What are Amphenol's profit margins?

Amphenol (APH) runs a 37.3% gross margin and a 25.8% operating margin, with a 17.2% net margin.

Where do Amphenol's ratios come from?

Every ratio is computed from Amphenol's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.

Amphenol APH Ratios & Valuation

Income Statement Balance Sheet Cash Flow Ratios Segments

Quarterly Annual TTM

YoY QoQ

Simplified Detailed

	TTM Q1 '26	TTM Q4 '25	TTM Q3 '25	TTM Q2 '25	TTM Q1 '25
Profitability
Gross margin	144.9%+10.5pp	141.5%+8.1pp	138.4%+6.2pp	135.9%+4.9pp	134.4%+4.5pp
Operating margin	97.9%+15.6pp	93%+10.9pp	88.3%+6.5pp	84.3%+2.5pp	82.3%+0.5pp
Net margin	70.8%+8.2pp	69.2%+6.3pp	66.6%+4.3pp	63.8%+1.5pp	62.6%+0.8pp
Returns
Return on equity	139.4%+34.3pp	130.1%+27.1pp	120.1%+18.7pp	110.6%+7.9pp	105.1%+0.6pp
Efficiency
Asset turnover	3.3×+0.1×	3.4×+0.2×	3.4×+0.2×	3.3×+0.1×	3.2×0.0×
Liquidity
Current ratio	8.8×+0.4×	9.1×+0.6×	8.4×+0.2×	8.4×-0.2×	8.4×-0.5×
Per Share
Book value per share	$40.15+31.8%	$37.45+28.1%	$34.70+23.0%	$32.41+19.8%	$30.45+17.0%
Valuation
Market capitalization	$587.7B+82.2%	$511.82B+84.3%	$430.13B+92.3%	$357.52B+110%	$322.56B+182%
Price / earnings	149.5×+10.3×	145.1×+19.3×	140.9×+34.3×	137.2×+53.3×	139.2×+80.6×
Price / sales	26.5×+4.7×	25.3×+5.5×	23.6×+7.0×	21.9×+8.8×	21.8×+12.7×
Price / book	45.6×+12.0×	42.2×+12.3×	38.4×+13.5×	34.6×+14.9×	33.6×+19.5×
Dividend yield	2.2%-0.6pp	2.5%-1.0pp	2.7%-1.8pp	2.8%-2.9pp	2.8%-4.2pp

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Questions, answered.

What are Amphenol's profit margins?: Amphenol (APH) runs a 37.3% gross margin and a 25.8% operating margin, with a 17.2% net margin.
Where do Amphenol's ratios come from?: Every ratio is computed from Amphenol's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.