Seagate (STX) Stock Has Already Run Hard — Is It Still Worth Buying?

TLDR

• Seagate reported Q3 FY2026 revenue of $3.11 billion, with non-GAAP EPS of $4.10 and free cash flow of $953 million.
• Q4 guidance came in above expectations at $3.45 billion in revenue and $5.00 adjusted EPS.
• AI-driven demand for high-capacity hard disk drives is pushing the storage cycle higher and faster than expected.
• Morgan Stanley and Barclays have moved price targets toward or above $1,000, with a Moderate Buy consensus from 25 analysts.
• Seagate retired $641 million in debt and returned $191 million to shareholders during the quarter.

Seagate Technology has quietly become one of the more interesting AI plays in the market — not because it makes chips, but because it makes the storage that holds everything AI produces.

Seagate Technology Holdings plc, STX

Hard disk drives were not supposed to be exciting in 2026. For years, the narrative was that HDDs were a dying business being replaced by flash and cloud. That story is being rewritten.

The company posted Q3 FY2026 revenue of $3.11 billion. GAAP gross margin came in at 46.5%, non-GAAP gross margin at 47.0%, and non-GAAP EPS hit $4.10. Operating cash flow reached $1.1 billion, with free cash flow of $953 million.

Those are not the numbers of a business in decline.

The Q4 guidance was arguably more important. Seagate forecast $3.45 billion in revenue, plus or minus $100 million, and adjusted EPS of $5.00, plus or minus $0.20. Reuters confirmed both figures beat expectations, sending the stock sharply higher.

Why AI Is Fueling HDD Demand

The connection between AI and hard drives is simpler than it sounds. As AI models get bigger and more widely deployed, cloud providers and enterprises need somewhere to store enormous amounts of data. HDDs offer a cost-effective solution at scale that flash storage can’t always match on price.

Morgan Stanley described Seagate and Western Digital as top picks, citing estimates that HDD demand could be growing 40% to 50% annually while supply only grows 30% to 35%. If that gap holds, pricing power stays firm — and margins stay healthy.

That dynamic is already showing up in Seagate’s results.

Debt Paydown and Shareholder Returns

Seagate didn’t just bank the stronger cycle. During Q3, the company retired $641 million in debt and returned $191 million to shareholders through dividends and buybacks.

That kind of balance sheet discipline separates a well-run cyclical from a momentum trade. Management is using the upcycle to clean up the books while still rewarding investors.

Wall Street has taken notice. MarketBeat shows a Moderate Buy consensus from 25 analysts — 21 buys, 4 holds, 0 sells.

Average price targets have moved from the mid-$700s toward $830, while Morgan Stanley and Barclays have pushed targets toward or above $1,000.

The stock has already run hard. Targets are chasing price, which is worth watching.

Analyst upgrades and raised targets have followed the earnings beat, with several firms revising models upward to reflect the stronger-than-expected demand environment going into fiscal Q4.

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