Jabil Built the Robots and Raised the Guide — Then the Tape Said 'No Thanks'
A record $8.5B revenue raise, a segment renamed around physical AI, and a stock 22% off its high. The gap is the whole story.
JBL · Earnings Call · 2026-09-30
The $8.5 Billion That Nobody Bought
By the numbers, Jabil's fiscal fourth quarter was a clean sweep. Revenue of roughly $10.6 billion rose 29% year over year, core EPS of $4.40 climbed 34%, and management laid out a fiscal 2027 that would add $8.5 billion of revenue on top of the $6 billion added in fiscal 2026. Adam Berry, opening the ninth annual investor briefing, didn't undersell it: “we're anticipating adding in excess of $8.5 billion of revenue in fiscal '27 after having added over $6 billion in fiscal '26. That's an unprecedented amount of growth for Jabil.” — Adam Berry, Senior Vice President · 2026-09-30
The market's response was a shrug — or worse. Jabil's stock sits about 22% below its June 15 peak and is down 13% over the last 90 trading days. A company delivering its best guidance in history is being sold. That contradiction is the dossier.
Two Tapes, One Company
The first thing to understand is that this is not a Jabil-specific verdict. Look at the market's own theme tape: over a 360-day window, the AI hardware complex was the market's clearest winner — high bandwidth memory stocks up over 120%, co-packaged optics names up more than 80%, and the broad AI data centers cohort up better than 60%. Then look at the last 30 days: the same complex rolls over. AI data centers fall roughly 6%, high bandwidth memory drops 7.5%, co-packaged optics slide 5%. The 30-day tape has voted against the very infrastructure Jabil just guided to grow 54%.
So when Matt Crowley says “Demand for AI infrastructure remains strong and continues to accelerate,” — Matt Crowley, Segment Leader · 2026-09-30 he is describing a demand signal that the equity market has, for the moment, decided to fade. Jabil's ~$14.4 billion of AI-related revenue is projected to reach ~$22.1 billion in fiscal 2027 — another $7.7 billion at a higher growth rate on a much larger base. The fundamentals are accelerating into a tape that is de-rating. That divergence, not any Jabil execution stumble, is what a new investor is being asked to underwrite.
The Rename Is the Real Signal
The genuinely fresh item this quarter is structural, not financial. Jabil renamed its third segment from Connected Living and Digital Commerce to Intelligent Devices and Robotics — or IDR. A onetime consumer-electronics-heavy bucket is being formally repositioned around automation, warehouse and retail robotics, and humanoid machines. The keyword history tells you this has been building: physical AI spiked as a company theme earlier in 2026, then faded — and it now reappears baked into a segment name and a strategy, not just a talking point.
CEO Mike Dastoor is refreshingly honest that the revenue isn't here yet: “if you look at physical AI, it's still very, very early commercialization stage. Real-world deployment is negligible, especially in the West.” — Mike Dastoor, Chief Executive Officer · 2026-09-30 That echoes almost verbatim what he told analysts back in March 2026 — “physical AI is in its very early commercialization stage. There's very little real world deployment.” — Michael Meheryar Dastoor, Chief Executive Officer · 2026-03-18 For at least three consecutive quarters, physical AI has been the promise rather than the earnings. The rename is management saying: we intend to own the theme as it commercializes, even before it shows up in the P&L. Rafael Reno's example is telling — a customer, Symbotic, has scaled from 10,000 warehouse bots in 2025 to nearing 20,000, and Jabil is now engaging on humanoid actuators and robotic hands.
The Asset-Light Math and the Memory Squeeze
The defensible part of the Jabil bull case is the financial model, and it is not new — but it is genuinely rare. The company leans hard on being engineering-led and asset light, guiding net capital expenditure to 1.5%–2% of revenue while adding roughly 4 million square feet of capacity. That shows up as a differentiating return profile: core ROIC near 59%, with capital expenditure running at a fraction of revenue even as it builds for AI. Guidance for fiscal 2027 is 6.1% core operating margin — only 30 basis points of expansion, which is the quiet disappointment hiding inside the exciting revenue number.
The risk management flagged most pointedly isn't demand — it's supply. Chief Supply Chain Officer Frank McKay warned that memory is being pulled toward AI and away from everything else: “Memory in particular is being reallocated towards AI and hyperscale demand, tightening supply across many of the diversified end markets that we serve.” — Frank McKay, Chief Supply Chain Officer · 2026-09-30 That is not an isolated warning. Micron reported the same day, centering its commentary on memory supply, wafer output and conventional DRAM — the two companies are describing opposite ends of one squeeze. Jabil also hedged its outlook explicitly around co-packaged optics and memory constraints, a reminder that the AI build-out's bottleneck has migrated from GPUs to the components sitting next to them.
The Shape of the Year Is the Skeptic's Ammunition
The single sharpest challenge on the call came from Goldman's Mark Delaney, who noted that annualizing Q1 guidance already gets you to roughly $44 billion — implying a flattish rest-of-year trajectory. Mike Dastoor's answer leaned on seasonality: “I think you'll see a little bit of a drop in Q2 just from seasonality” — Mike Dastoor, Chief Executive Officer · 2026-09-30 — and CFO Greg Hebard added that “the shape of the year will be very similar to last year” — Greg Hebard, Chief Financial Officer · 2026-09-30, with margins back-end loaded as new capacity fills. The company also tempered the physical-AI contribution for fiscal 2027 to a deliberately conservative number.
So which is it? A management team that has spent the last two quarters insisting on “6%+ margins, and I do add the plus after the 6%” — Mike Dastoor, Chief Executive Officer · 2026-06-17 is now guiding a repeat-year margin step-up of just 30 basis points, on an asset-light base, with its most exciting narrative (robotics) explicitly deferred to FY28 and beyond.
The Bottom Line
Jabil is riding a broad, real, multi-year wave — Energy Infrastructure, AI infrastructure, and now physical AI — and it is doing so with a genuinely differentiated asset-light model and aggressive buybacks. But the stock's 22% drawdown says the market already paid for much of this and is now demanding proof, especially with a flattish implied revenue ramp and a supply chain squeeze in memory. The story to watch isn't whether Jabil hits the $8.5 billion — it's whether the AI hardware tape that abandoned the group over the last 30 days comes back before Jabil's committed capacity has to justify itself.