KN vs LFUS vs BELFA Stock Comparison

Knowles, Littelfuse and Bel Fuse Prices as of Oct 26, 2026 Peers: Industry group
KN Knowles Corp
$32.65 -13.0% 1M +36.0% 1Y
Market cap
$2.85B
P/E
39.7x
Revenue (TTM)
$666.10M
Div. yield
–
Electronic Components Technology
3 wins
LFUS Littelfuse Inc /De
$364.03 -15.2% 1M +35.2% 1Y
Market cap
$9.45B
P/E
–
Revenue (TTM)
$2.61B
Div. yield
–
Electronic Components Technology
1 win
BELFA Bel Fuse Inc /Nj
$166.51 -18.0% 1M +20.0% 1Y
Market cap
$2.38B
P/E
44.3x
Revenue (TTM)
$744.09M
Div. yield
–
Electronic Components Technology
6 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.

QuestionKNLFUSBELFALeader
Larger companyMarket capitalisation $2.85B $9.45B $2.38B LFUS
Cheaper on earningsLower P/E, profitable companies only 39.7x -1,172x 44.3x KN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 24.0x 20.5x 16.0x BELFA
Faster revenue growthRevenue growth, trailing twelve months +16.1% +15.4% +25.3% BELFA
More profitableNet margin, trailing twelve months — -0.3% 7.2% BELFA
Better return on capitalReturn on invested capital — 0.0% 12.7% 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 +36.0% +35.2% +20.0% KN
Better 5-year returnAnnualised price return, 5 years +10.5%/yr +5.5%/yr +66.0%/yr BELFA
Less volatileAnnualised volatility, 1 year 41.2% 43.1% 59.2% KN
Higher overall scoreMean of the five percentile scores vs peers 54/100 46/100 63/100 BELFA

Percentile Scorecard

KNLFUSBELFA

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

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

Price Performance

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

Returns

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

Risk

MeasureKNLFUSBELFASPY
Volatility, 1Y 41.2%43.1%59.2% 12.7%
Downside volatility, 1Y 42.9%44.9%67.3% 12.7%
Beta vs S&P 500, 1Y 1.891.842.27 1.00
Return / volatility, 1Y 0.880.820.34 1.02
Max drawdown, 5Y -49.6%-54.8%-44.8% -25.4%
From 52-week high -23.7%-25.6%-42.8% -1.8%
52-week high $42.80$489.10$291.23 $779.14
52-week low $20.67$234.94$114.02 $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.

MultipleKNLFUSBELFA
P/E now vs peer median 39.0xmedian 32.0x -1,143xmedian 32.0x 42.2xmedian 32.0x
P/S now vs peer median 4.2xmedian 2.8x 3.5xmedian 2.8x 2.8xmedian 2.8x
EV/EBITDA now vs peer median —median 19.4x 39.6xmedian 19.4x 11.9xmedian 19.4x
P/FCF now vs peer median 195.6xmedian 29.0x 20.8xmedian 29.0x 28.0xmedian 29.0x
P/B now vs peer median 3.5xmedian 2.9x 3.5xmedian 2.9x 2.3xmedian 2.9x
PEG now vs peer median 1.15median 1.13 43.13median 1.13 -3.04median 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 monthsKNLFUSBELFA
Revenue $666.10M $2.61B $744.09M
Gross profit $295.50M $1.03B $294.08M
Operating income $97.10M $95.49M $118.20M
Net income $71.70M -$8.06M $77.96M
Free cash flow – $444.35M $73.34M
R&D $43.90M $115.22M $33.09M
EPS (diluted) $0.82 $-0.31 $3.94
Cash & equivalents $46.60M $628.22M $306.11M
Total debt – $629.66M –
Shares (diluted) 87.90M 25.62M 13.61M
Enterprise value $2.85B $6.96B $1.90B

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

Growth

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

Profitability

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

Financial Health

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

Shareholder Returns

7 metrics
MetricKNLFUSBELFA
Dividend yield – 0.8% 0.1%
Net buyback yield – -1.1% –
Shareholder yield – -0.2% 0.1%
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.

ConsensusKNLFUSBELFA
Forward P/E 24.0xFY2026 20.5xFY2026 16.0xFY2026
EPS, next fiscal year $1.36FY2026 $17.78FY2026 $10.39FY2026
EPS growth, next FY +22.5%FY2026 +66.5%FY2026 +46.3%FY2026
EPS growth, the year after +22.8% +12.1% +3.6%
Revenue, next fiscal year $689.72MFY2026 $3.11BFY2026 $771.32MFY2026
Revenue growth, next FY +16.3%FY2026 +30.3%FY2026 +14.2%FY2026
Revenue growth, the year after +10.1% +0.2% +9.0%

Institutional Ownership

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

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.

KNLFUSBELFA
KN 1.00 0.76 0.67
LFUS 0.76 1.00 0.62
BELFA 0.67 0.62 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, KN, LFUS and BELFA?

Littelfuse (LFUS) is the largest by market capitalisation: Knowles (KN) $2.85B, Littelfuse (LFUS) $9.45B, Bel Fuse (BELFA) $2.38B.

Which stock is cheaper, KN, LFUS and BELFA?

Knowles (KN) trades on the lowest price-to-earnings ratio (Knowles (KN) 39.7x, Littelfuse (LFUS) -1,172x, Bel Fuse (BELFA) 44.3x). On next year's consensus earnings, Bel Fuse (BELFA) is cheapest (Knowles (KN) 24.0x, Littelfuse (LFUS) 20.5x, Bel Fuse (BELFA) 16.0x). 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: Knowles (KN) +16.1%, Littelfuse (LFUS) +15.4%, Bel Fuse (BELFA) +25.3%.

Which company is more profitable?

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

Which stock has performed better?

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

Which stock is riskier?

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

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

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.