Buffett Brain · Research note
Score updated 22 Oct 2026 · analysis from 22 Sept 2026
NBIS· Communication Services
Nebius Group
Nebius' negative ROIC and high P/E ratio indicate a lack of economic moat and overvaluation.
Buffett fit
Weak fit
Owner
21
Durability
21
Management
57
Price
20
Score updated 22 Oct 2026 · analysis from 22 Sept 2026
Buffett's checklist
Each number against Buffett's bar, and where it ranks among Communication Services stocks in our database.
How much profit the business makes on each dollar invested in it. Higher is better.
What is left of each sale after the cost of making the product. A high number often means pricing power.
The cash the business earns for its owners, compared with the price of the whole company.
How fast sales grew each year over the last five years.
How many years of today's profit you pay for at today's price. Lower means cheaper.
How much the company owes compared with what it owns outright. Lower is safer.
The four pillars
How the business measures up on each of Buffett's four tests.
Owning 100% of Nebius would present challenges due to its negative of -2.88% and high of 69.6, indicating poor capital efficiency and overvaluation.
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Nebius' durability is questionable given its negative 5-year and a revenue CAGR of -42.24%.
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The share count has decreased by 8.56% over 5 years, suggesting some activity, but the buyback yield is negligible at 0.03%.
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With an earnings yield of 1.44% and yield of -6.8%, the current price of $232.80 seems excessive.
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For and against
The strongest points on each side, with the numbers behind them.
In its favor
5- 1Net margin of 95.3% is top-quintile in the sector.
- 2Current ratio of 8.33 indicates strong short-term liquidity.
- 3Share count reduced by 8.56% over 5 years.
- 4Market cap of $63.29B suggests substantial market presence.
Concerns
7- 1 of -2.88% is below sector top-quintile and universal thresholds.
- 2 of -68.8% indicates severe profitability issues.
- 3Revenue CAGR of -42.24% suggests declining business scale.
- 4 ratio of 69.6 is high given the negative .
Price history
$159+713.3%· 5-year return
Weekly closing prices. Touch or hover the line for a date.
The business
How the business works
Nebius Group N.V. operates as a technology company focusing on AI infrastructure, including GPU clusters and cloud platforms. It also engages in AI development through Toloka AI and autonomous technology via Avride. Despite its broad tech focus, the company struggles with profitability, as evidenced by a -68.8% . The unit economics appear weak due to high capital intensity and low returns.
How this analysis has moved
The call has held across 5 reviews.
Sep 27, 2026 → Oct 22, 2026
What other investors would say
The same company, judged by three other documented playbooks.
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