STXBy Calypso Research6 min read

Seagate Technology Holdings (STX) Q4 2025 Earnings Analysis

Seagate Sets Sail with $2.8B in Revenue Waves

Key Takeaways

Seagate Technology Holdings (STX) reported Q4 2025 earnings with revenue of $2.8B, representing a +21.5% year-over-year change. The stock moved +19.1% on earnings day.

The bull case: Strong HAMR technology adoption and pricing stability will sustain revenue and profitability growth.

The bear case: Delayed ramp of HAMR or weakening pricing might pressure gross margins and profitability.

Financial Highlights

  • Revenue: $2.8B (+21.5% YoY)
  • Gross Profit: $1.2B (41.6% margin, +6.7% YoY)
  • Operating Income: $846M (29.9% margin, +9.0% YoY)
  • Net Income: $593M
  • TTM Revenue: $10.1B

Stock Performance

  • Earnings Day Move: +19.1%
  • Year-to-Date: +41.7%
  • 1-Year Return: +307.1%
  • vs. S&P 500 (since earnings): +38.8%
  • vs. Nasdaq (since earnings): +40.7%

View live STX data, AI chat, and interactive debates on Calypso →

What Management Said

Here are the key debates and direct quotes from Seagate Technology Holdings's Q4 2025 earnings call:

Gross Margin Expansion and Pricing Dynamics

Sentiment: Positive

"Right now, the demand is really strong...flat to slightly up is certainly possible," and "we're managing it as we talk to our customers. The value proposition of the new drives as they go up 5, 10 terabytes at a time is pretty strong." — William Mosley
"We are executing very well, but executing a little bit better than what we discussed at our Investor Day...I'm positive we are continuing to progress in the right direction." — Gianluca Romano

HAMR Technology Rollout and Cost Implications

Sentiment: Positive

"We qualified the last big cloud service provider in the U.S. and we have qualified 6 out of 8 of the top cloud service providers. The transition from PMR technology to HAMR technology is progressing very well." — Gianluca Romano
"We necessarily constrained ourselves on the 3 terabyte per platter because the factories were fairly full...as time goes on, then we'll move off and on to the 4 terabyte per platter very aggressively." — William Mosley

Long-Term Agreements (LTAs) and Supply-Demand Balance

Sentiment: Positive

"We talked about 2 or 3 years from now. The one behavior change that I really like in the last year is that people are starting to say, if I can't get it now, I'll plan next year better and the following year better." — William Mosley
"For this calendar year...the vast, vast majority of the volume is already allocated. Calendar '27, we will start working on that fairly soon. Of course, we have very good indication and agreement on volumes, but we have not fixed the price yet." — Gianluca Romano

Exabyte Growth Expectations and Transition to Higher Densities

Sentiment: Positive

"We are planning to transition to 4 terabytes of platter fairly aggressively...it will be a fairly prescriptive ramp. It won't be as fast...but it will be very profitable." — William Mosley
"We expect exabyte -- nearline exabytes to grow in the mid-20%. We have done a little bit better if you look at the last few quarters, and we always try to extract as many exabytes as we can from our manufacturing." — Gianluca Romano

Operating Expenses and Capital Discipline

Sentiment: Positive

"We are getting closer and closer to our fourth target of 10% of revenue for OpEx. We are almost there. We should be there actually in the March quarter." — Gianluca Romano
"Now that we've kind of cleared that HAMR transition...we will take that money and reinvest in ourselves so that we can continue to drive the areal density." — William Mosley

Bull Case

Strong HAMR technology adoption and pricing stability will sustain revenue and profitability growth.

Bear Case

Delayed ramp of HAMR or weakening pricing might pressure gross margins and profitability.

Looking Ahead

With revenue growing +21.5% year-over-year, the key question is whether Seagate Technology Holdings can sustain this growth trajectory, particularly around gross Margin Expansion and Pricing Dynamics. With operating margins at 29.9%, margin trends will remain a focal point. The market's positive reaction on earnings day suggests confidence in management's direction, and the next earnings report will be a key catalyst for the stock.

Frequently Asked Questions

What was Seagate Technology Holdings's revenue in Q4 2025?

Seagate Technology Holdings reported Q4 2025 revenue of $2.8B, representing a +21.5% year-over-year change.

Did Seagate Technology Holdings beat earnings expectations in Q4 2025?

The stock rose +19.1% on earnings day, suggesting the results met or exceeded market expectations. The current bull case centers on: Strong HAMR technology adoption and pricing stability will sustain revenue and profitability growth.

What is the bull case for STX stock?

The bull case for STX centers on: Strong HAMR technology adoption and pricing stability will sustain revenue and profitability growth.

What is the bear case for STX stock?

The bear case for STX centers on: Delayed ramp of HAMR or weakening pricing might pressure gross margins and profitability.

How has STX stock performed since its Q4 2025 earnings?

STX moved +19.1% on the day of its Q4 2025 earnings report, outperforming the S&P 500 by +38.8% since earnings. Year-to-date, the stock has returned +41.7%.

Browse all 400+ earnings reports →

Learn More

Analyze STX in Real Time

This is a static snapshot. For live financial data, AI-powered chat, and interactive earnings debates for Seagate Technology Holdings and 400+ other stocks, explore the full platform.

Open STX on Calypso →

Calypso is an AI-powered equity research platform used by investment teams to cut earnings research time by over 80%.