Seagate grew revenue 48%, posted record free cash flow, and guided well above Wall Street’s expectations. The company that makes the hard drives storing the world’s data is turning out to be one of the quieter, cleaner ways to play the AI boom.

The AI story is usually told through chips. But every model, every training run, and every cloud service produces an ocean of data that has to live somewhere — and that is where $STX comes in. On July 28, Seagate Technology reported fiscal fourth-quarter results that blew past estimates and paired them with guidance strong enough to send the stock higher. Revenue jumped 48% year over year to $3.6 billion, adjusted earnings came in at $5.71 per share against a ~$5.10 estimate, and the company generated a record $3.1 billion in free cash flow. The results are detailed in Seagate’s Q4 FY2026 release.

This profile breaks down what Seagate reported, why the guidance is the headline, how a decades-old hard-drive maker became an AI beneficiary, and the honest risks that come with a stock that has already run a long way.

Company snapshot

Snapshot figures are widely reported company facts; the Q4 results are sourced below.

What actually happened

Seagate delivered a broad beat. Fiscal Q4 revenue rose 48% year over year to $3.629 billion, topping estimates, and non-GAAP diluted EPS of $5.71 cleared the roughly $5.10 the Street was modeling. For the full fiscal year, revenue grew 34%. Underneath the headline, the quality was exceptional: the company reported record profitability and a record $3.1 billion in free cash flow, driven by robust cloud data-center demand and disciplined cost control.

The guidance is what really moved the stock. For the coming quarter, Seagate guided revenue to about $4.10 billion and non-GAAP EPS to roughly $7.30 — both comfortably above analyst expectations. A company guiding up and by that margin is signaling that demand is not just holding but accelerating.

Free computer server room image
Illustrative photo (not the company’s own). Source: rawpixel, CC0.

The numbers that moved it

MetricFiscal Q4 2026Context
Revenue$3.63B+48% year over year
Non-GAAP EPS$5.71beat ~$5.10 est.
Free cash flow$3.1B (record)record profitability too
FY26 revenue growth+34%full-year
Q1 FY27 revenue guide~$4.10Babove expectations
Q1 FY27 EPS guide~$7.30well above expectations

Sources: Seagate Q4 FY2026 release, Seeking Alpha, Yahoo Finance, Investing.com. Figures as reported.

Two things make this stand out. First, the growth is real and large — 48% is not a rounding-error beat. Second, the cash: a record $3.1 billion of free cash flow means the demand is translating directly into money, which funds dividends, buybacks, and debt reduction. Growth and cash together is the combination investors prize most.

Six months of tape

Seagate Technology (STX) 6-month daily price chart
STX daily, 6 months. Source: StockCharts.

Seagate has been one of the market’s quieter AI winners, and the chart reflects a stock that has re-rated as investors recognized storage as part of the AI trade. A blowout quarter with raised guidance is the kind of print that validates that move rather than questioning it — though, as always with a stock that has run hard, it also raises the bar for what comes next.

Free computer server room image
Illustrative photo (not the company’s own). Source: rawpixel, CC0.

Inside the business: how Seagate became an AI winner

Seagate makes hard disk drives — the high-capacity, cost-effective storage that data centers use to hold enormous volumes of information. For years, the story was a slow, cyclical one: PC demand, commoditization, and price swings. The AI era changed the math. Training and running AI models generates staggering amounts of data, and cloud providers are building out data centers at a furious pace to keep up. All of that data needs a home, and for the bulk, cost-efficient tier, that home is a hard drive.

Seagate’s newest drives, built on advanced recording technology, pack far more capacity into each unit, which is exactly what hyperscale customers want — more storage per dollar and per watt. That is why a company once seen as a mature, cyclical hardware maker is now posting 48% revenue growth: the same secular force lifting the chip makers is lifting the storage layer beneath them.

Why this quarter matters

Three things stand out. First, the scale of the growth — 48% — shows the AI-and-cloud demand for storage is a genuine, large tailwind, not a marginal one. Second, the record free cash flow proves the growth is high-quality and converting to cash, not just top-line noise. Third, the guidance raise says management sees the momentum continuing into next quarter. For a business long dismissed as a commodity cyclical, this is a quarter that argues the story has fundamentally changed.

Keeping it real

One honest note, because it matters: storage has historically been a cyclical industry, prone to swings in pricing and demand. The current cycle is unusually strong, but cycles do turn, and a stock priced for continued acceleration can be punished if growth merely slows. Seagate shares have also already had a large run as the market embraced the storage-for-AI thesis, so a lot of good news is in the price. None of that undercuts a genuinely excellent quarter — it just means the expectations bar is now high, and high bars are harder to clear.

What to watch next

The signals to track from here are concrete: whether revenue growth and the guided trajectory hold in the coming quarters, whether free cash flow stays at these elevated levels, and whether hyperscale customers keep placing large orders for high-capacity drives. Because Seagate sits directly downstream of data-center buildout, its results also serve as a real-world gauge of how much data the AI era is actually producing — and right now, that gauge is pointing sharply higher.

The bottom line

Seagate grew revenue 48%, generated record free cash flow, and guided well above expectations — a blowout quarter that confirms storage is a real and profitable part of the AI trade. The company that stores the world’s data is converting the AI boom into record cash, which is about as clean a bull case as it gets. It carries the cyclicality every storage name does, and it has already run — but this was the kind of quarter that makes the case for Seagate as one of the AI era’s quieter winners.

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