Nebius (NBIS) Stock Surges to Record Peak Amid AI21 Labs Acquisition Rumors

Quick Summary

• Nebius (NBIS) shares reached a record peak of $141.14 this week, climbing 21.1% from the previous Friday’s closing price through Thursday’s session.
• The AI infrastructure provider has surged 25% over the trailing week and an impressive 549% year-over-year.
• Media reports surfaced Thursday indicating Nebius is engaged in acquisition discussions with AI21 Labs, an Israeli artificial intelligence startup.
• Cantor Fitzgerald launched coverage with an overweight recommendation and established a $129 price objective.
• Bank of America maintains a $150 buy rating; BWS Financial projects a $200 target after the company landed a $12 billion agreement with Meta.

The AI infrastructure specialist Nebius Group experienced an exceptional trading week. The company’s shares peaked at an unprecedented $141.14 during Thursday’s session and extended gains Friday, reaching an intraday high of $149.80.

Nebius Group N.V., NBIS

Measured from last Friday’s market close through Thursday’s trading, shares appreciated 21.1%, based on data from S&P Global Market Intelligence. This advance followed a 7.9% increase during the preceding week.

Year-to-date performance shows NBIS shares up approximately 549%. The enterprise currently commands a market capitalization hovering around $34.49 billion.

Two primary factors propelled the weekly advance. First, The Information published a Thursday report revealing that Nebius has entered negotiations to purchase AI21 Labs, an Israeli firm specializing in artificial intelligence solutions for corporate customers.

Given that Nebius rarely pursues acquisition opportunities, market participants took immediate notice of the development. However, no transaction has been finalized, and negotiations remain subject to potential collapse.

The secondary driver came from new Wall Street coverage. According to Thefly.com, Cantor Fitzgerald launched research on NBIS with an overweight stance and established a $129 valuation target.

Wall Street Price Objectives Accumulate

BofA Securities has also assigned a buy recommendation on the equity with a $150 valuation objective. BWS Financial takes a more aggressive position, establishing a $200 target following Nebius’s successful acquisition of a $12 billion partnership with Meta Platforms, which includes potential expansion to an additional $15 billion. Implementation of that arrangement is scheduled to commence in early 2027.

InvestingPro identifies the stock as potentially trading above its Fair Value calculation, positioning it among the platform’s most richly valued equities.

Valuation metrics appear elevated across multiple measures. NBIS currently commands a multiple of 896 times its operating cash flow.

Operational Developments Fueling Growth

Beyond equity market performance, Nebius has executed significant capital and infrastructure initiatives. The organization priced a $4 billion convertible senior notes issuance in early 2026, expanded from an originally planned $3.75 billion. The debt instruments carry maturity dates in 2031 and 2033.

Nebius has also unveiled intentions to construct a 310 MW artificial intelligence facility in Lappeenranta, Finland. The installation is projected to commence operations by 2027 and would represent one of Europe’s largest AI processing centers.

Management has established an objective of securing more than 3 GW of committed power capacity by the conclusion of 2026.

During Friday’s session, NBIS traded near $146.40, within a daily trading band of $134.88 to $149.80. Trading volume registered approximately 666,000 shares, substantially below the 15 million share average.

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