Amphenol
APH · NYSE · Technology
$77.55
$0.81 (-1.05%) today
Market Cap
$191.24B
24h Volume
$2.3B
P/E Ratio
38.8
52w High
$88.16
52w Low
$59.49
Est. AI Revenue
25%
7-Day Sparkline (Static)
Company facts
Performance
About Amphenol
Amphenol is one of the world's largest makers of connectors, cable assemblies, sensors, and antennas. Its products are the physical junctions of electronics, sold into data centers, cars, planes, factories, phones, and military systems. The company runs a famously decentralized model with dozens of business units and has grown through a long series of acquisitions.
In the AI buildout, Amphenol and TE Connectivity are the two dominant suppliers of high-speed interconnects inside servers and switches. Its IT datacom products carry signals between GPUs, switches, and backplanes, and its power interconnects feed increasingly power-hungry GPU racks. It also acquired CommScope's Andrew wireless business to deepen its communications reach.
Founded in 1932 and headquartered in Wallingford, Connecticut, Amphenol employs about 170,000 people worldwide and trades on the NYSE.
Amphenol in the AI buildout
Amphenol sits in the Networking layer of the buildout. Inside every AI server and switch, high-speed connectors and cable assemblies carry signals between accelerators, memory, and network ports, and Amphenol is one of only two suppliers operating at global scale. As AI racks push bandwidth and power density higher, connector content per system rises, and Amphenol's power interconnects benefit from the same trend. Its exposure is levered to hyperscaler capex without depending on any single chip vendor.
APH is tracked in Networking & Optics, rated Strategic on the AI Exposure leaderboard.
By the numbers
52-week range
APH trades at $77.55, 63% of the way up its 52-week range of $59.49 to $88.16.
Market cap
Market capitalization is $191.24B, with an AI Exposure Score of 68 out of 100.
Valuation vs peers
Its P/E ratio of 38.8 is below the Networking & Optics category median of 61.9.
Next earnings
Amphenol is next expected to report earnings on October 28, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does Amphenol do?
Amphenol makes connectors, cable assemblies, sensors, and antennas used across nearly every electronics market: data centers, automotive, aerospace, military, industrial, and mobile devices. It operates a decentralized network of business units and is one of the two largest connector companies in the world.
How is Amphenol exposed to AI?
Its high-speed interconnects and power connectors are core components inside AI servers, switches, and GPU racks, and IT datacom has become its biggest growth driver. Supercycle rates it Strategic with an AI Exposure Score of 68 out of 100, at the top of the Strategic band.
What are Amphenol's main AI products?
High-speed backplane connectors and cable assemblies that link GPUs, switches, and networking gear, plus power interconnects that deliver the rising currents modern AI racks require. Fiber optic assemblies round out its data center portfolio.
Is APH a pure play AI stock?
No. Supercycle classifies Amphenol as Strategic. AI interconnects are its fastest-growing business, but automotive, industrial, military, and mobile markets still supply most revenue, giving it diversified exposure rather than a pure AI profile.
Who leads Amphenol?
Richard Adam Norwitt, who goes by R. Adam Norwitt, has served as CEO since 2009, overseeing steady acquisition-driven growth. Amphenol was founded in 1932 and is headquartered in Wallingford, Connecticut, with about 170,000 employees worldwide.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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