Nebius Group's stock surges 21.3% on reports of potential acquisition of Israeli AI company AI21 Labs, valued at $1.4 billion.

Nebius Group N.V., a Dutch AI cloud provider, is in early-stage acquisition talks with AI21 Labs as of April 2026

AI21 Labs, previously valued at US$1.40 billion, is backed by major investors including Pitango, Intel Capital, Google, and Nvidia

The deal would combine Nebius' vertically integrated AI infrastructure with AI21 Labs' language models and Maestro agent platform

Strategic merger aims to strengthen Nebius' AI software capabilities alongside its existing infrastructure offerings