One William Street Capital Management, L.P.

About One William Street Capital Management, L.P.

One William Street Capital Management, L.P. is an investment adviser headquartered in New York City and founded in 2008 by David Sherr. The firm describes itself as an alternative credit platform focused on asset-based and structured credit investing across public and private markets in North America and Europe. It registered with the SEC as an investment adviser in June 2009 and with the CFTC as a commodity pool operator in January 2013. Through wholly-owned direct lending subsidiaries, it originates, underwrites and manages commercial mortgage loans under the OWS Real Estate Finance, LLC brand.

The firm's investor base is primarily institutional, including pensions and sovereign wealth funds, and it reports about $9.0 billion in assets under management across multiple vehicles. Its stated strategies span fundamental credit, relative value, event-driven situations and loan opportunities such as residential whole loans and commercial real estate loans. Its contact page lists an office at 299 Park Avenue, 25th Floor, New York, NY 10171.

Organization profile based on its official website and public sources (reviewed October 30, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with One William Street Capital Management, L.P..

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