Amphenol makes connectors, interconnect systems, sensors, antennas, coaxial cable, specialty cable, high-speed cable, and fiber optic cable used across data centers, communications networks, defense, commercial aerospace, industrial, automotive, and mobile devices. Q1 2026 sales rose 58%, orders were $9.4 billion, and book-to-bill was 1.24:1. The problem is valuation: at about 31x fiscal 2026 consensus earnings and roughly 7.9x trailing enterprise value to sales, APH needs durable organic growth, clean CCS integration, and sustained high-20s adjusted operating margin to work from here. S1 S2 S6
Decision hinge: whether Amphenol can convert the CommScope CCS fiber acquisition and artificial-intelligence datacom demand into durable organic growth without sacrificing margins or balance-sheet flexibility. If Q2-Q3 2026 growth and margin come in strong, the premium is defendable. If organic growth ex-acquisitions fades, the stock can be a good company and a poor setup.
Growth-Investment Verdict
Quality plus growth is real.
Amphenol has a long acquisition record, broad end-market diversification, strong cash generation, and a product set that benefits when systems need more data, power, sensing, and shielding.
The stock prices in a lot of proof.
The setup needs continued artificial-intelligence datacom strength, CCS contribution, and no material margin giveback. That leaves less room for ordinary electronics-cycle disappointment.
Organic growth and cash conversion.
Weak book-to-bill, margin pressure below the mid-20s, or slower-than-promised CCS revenue would move this from attractive for work to avoid for now.
Fundamentals Snapshot
Current market context
Amphenol is a large-cap, high-quality electronics compounder now trading as an artificial-intelligence infrastructure beneficiary. The current setup is not a cheap cyclical recovery; it is a premium multiple on visible growth and a large acquisition. S6 S2
- Balance sheet: cash and short-term investments were $4.6 billion at March 31, 2026; current and long-term debt totaled $18.7 billion, implying roughly $14.2 billion of net debt. S2
- Share count: Alpha Vantage shows 1.23 billion shares outstanding; the Q1 2026 10-Q shows 1.29 billion weighted average diluted shares. The difference matters for fully diluted valuation work. S6 S1
- Cash quality: Q1 2026 free cash flow was $831 million, but working capital and acquisition integration need a full-year view before underwriting normalized free cash flow. S3
Growth-investment scorecard
What The Company Does
Communications Solutions
High-speed, radio-frequency, power, fiber optic, coaxial, and cable products used in information technology datacom, mobile devices, networks, industrial, auto, aerospace, and defense. This is the segment most visibly enlarged by CCS. S3
Harsh Environment Solutions
Ruggedized connectors, specialty cable, printed circuits, and assemblies for industrial, defense, commercial aerospace, auto, networks, and datacom. This segment gives APH exposure to long-cycle and reliability-critical systems. S3
Interconnect and Sensor Systems
Sensors, sensor-based systems, connectors, and value-add interconnect products used across auto, industrial, datacom, networks, defense, and aerospace. This supports the broader sensing and electrification angle. S3
In plain English, Amphenol sells the physical connection layer that lets electronic systems move power, signal, data, and sensing information reliably. The growth question is not whether connectors matter; it is whether content per system is rising fast enough to justify the current multiple.
Market Fit And Long-Term Growth Products
What could drive future growth
- Artificial-intelligence datacom: high-speed copper, power interconnect, active and passive fiber optic interconnect, specialty cable, and system-level connector density. The 10-K says Amphenol provides interconnect solutions for internet and artificial-intelligence-enabling systems. S9
- CCS acquisition: adds fiber optic interconnect capabilities for artificial-intelligence and other data-center applications, plus communications-network and industrial building-connectivity exposure. The deal was $10.5 billion in cash and management expected about $4.1 billion of 2026 sales plus about $0.15 of 2026 adjusted earnings accretion. S4 S1
- Defense and aerospace: ruggedized connectors, specialty cable, active radio-frequency interconnect, and high-reliability assemblies can compound if defense and commercial aerospace remain healthy.
- Automotive and industrial electronics: electrification, sensing, automation, and harsh-environment applications add content per platform, but these markets are more cyclical.
Market fit view
APH fits the current market's preference for profitable artificial-intelligence infrastructure suppliers better than most industrial electronics names. It is not as pure as Arista or Vertiv, but it is broader and less dependent on one architecture. The market may be paying for that breadth as much as for absolute artificial-intelligence purity.
What may be missed: if customers need both copper and optics, APH can benefit from architectural uncertainty instead of being forced to pick a single data-center winner.
What may be over-discounted: the current multiple assumes that the CCS acquisition and 2025-2026 datacom surge do not create a digestion period.
Eight-Quarter Revenue And Earnings
The chart uses six reported quarters, Q2 2026 company guidance midpoint, and Q3 2026 analyst estimate. It includes visible year-over-year growth rates for both revenue and adjusted earnings. It uses adjusted diluted earnings per share for comparability because management highlights adjusted results and acquisition-related items distort reported earnings. S1 S1
Revenue and adjusted earnings by quarter
Six reported quarters, one company-guided quarter, and one street-estimate quarter.
Quarterly source table
| Quarter | Status | Revenue | Revenue Growth | Adjusted EPS | EPS Growth | Source |
|---|---|---|---|---|---|---|
| Q4 2024 | Reported | $4.3B | +30.0% | $0.55 | +34.0% | Company release |
| Q1 2025 | Reported | $4.8B | +48.0% | $0.63 | +58.0% | Company release |
| Q2 2025 | Reported | $5.7B | +57.0% | $0.81 | +84.0% | Company release |
| Q3 2025 | Reported | $6.2B | +53.0% | $0.93 | +86.0% | Company release |
| Q4 2025 | Reported | $6.4B | +49.0% | $0.97 | +76.0% | Company release |
| Q1 2026 | Reported | $7.6B | +58.0% | $1.06 | +68.0% | Company release and 10-Q |
| Q2 2026 | Guidance midpoint | $8.2B | +44.0% | $1.15 | +42.0% | Midpoint of company guidance |
| Q3 2026 | Street estimate | $8.7B | +40.0% | $1.26 | +35.5% | Alpha Vantage estimate snapshot |
Growth Estimates Consensus
Consensus is available from public estimate aggregators, but the datasets do not perfectly match. The report uses Alpha Vantage for fiscal 2026-2027 estimates and WallStreetZen for the displayed three-year 2028 extension. Treat 2028 as an estimate-context anchor, not a model. S6 S7
Revenue and adjusted earnings estimates
2025 actuals followed by fiscal 2026-2028 public estimate context.
Three-year growth estimate table
| Year | Revenue | Revenue Growth | Adjusted EPS | EPS Growth | Source |
|---|---|---|---|---|---|
| 2025 actual | $23.1B | +51.7% | $3.34 | +77.0% | Company reported adjusted EPS |
| 2026E | $33.4B | +44.7% | $4.82 | +44.2% | Alpha Vantage / public consensus cross-check |
| 2027E | $37.7B | +12.9% | $5.69 | +18.0% | Alpha Vantage / public consensus cross-check |
| 2028E | $42.5B | +12.7% | $6.47 | +13.7% | WallStreetZen displayed 3-year forecast |
Competitive Comparison
Amphenol's cleanest public product peer is TE Connectivity. Vertiv, Arista, Celestica, and Flex are not direct connector peers, but they are useful artificial-intelligence infrastructure read-throughs because they frame what investors are paying for adjacent data-center exposure. Peer metrics use the prior internal U.S. artificial-intelligence boom screen, with public-source market data as of June 12, 2026. S8
| Company | Product Position | Past Growth / Margins | Expected Growth | Valuation | Read-through |
|---|---|---|---|---|---|
| Amphenol | Broad connectors, fiber optic interconnect, specialty cable, sensors, antennas | 54% trailing sales growth; 27% operating margin | Mid-teens annualized revenue growth expected after 2026 step-up | 31x forward earnings; 7.9x enterprise value to sales | Best balanced public interconnect compounder, but valuation already assumes execution. |
| TE Connectivity | Connectors and sensors with heavier auto and industrial exposure | 17% trailing sales growth; 21% operating margin | Lower artificial intelligence purity; cheaper, steadier industrial mix | 17x forward earnings; 3.5x enterprise value to sales | Closest public connector peer; APH earns a premium for growth and portfolio breadth. |
| Vertiv | Power and thermal systems for data centers | 29% trailing sales growth; 19% operating margin | More direct data-center power and cooling exposure | 49x forward earnings; 10.8x enterprise value to sales | Better pure-play data-center infrastructure read-through, but less comparable product economics. |
| Arista Networks | High-speed Ethernet switching for cloud and artificial intelligence clusters | 31% trailing sales growth; 43% operating margin | High expected growth, tied to cloud customer spending and Ethernet adoption | 45x forward earnings; 19.9x enterprise value to sales | More software-like margins and customer concentration; useful AI capex valuation anchor. |
| Celestica / Flex | Electronics manufacturing and cloud hardware assembly | 8% to 40% trailing sales growth; lower margins | Program wins can grow fast but margins and customer concentration differ | 32x to 39x forward earnings; 2.0x to 3.3x enterprise value to sales | Useful supply-chain read-through, not a direct connector peer. |
Valuation And Decision Hinge
Valuation context
At $153.80, APH is not priced for a normal electronics cycle. It is priced for a high-quality compounder with a new artificial-intelligence datacom layer. Alpha Vantage showed a $189.2 billion market value, 30.96x forward earnings, 7.86x enterprise value to revenue, and 25.0x enterprise value to earnings before interest, tax, depreciation, and amortization. S6
That valuation can be defensible if fiscal 2026 consensus revenue of about $33.4 billion and adjusted earnings per share of about $4.82 are too low, and if fiscal 2027 estimates keep moving up. It is not defensible if the post-CCS growth rate normalizes quickly.
Not a target price
The following is a sensitivity frame, not a price target. It simply shows how much multiple discipline matters when the starting valuation is high.
| Case | Math | What It Means |
|---|---|---|
| Downside compression | 24x FY2026E EPS of $4.82 = $116 | If organic growth fades after the acquisition step-up, the current price can fall materially without the company becoming broken. |
| Base watchlist math | 30x FY2027E EPS of $5.69 = $171 | A modest upside case needs the market to keep paying a premium multiple while earnings grow into the stock. |
| Upside proof case | 34x FY2028E EPS of $6.47 = $220 | Requires durable AI datacom growth, successful CCS integration, high 20s margins, and no balance-sheet concern. |
Why this method fits: APH is currently valued on earnings power and acquisition-adjusted growth, not liquidation assets. A full discounted cash flow should come next, but an earnings-multiple sensitivity is the fastest way to see the downside mechanism.
Thesis, Disconfirming Evidence, And Risks
Thesis claims
- APH is a premier interconnect platform with exposure to systems that need more power, data, fiber, sensing, and reliability.
- Artificial-intelligence datacom is a real driver: Q1 2026 commentary called out exceptional organic growth in IT datacom. S1
- CCS makes the data-center fiber and connectivity offering broader, giving APH more ways to win across copper and optics. S9
Disconfirming evidence
- The company has not provided enough product-level artificial-intelligence revenue disclosure to underwrite exposure purity.
- Large acquisitions can make growth look cleaner than organic demand. The Q1 2026 report included acquisition-related inventory and backlog amortization items. S2
- Leverage is higher after CCS, and enterprise-value math is more sensitive to debt than it was before the deal.
Specific risks
- Data-center order normalization after a buildout surge.
- CCS integration risk, including margin, customer retention, inventory, and working capital.
- Trade, export-control, China tax, and geopolitical exposure across a roughly 40-country manufacturing footprint.
- Multiple compression if growth investors rotate away from artificial-intelligence infrastructure.
Monitoring Items And Next Work
Monitor next
- Q2 2026 revenue versus the $8.1 billion to $8.2 billion guide and adjusted earnings per share versus the $1.14 to $1.16 guide. S1
- Q3 2026 consensus at roughly $8.68 billion revenue and $1.26 adjusted earnings per share.
- Book-to-bill above 1.0, especially in IT datacom, defense, and industrial.
- Adjusted operating margin remaining in the high 20s after CCS integration.
- Net debt paydown and free cash flow conversion across the next two quarters.
Model work required before ownership
- Build a quarterly organic versus acquisition revenue bridge through fiscal 2027.
- Separate CCS sales, margin, amortization, working capital, and debt-financing effects.
- Model downside with a normal electronics-cycle demand reset and a 22x to 25x earnings multiple.
- Compare APH with TE Connectivity on normalized margins, return on invested capital, and free cash flow yield.
- Request primary transcript detail on AI datacom content, copper versus fiber exposure, and customer concentration.
Source Register, Conflicts, Assumptions, And Open Requests
Open Evidence Requests
- Customer-level and product-level artificial-intelligence datacom revenue exposure.
- Organic growth by end market after excluding CCS, Trexon, Andrew, Narda, and other acquisitions.
- CCS post-close margin, backlog, customer retention, capital expenditure, and working-capital profile.
- Updated consensus export from FactSet, S&P Capital IQ, Bloomberg, or a user model for fiscal 2026-2028 revenue, adjusted operating income, free cash flow, and share count.
- Full Q1 2026 earnings transcript and Q2 2026 post-print commentary.
Sources
| ID | Source | Type | Date | Coverage | Confidence | Use |
|---|---|---|---|---|---|---|
| S1 | Amphenol Q1 2026 earnings release | Company release | Apr. 29, 2026 | Q1 2026 reported results and Q2 2026 guide | High | Revenue, adjusted earnings per share, orders, book-to-bill, margin, free cash flow, Q2 guide. |
| S2 | Amphenol Q1 2026 Form 10-Q | SEC filing | May 1, 2026 | Quarter ended Mar. 31, 2026 | High | Cash, short-term investments, debt, diluted shares, statement definitions, working capital. |
| S3 | Amphenol 2025 Form 10-K | SEC filing | Feb. 2026 | Fiscal year 2025 | High | Segment descriptions, segment sales, organic/acquisition growth, business and risk context. |
| S4 | Amphenol Q4 2025 earnings release | Company release | Jan. 28, 2026 | Q4 and fiscal 2025 | High | Fiscal 2025 revenue, adjusted earnings, margins, free cash flow, CCS 2026 contribution commentary. |
| S5 | Amphenol Q1-Q3 2025 and Q4 2024 releases | Company releases | Jan. 2025 to Oct. 2025 | Six-quarter chart history | High | Quarterly revenue and adjusted earnings baselines, growth percentages, near-term guidance history. |
| S6 | Alpha Vantage overview and earnings estimates | Market data and estimates | Accessed Jun. 14, 2026 | Latest quarter 2026-03-31; estimate snapshot | Medium | Market capitalization, shares outstanding, trailing revenue, margins, valuation multiples, fiscal 2026-2027 and quarterly estimates. |
| S7 | WallStreetZen APH forecast page | Third-party public estimates | Accessed Jun. 14, 2026 | Public three-year EPS and revenue forecast display | Medium | Current displayed price, one-year target context, and three-year EPS/revenue forecast series. |
| S8 | US AI Boom internal universe screen | Internal prior screen | Data as of Jun. 12, 2026 | Peer valuation snapshot | Medium | Peer forward earnings, enterprise-value multiples, margins, and price performance used for compact competitor comparison. |
| S9 | CommScope CCS acquisition releases | Company releases | Aug. 4, 2025 and Jan. 12, 2026 | CCS acquisition | High | Purchase price, product rationale, expected sales and earnings accretion, closing status. |