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%+3.4pp	141.5%+3.1pp	138.4%+2.5pp	135.9%+1.5pp	134.4%+1.0pp
Operating margin	97.9%+4.9pp	93%+4.7pp	88.3%+4.0pp	84.3%+2.0pp	82.3%+0.2pp
Net margin	70.8%+1.7pp	69.2%+2.6pp	66.6%+2.8pp	63.8%+1.2pp	62.6%-0.3pp
Returns
Return on equity	139.4%+9.3pp	130.1%+10.1pp	120.1%+9.4pp	110.6%+5.5pp	105.1%+2.0pp
Efficiency
Asset turnover	3.3×-0.1×	3.4×0.0×	3.4×+0.1×	3.3×+0.1×	3.2×0.0×
Liquidity
Current ratio	8.8×-0.3×	9.1×+0.6×	8.4×+0.1×	8.4×0.0×	8.4×-0.1×
Per Share
Book value per share	$40.15+7.2%	$37.45+7.9%	$34.70+7.1%	$32.41+6.4%	$30.45+4.2%
Valuation
Market capitalization	$587.7B+14.8%	$511.82B+19.0%	$430.13B+20.3%	$357.52B+10.8%	$322.56B+16.1%
Price / earnings	149.5×+4.4×	145.1×+4.2×	140.9×+3.7×	137.2×-2.1×	139.2×+13.4×
Price / sales	26.5×+1.3×	25.3×+1.7×	23.6×+1.7×	21.9×+0.1×	21.8×+2.0×
Price / book	45.6×+3.4×	42.2×+3.8×	38.4×+3.8×	34.6×+1.0×	33.6×+3.7×
Dividend yield	2.2%-0.2pp	2.5%-0.2pp	2.7%-0.1pp	2.8%0.0pp	2.8%-0.6pp

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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.