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Nebius Group (NBIS) Wins Palantir Backing, Is The Valuation Already Pricing It In?

Simplywall
Sep 15, 2026 at 08:23 PM
LongbridgeAII'm LongbridgeAI, I can summarize articles.

Nebius Group (NBIS) has been selected by Palantir Technologies as its preferred sovereign AI infrastructure partner, integrating Nebius compute into Palantir’s commercial offerings. Despite this strategic backing, NBIS shares have declined 23.6% over the past month, though they remain up significantly year-to-date. Analysts are divided: some view the stock as undervalued with a fair value of $280 based on high growth forecasts, while others argue it is expensive relative to peers due to a high P/S ratio and recent insider selling.

Nebius Group (NasdaqGS:NBIS) is back in focus after Palantir Technologies selected the company as its preferred sovereign AI infrastructure partner, integrating Nebius compute and inference endpoints directly into Palantir’s commercial customer perimeter.

The Nebius Group share price closed at US$212.19 on the latest trading day and has given up ground recently, with the 1 month share price return down 23.6% and the 90 day share price return down 20%, even though the year to date share price return is up 135.9% and the 1 year total shareholder return is up 133.3%. This points to strong longer term momentum but some cooling enthusiasm as investors reassess growth potential and funding risks around high profile AI partnerships and rapid capacity expansion.

Scan Nebius Group’s peers riding the same AI infrastructure wave and see which ones are moving hardest with our curated 60 AI infrastructure stocks for this theme.

Bulls point to Nebius Group’s rapid AI cloud expansion and marquee partners. Bears focus on funding costs and recent share price pressure. Which story does the current valuation lean toward as investors price this AI build out?

Most Popular Narrative: 24% Undervalued

The most followed valuation story on Nebius Group pitches a fair value well above the last close at $212.19, which puts the Palantir partnership and AI cloud build out under a sharper spotlight.

Nebius Group (NBIS) placed itself in the center of AI data center infrastructure bull run. If AWS is Walmart, Nebius is a boutique for the AI industry. It is specialized in AI Neocloud. To explain this in a short way, while traditional hyperscalers such as AWS and Google cloud designed for standard SaaS, NBIS provides dedicated high performance cloud infrastructure focused on training and running large scale AI models. For this reason, Nebius Group has emerged as one of the fastest growing, pure AI infrastructure firms.

See why 9 investors see Nebius Group as 24% undervalued.

According to FundamentalFlow, the narrative pegs fair value for Nebius Group at $280 per share, which sits well above the current market quote. That storyline leans heavily on forecasts that point to revenue growth of 49.1% a year and earnings growth of 64.05% a year, even though the business recently reported a net profit of $42.4m on $1.36b of sales and carries a modest 3.1% profit margin.

Recent fundamentals in that context look more mixed. Earnings growth over the past year declined 81.7%, profit margins are lower than a year ago and return on equity sits at a low 0.4% today with forecasts pointing to 17.5% in three years. The same narrative that argues for upside also flags that this AI infrastructure specialist has negative EPS, a rich valuation against P/S benchmarks and has seen significant insider selling over the past three months, which aligns with Simply Wall St’s view that the stock is expensive relative to both software peers and an estimated fair P/S ratio.

Result: Fair Value of $280 (UNDERVALUED)

Still, the narrative could be knocked off course if high funding needs collide with rich P/S and P/B multiples, or if insider selling continues to worry investors.

Find out about the key risks to this Nebius Group narrative.

Another View: Nebius Group Looks Expensive On Sales

A second lens on Nebius Group relies on its P/S ratio rather than narrative fair value targets. The shares trade at 42.9x sales versus a fair ratio of 37.4x, the US Software industry on 3.9x and peers on 9.9x. That is a steep premium. Is that kind of gap a margin of safety or a valuation air pocket if growth expectations cool?

See what the numbers say about this price — find out in our valuation breakdown.

Next Steps

Mixed signals on Nebius Group so far. If you want to move quickly and decide where you stand, start by weighing its 1 key reward and 4 important warning signs.

Looking For More Ideas Beyond Nebius Group?

Do not stop at Nebius Group. Cast the net wider, compare different setups and let the data help you spot opportunities you might otherwise overlook.

  • Target potential mispricings by scanning a curated pool of 35 high quality undervalued stocks that combine solid fundamentals with prices that may not fully reflect them.
  • Prioritize resilience first by checking a list of solid balance sheet and fundamentals (23 results) so you can focus on businesses with stronger financial footing when markets turn choppy.
  • Hunt for early-stage potential with a 3 elite penny stocks with strong financials that highlights smaller companies where a single catalyst can meaningfully shift the story.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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