Nebius Group (NBIS) shares reached a record high of $298.80. The stock officially joined the Nasdaq-100 index on June 22. This inclusion triggers significant demand from index-tracking funds.

The stock has gained more than 200% year-to-date. A $27 billion AI infrastructure agreement with Meta drives this momentum. Announced in March 2026, the deal requires Nebius to provide dedicated AI computing capacity to the social media firm.

Nvidia recently invested $2 billion in the company. Strong quarterly revenue growth continues to support investor confidence. Strategic partnerships further bolster the company's market position.