Detailed Narrative
Record quarter driven by AI and CommScope integration
Amphenol posted record sales of $7.6B (+58% USD, +33% organic YoY) and record adjusted EPS of $1.06 (+68% YoY), both above the high end of guidance. Adjusted operating margin was 27.3%, up 380 bps YoY and only 20 bps below the prior quarter despite CommScope's near-term dilution. Management attributed the beat to robust operating leverage on higher volumes and disciplined cost execution across all three segments. The company's sales run rate has more than doubled over the two years from Q1 2024 to Q1 2026.
IT datacom and the AI interconnect opportunity
IT datacom reached just over 40% (41%) of sales and grew 99% in USD and 81% organically YoY, with virtually all of the 16% sequential organic growth AI-related. Management stressed that with CommScope added, Amphenol now offers the industry's broadest range of high-speed copper, power, and fiber-optic interconnect — spanning passive and active copper and optics — positioning it across the full AI ecosystem from hyperscalers to systems makers to chip designers. On CPO and next-generation architectures, management declined to quantify content but argued that 'no matter what, there's going to be more interconnect,' emphasizing proven execution as a durable competitive edge. IT datacom grew 124% for full-year 2025.
CommScope acquisition performance and strategic fit
CommScope closed at the beginning of January 2026 and is now expected to deliver ~$4.1B in 2026 sales with $0.15 of EPS accretion, above the ~$3.5B-$3.6B / mid-teens-growth framing at signing. On a like-for-like basis CCS grew roughly in line with Amphenol's own organic growth in Q1. It opens complementary data-center connectivity (rack-to-rack and between data centers), a new building-connectivity business selling into 150+ countries via a distinct distribution channel, and cross-sell opportunities for Amphenol antennas and sensors. Management framed CommScope as a team of 'fighters' now backed by a stronger balance sheet supportive of growth investment.
Orders, book-to-bill and customer capacity commitments
Orders were a record $9.4B, up 78% YoY and 12% sequentially, for a 1.24:1 book-to-bill with every end market above 1 — led by IT datacom, defense, commercial air, and industrial. IT datacom's book-to-bill this quarter was ~1.24, below the ~1.31 posted in Q4 2025. Rather than formal long-term supply agreements, management described customers 'opening up their order apertures' and in some cases co-investing in Amphenol's capacity, giving confidence to fund capacity and automation for ultra-high-precision products. Management said it would not discuss these arrangements explicitly but confirmed there is more of this activity than in the past.
Diversified end-market recovery: industrial and defense
Industrial (20% of sales) grew 52% USD and 16% organic, with broad reacceleration across instrumentation, electrification, oil & gas, lighting, medical, heavy equipment and factory automation (all strong double-digit organic), while marine/RMT lagged modestly. Defense (8% of sales) grew 44% USD and 25% organic, broad-based across segments and geographies, with management citing a potential long-term structural demand shift from missile defense, smart munitions, and next-generation programs — including new-generation defense contractors — supported by prior capacity expansions and the Trexon acquisition. Defense grew 25% organically in 2025 (21% company-wide organic full year context).
Margins, cost environment and pricing
Adjusted operating margin of 27.3% was just below the record margins of H2 2025 and included CommScope dilution. Management said the cost/tariff environment has not been supportive but has been largely offset through factory productivity and vendor actions, with pricing used as the last lever and decided at the general-manager level per business based on the value delivered. GAAP operating margin was 24%, reduced by $249M of acquisition-related costs ($179M non-cash amortization of acquired backlog and inventory step-up, plus $70M external transaction costs).
China tax matter and balance sheet
Amphenol booked a $130M tax accrual in Q1 tied to unfavorable determinations from Chinese tax authorities, which with a $100M Q4 2025 accrual covers the full amount of received tax payment notices. A related reassessment of prior-period tax assumptions added a $160M provision; both the $130M and $160M items were excluded from adjusted results. The matter, plus income shift to higher-tax jurisdictions, lifted the effective tax rate to 27% for the rest of 2026. Total debt was $18.7B, net debt $14.2B, liquidity $7.6B (including $4.6B cash and short-term investments), EBITDA $2.3B, and net leverage 1.6x.