COSTBy Calypso Research8 min read

Costco (COST) Q4 2025 Earnings Analysis

What Costco's Q4 Earnings Tell Us About What's Next

Key Takeaways

Costco (COST) reported Q4 2025 earnings with revenue of $69.6B, representing a +9.2% year-over-year change. The stock moved +1.6% on earnings day.

The bull case: Costco’s disciplined price leadership, accelerating tech/digital capabilities, and sustained 30+ unit global expansion underpin durable high-single-digit sales growth, modest margin expansion, and rising membership monetization over a long runway.

The bear case: Rising digital sign-ups with lower renewal, mounting competition (including in China), deflation in key staples, and management’s bias to reinvest tech, media, and margin gains into price could cap earnings leverage and make Costco’s premium valuation vulnerable if comps normalize.

Financial Highlights

  • Revenue: $69.6B (+9.2% YoY)
  • Gross Profit: $8.9B (12.8% margin, +0.2% YoY)
  • Operating Income: $2.6B (3.7% margin, +0.1% YoY)
  • Net Income: $2.0B
  • TTM Revenue: $286.3B

Stock Performance

  • Earnings Day Move: +1.6%
  • Year-to-Date: +16.8%
  • 1-Year Return: +6.8%
  • vs. S&P 500 (since earnings): +10.5%
  • vs. Nasdaq (since earnings): +12.5%

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What Management Said

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

Margin Durability vs. Ongoing Price Investment (Core-on-Core, Gross Margin & Tariffs)

Sentiment: Positive

"overall we look at it as being up by 5 basis points in the quarter and being able to achieve that growth when we were also lowering prices for members and managing the impact of tariffs… the team did a really good job of being able to stay the course in making sure we're delivering more value while also being able to deliver a good financial outcome for our shareholders." — Gary Millerchip
"we do think through some of the efficiencies that we create, we can -- we are slightly expanding margin, but it's only slightly because, as Ron mentioned, really where we see meaningful benefit, we're reinvesting in the member to make sure that we're driving top line sales." — Gary Millerchip

Membership Growth, Renewal Rates & Digital Member Quality

Sentiment: Positive

"we saw -- I think you heard us say in the prepared remarks, 7.5% growth in membership fee income if you adjust out the fee increase and FX… the bigger part of that was the 9% growth in upgrades… but the overall paid membership was… up about 4.8% during the quarter… it's a little bit lower than it's been over the last year or so." — Gary Millerchip
"we probably have a few more quarters where we'd expect to see a continuation of a slight decline in the renewal rate because there is that sort of math where those numbers are feeding into the overall renewal calculation… we are seeing and showing some impact of the benefit of those [retention] programs… and we'll be targeting for that to continue." — Gary Millerchip

CapEx Intensity, Real Estate Creativity & Long‑Term Unit Growth (30+ Warehouses/Year)

Sentiment: Positive

"we feel like that, that 30 sort of target a year is there to be achieved for that sort of time horizon… and roughly just over half of those, we think, would be in the U.S. and just under half would be in the rest of the world." — Gary Millerchip
"we are getting a little more creative with the use of things like parking decks… what we're doing in Los Angeles with the residents above our locations… if we want to get into some of these inner cities, you're not going to find 25 acres available for us to go into… it's a little newer to the U.S. But we feel very good about how we can be efficient [and] maintain the Costco experience." — Ron Vachris

Technology, Automation & AI: Cost Savings vs. Member Experience & Labor Reinvestment

Sentiment: Positive

"the digital enhancements we're making both online and in the warehouse have all been very beneficial… adoption of the new digital enhancements have really allowed us to maintain the staffing we have in place and then handle this new growth of volume we're seeing… So it is really -- it's very accretive to us handling this new volume and being efficient as we do that." — Ron Vachris
"our focus with AI in general is where can it make us better at who we are? We're not really trying to chase things that aren't core to Costco… where are the places that we think AI can make us better for our members, can deliver more value for our members, can help our employees be more productive so that we can pay them better and we can deliver more value for our members." — Gary Millerchip

Inflation/Deflation, Gold & Gas: How Much of the Comp is Sustainable?

Sentiment: Positive

"we've been talking about low to mid-single-digit inflation. It was slower in the second quarter, trending towards sort of low single digits… we've seen deflation in produce, eggs, butter, cheese… We do still see some areas… that are inflationary. Beef remains fairly inflationary. And candy is still seeing… commodity impacts there as well." — Gary Millerchip
"directionally to your point, the inflation as in the actual price increases would only have been a fraction of the total [ticket growth], and the mix changes and the increasing units would have been a meaningful part of the growth as well… it's broader than gold bars, but I think certainly, gold bars have been a great example for us… it's been a nice surprise… helped elevate other parts of our business." — Gary Millerchip

Bull Case

Costco’s disciplined price leadership, accelerating tech/digital capabilities, and sustained 30+ unit global expansion underpin durable high-single-digit sales growth, modest margin expansion, and rising membership monetization over a long runway.

Bear Case

Rising digital sign-ups with lower renewal, mounting competition (including in China), deflation in key staples, and management’s bias to reinvest tech, media, and margin gains into price could cap earnings leverage and make Costco’s premium valuation vulnerable if comps normalize.

Looking Ahead

Investors will be closely watching Costco's next quarterly report for continued execution, particularly around margin Durability vs. Ongoing Price Investment (Core-on-Core, Gross Margin & Tariffs). With operating margins at 3.7%, margin trends will remain a focal point. The muted stock reaction on earnings day suggests the market is taking a wait-and-see approach, and the next earnings report will be a key catalyst for the stock.

Frequently Asked Questions

What was Costco's revenue in Q4 2025?

Costco reported Q4 2025 revenue of $69.6B, representing a +9.2% year-over-year change.

Did Costco beat earnings expectations in Q4 2025?

The stock moved +1.6% on earnings day, suggesting the results were roughly in line with market expectations. The current bull case centers on: Costco’s disciplined price leadership, accelerating tech/digital capabilities, and sustained 30+ unit global expansion underpin durable high-single-digit sales growth, modest margin expansion, and rising membership monetization over a long runway.

What is the bull case for COST stock?

The bull case for COST centers on: Costco’s disciplined price leadership, accelerating tech/digital capabilities, and sustained 30+ unit global expansion underpin durable high-single-digit sales growth, modest margin expansion, and rising membership monetization over a long runway.

What is the bear case for COST stock?

The bear case for COST centers on: Rising digital sign-ups with lower renewal, mounting competition (including in China), deflation in key staples, and management’s bias to reinvest tech, media, and margin gains into price could cap earnings leverage and make Costco’s premium valuation vulnerable if comps normalize.

How has COST stock performed since its Q4 2025 earnings?

COST moved +1.6% on the day of its Q4 2025 earnings report, outperforming the S&P 500 by +10.5% since earnings. Year-to-date, the stock has returned +16.8%.

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