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SEC targets US banks in Situational Awareness hedge fund probe; NatWest steps up US expansion with Connecticut office

Reported by Thebanker
Aug 25, 2026· 2 min read
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Key Takeaways
  • • The SEC has subpoenaed Goldman Sachs, JPMorgan, Citigroup, and Bank of America to obtain information on their dealings with Situational Awareness, an AI-focused hedge fund that required emergency asset liquidation following substantial losses during July's technology sector downturn.
  • • The regulatory investigation specifically targets communications between the banks and the hedge fund, focusing on trades executed and leverage arrangements provided by Wall Street lenders—underscoring the SEC's scrutiny of prime brokerage relationships during periods of market stress.
  • • NatWest has secured Federal Reserve approval to establish a representative office in Stamford, Connecticut, as part of a broader strategy to expand its US institutional banking footprint among institutional clients.
  • • The probe reflects the SEC's heightened regulatory attention to hedge fund financing practices, particularly as leveraged lending has become an increasingly material revenue driver for major Wall Street banks.
Summary
The US Securities and Exchange Commission has initiated a formal investigation into the collapse of Situational Awareness, an AI-focused hedge fund, by subpoenaing four major Wall Street banks for detailed information on their lending and trading relationships with the fund. According to reporting from the New York Times, the SEC has issued subpoenas to Goldman Sachs, JPMorgan, Citigroup, and Bank of America requesting documents and communications related to the fund's trades and the leverage facilities these institutions provided.

Situational Awareness suffered severe losses during July's technology sector selloff, forcing the fund into an emergency asset sale to manage its positions and meet margin requirements. The regulatory action indicates the SEC is examining whether the banks' lending practices—including position monitoring, risk controls, and disclosure protocols—operated within compliance standards during the fund's financial distress.

The investigation underscores a broader regulatory focus on prime brokerage operations and leveraged lending arrangements between Wall Street banks and hedge funds. Lending to hedge funds has evolved into a significant profit center for major financial institutions, making regulatory oversight of these relationships increasingly important for market stability and investor protection.

Separately, NatWest announced that it has obtained Federal Reserve approval to open a representative office in Stamford, Connecticut, marking a strategic expansion of its US presence. The move reflects the UK-based lender's commitment to deepening relationships with institutional clients in North America and building its institutional banking capabilities across the United States.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Thebanker SEC targets US banks in Situational Awareness hedge fund probe; NatWest steps up US expansion with Connecticut office