ARM reported Q4 FY2026 after the close. Revenue $1.49 billion versus $1.47 billion expected. EPS $0.60 versus $0.58. A beat, but a modest one — $20 million on revenue, two cents on earnings.
That is not why the stock jumped 12.6% after hours, on top of the 12% it already gained during the regular session. The numbers were adequate. The demand pipeline was not.
Two Billion in Six Weeks
On March 24, ARM launched the AGI CPU — its first in-house data center chip in 35 years. A 136-core processor designed for AI inference. At launch, ARM disclosed a customer demand pipeline for the chip.
Six weeks later, that pipeline has doubled to $2 billion across fiscal 2027 and 2028.
ARM now claims 50% of CPU compute share among top hyperscalers. CEO Rene Haas said the data center will “soon” be ARM’s largest business. It is not yet — licensing still leads — but the trajectory is set. Data center royalties doubled year-over-year.
The Divergence That Matters
The headline numbers obscure what is actually happening inside ARM’s revenue. There are two lines: licensing and royalty. They tell different stories about different time horizons.
| Revenue Line | Q4 FY2026 | YoY Growth | What It Measures |
|---|---|---|---|
| Licensing | $819M | +29% | New chip designs signed |
| Royalty | $617M | +11% | Chips shipping today |
Licensing is a leading indicator. When a customer signs a new ARM license, they are committing to build a chip that will ship in two to three years and generate royalties for a decade. Licensing at +29% means the base of future royalty-generating designs is expanding nearly three times faster than current royalties.
This is ARM banking tomorrow’s revenue today. Record licensing of $819 million in a single quarter — record full-year licensing of $2.31 billion — means the installed base of ARM-designed silicon entering data centers in 2028 and 2029 will be dramatically larger than today’s. And today’s base already doubled its data center royalties.
The v9 architecture, now ramping into production, generates royalties at roughly twice the rate of v8. Every new hyperscaler custom chip — Google Axion, AWS Graviton, Microsoft Cobalt, NVIDIA Grace — pays v9 rates. The licensing-royalty gap will close. When it does, it closes upward.
Eight for Eight
ARM is the eighth and final link in the AI capex chain I have tracked through this earnings season. From lithography to fabrication to foundry proof to construction steel to cloud infrastructure to AI silicon to semiconductor IP — every link has beaten expectations or raised guidance. Not one missed.
Eight companies across seven layers of the AI infrastructure stack. Lithography machines, silicon wafers, foundry services, structural steel, cloud platforms, GPU accelerators, cloud compute, and now the intellectual property underneath all of it. Every one beat or raised. Zero misses across the entire chain.
This has never happened before in a single earnings season. In previous capex cycles — fiber optics in 2000, cloud computing in 2017, 5G in 2020 — at least one layer showed stress before the money reached the end of the chain. Foundries missed, or construction lagged, or chip designers warned. This time the signal propagated cleanly from ASML’s order book through TSMC’s fabrication floors through Nucor’s steel mills through Microsoft’s data centers through AMD’s GPU revenue into ARM’s licensing desk.
The Tax
ARM does not make chips. ARM does not build data centers. ARM does not sell cloud compute. ARM designs the instruction set architecture that every chip uses — and collects a royalty on every one shipped.
Count the ARM tax in the $700 billion:
- NVIDIA Grace — ARM-based data center CPU. Royalty to ARM.
- AWS Graviton — ARM-based custom silicon. Royalty to ARM.
- Google Axion — ARM-based custom silicon. Royalty to ARM.
- Microsoft Cobalt — ARM-based custom silicon. Royalty to ARM.
- Every smartphone on Earth — ARM architecture. Royalty to ARM.
- Every custom AI ASIC with an ARM core — Royalty to ARM.
ARM’s full-year royalty revenue was $2.61 billion on roughly 30 billion chips shipped. A few cents per unit. But v9 royalties run at roughly 2× v8 rates, and every new data center design uses v9. As the installed base shifts from mobile-at-v8 to data-center-at-v9, average royalty per chip rises — without ARM having to sell a single additional license.
Licensing at $2.31 billion for the full year — a record — means the number of v9 designs in the pipeline is at an all-time high. These designs become royalty-generating chips in 2028 and 2029. ARM is a royalty stream with a two-year lag, and the leading indicator just grew 29%.
The Scorecard
| Metric | Estimate | Actual | Beat |
|---|---|---|---|
| Q4 Revenue | $1.47B | $1.49B | +$20M / +1.4% |
| EPS | $0.58 | $0.60 | +$0.02 / +3.4% |
| Licensing revenue | — | $819M | +29% YoY (record) |
| Royalty revenue | — | $617M | +11% YoY |
| Full year revenue | — | $4.92B | 3rd year >20% growth |
| Q1 FY2027 guide | ~$1.25B / $0.40 | $1.26B / $0.40 | Slightly ahead |
Verdict
ARM’s quarterly beat was modest. The Q1 guidance was fine, not spectacular. On those numbers alone, you don’t get a 25% move in a day. What you get it on is the realization that ARM sits at the bottom of every AI chip design in the world and the design pipeline just doubled.
The stock is up 84% year-to-date. At $267, ARM trades at roughly 60 times forward earnings. That is expensive by any historical standard. The counter-thesis is real: if FY2027 revenue comes in below the $7.6 billion consensus, or if AGI CPU shipments slip from late 2026 into 2027, the valuation compresses violently.
But here is what the chain says. Eight companies across the entire AI infrastructure stack — from the machines that print circuits to the architecture that defines them — all cleared this earnings season without a single miss. Demand propagated from ASML through TSMC through Intel’s foundry through Nucor’s steel mills through Microsoft’s Azure through AMD’s GPUs into ARM’s licensing revenue with zero attenuation. The $700 billion in committed AI capex is not theoretical. It is showing up in every income statement along the chain.
ARM is not the most exciting link. It is the most inevitable one. You can choose your GPU vendor. You can choose your cloud provider. You can choose your foundry. You cannot choose to not use ARM. The instruction set is the constant. Every custom ASIC, every data center CPU, every AI inference chip pays the IP tax — and the rate just went up with v9.
Licensing +29%. Royalties +11%. The gap is the future arriving.
ARM (ARM) Q4 FY2026. Adj EPS $0.60 vs $0.58 est (+3.4%). Revenue $1.49B vs $1.47B est (+1.4%). Licensing $819M (+29% YoY, record). Royalty $617M (+11% YoY). Full year $4.92B. Data center royalties doubled YoY. AGI CPU demand $2B+ (2× launch). Q1 FY2027 guide $1.26B / $0.40. Stock +12% regular session, +12.6% AH. Brent ~$113. S&P 500 7,230.