding 110 606 340
Change in shares held, QoQ +14.8% +1.6% +0.5%
Institutions buying 70 295 198
Institutions selling 30 209 93
Buyers to sellers 2.33 1.41 2.13

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

BELFALFUSKN
BELFA 1.00 0.62 0.67
LFUS 0.62 1.00 0.76
KN 0.67 0.76 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, BELFA, LFUS and KN?

Littelfuse (LFUS) is the largest by market capitalisation: Bel Fuse (BELFA) $2.36B, Littelfuse (LFUS) $9.69B, Knowles (KN) $2.85B.

Which stock is cheaper, BELFA, LFUS and KN?

Knowles (KN) trades on the lowest price-to-earnings ratio (Bel Fuse (BELFA) 44.0x, Littelfuse (LFUS) -1,202x, Knowles (KN) 39.8x). On next year's consensus earnings, Bel Fuse (BELFA) is cheapest (Bel Fuse (BELFA) 16.0x, Littelfuse (LFUS) 20.5x, Knowles (KN) 22.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Bel Fuse (BELFA) grew revenue fastest over the trailing twelve months: Bel Fuse (BELFA) +25.3%, Littelfuse (LFUS) +15.4%, Knowles (KN) +16.1%.

Which company is more profitable?

Bel Fuse (BELFA) has the highest net margin (Bel Fuse (BELFA) 7.2%, Littelfuse (LFUS) -0.3%). On return on invested capital, Bel Fuse (BELFA) leads (Bel Fuse (BELFA) 12.7%, Littelfuse (LFUS) 0.0%).

Which stock has performed better?

Over the past year Knowles (KN) returned the most: Bel Fuse (BELFA) +20.0%, Littelfuse (LFUS) +35.2%, Knowles (KN) +36.0%. Over five years, Bel Fuse (BELFA) compounded fastest (Bel Fuse (BELFA) +66.0%/yr, Littelfuse (LFUS) +5.5%/yr, Knowles (KN) +10.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Knowles (KN) has been the steadiest (Bel Fuse (BELFA) 59.2%, Littelfuse (LFUS) 43.1%, Knowles (KN) 41.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, BELFA, LFUS and KN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Bel Fuse (BELFA) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.