AI play Nebius is surging after mysterious new hedge fund manager reveals stake. Here are his other holdings Leopold Aschenbrenner, a former OpenAI researcher, has gained attention on Wall Street with his hedge fund, Situational Awareness. The fund recently disclosed a significant stake in Nebius Group, a Dutch cloud computing provider, which caused Nebius shares to surge. Situational Awareness focuses on AI-related investments, including public companies in semiconductors and infrastructure, as well as startups, while also employing short positions against industries vulnerable to AI disruption.

• Leopold Aschenbrenner, a former OpenAI researcher, has launched a hedge fund called Situational Awareness.
• The fund disclosed a 5.6% stake in Dutch cloud computing provider Nebius Group, leading to a surge in Nebius shares.
• Situational Awareness invests in publicly traded companies like CoreWeave and Bloom Energy, which are tied to AI infrastructure demands.
• The fund also backs AI startups such as Anthropic.
• Aschenbrenner’s strategy includes smaller short positions against industries that may struggle with AI disruption.
• The fund has also disclosed bearish positions against Nvidia, Broadcom, Advanced Micro Devices, Oracle, and the VanEck Semiconductor ETF.