Leopold Aschenbrenner

Leopold Aschenbrenner is a prominent German artificial intelligence researcher and investor, known for his involvement with OpenAI's "Superalignment" team prior to his departure in April 2024 due to an alleged information leak. He is the founder and chief investment officer of Situational Awareness LP, a hedge fund focused on investing in companies that are at the forefront of AI technology development. Aschenbrenner has also authored a notable essay titled "Situational Awareness," discussing the implications of artificial general intelligence and associated security risks. Situational Awareness LP employs a strategic investment approach that emphasizes the technology sector, particularly companies engaged in AI advancements. The firm has made significant moves in its portfolio, reflecting a keen interest in the evolving landscape of AI and related technologies. As of the latest disclosures, the firm has reported a range of portfolio adjustments, including position increases and exits, showcasing an active management style. From May 14, 2025, to May 15, 2026, Aschenbrenner's firm disclosed 128 transactions, with notable activity in major tech companies like NVIDIA Corporation (NVDA), Broadcom Inc. (AVGO), and Intel Corp (INTC). The largest disclosed move was a substantial transaction involving NVIDIA, valued at approximately $1.57 billion, underscoring the firm's strategic focus on leading technology stocks.