Nebius (NBIS) Stock Jumps 13% as Nasdaq-100 Adds AI Cloud Firm

TLDR

• Nebius Group (NBIS) will join the Nasdaq-100 effective June 22, 2026, following Nasdaq’s quarterly index reconstitution.
• NBIS surged 12.9% in after-hours trading Thursday when the news broke, extending gains Friday.
• Nebius posted Q1 2026 revenue of $399 million, up 684% year-over-year.
• The stock is up more than 160% year to date, leading all five new Nasdaq-100 additions.
• Insiders have sold $131 million in stock over the past three months, with no reported buying.

Nebius Group (NBIS) is heading to the Nasdaq-100. Nasdaq announced its quarterly index reconstitution Thursday, confirming NBIS will join effective before market open on June 22.

Nebius Group N.V., NBIS

The stock jumped 12.9% in after-hours trading Thursday when the news broke. At time of publication Friday, NBIS was trading at $229.15, up around 3%.

The Nasdaq-100 is tied to more than 200 products with over $800 billion under management worldwide. Every passive fund and ETF tracking the index will be required to buy NBIS ahead of the June 22 effective date, creating sustained buying pressure in the days leading up to it.

Nebius joins the index alongside Astera Labs (ALAB), CoreWeave (CRWV), Rocket Lab (RKLB), and Teradyne (TER). Exiting are Charter Communications, Cognizant, Insmed, Verisk Analytics, and Zscaler.

Of the five new additions, Nebius leads on year-to-date performance at 165.5%. Astera Labs is next at 120.9%, followed by Teradyne at 97.0%, Rocket Lab at 64.5%, and CoreWeave at 33.7%.

Strong Revenue Growth Drives the Move Up

The index inclusion comes on the back of a strong Q1 2026. Nebius reported revenue of $399 million for the quarter — a 684% jump from $50.9 million in Q1 2025.

Adjusted EBITDA swung to a positive $129.5 million, compared to a loss of $53.7 million in the same period last year.

Nebius is backed by Nvidia and holds long-term infrastructure agreements with both Microsoft and Meta. A multiyear $17 billion revenue agreement with Microsoft has been a key part of its growth story.

The company recently announced a £1.7 billion investment to deploy Nvidia infrastructure in the UK, a Physical AI Living Lab partnership with Nvidia for robotics startups, and a 1.2 GW AI factory in Pennsylvania.

Valuation and Insider Activity Worth Watching

Despite the momentum, some metrics give pause. NBIS trades at a P/E ratio of 73.01x, well above the broader market average.

Its GF Score sits at 52 out of 100, reflecting moderate overall performance. Financial strength rates 4/10, profitability 5/10, and growth 6/10.

Insider activity has leaned negative. Over the past three months, insiders sold $131 million in stock. No insider buying has been reported in that same window.

The Amsterdam-based company, originally carved out of Russian tech firm Yandex following Ukraine-war sanctions, now has a market cap of approximately $56.43 billion.

NBIS is up more than 160% year to date, making it one of the stronger performers in the AI infrastructure space this year.

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