Our Firm

Collateral-Based Credit Specialists

An alternative credit platform focused on cross-cycle asset-based and structured credit investing.

Our Firm

Collateral-Based Credit Specialists Since 2008

One William Street Capital Management, L.P. is a New York–based registered investment adviser* founded in 2008 by David Sherr, who has over 35 years of experience in asset-based credit investing.

The firm is led by seven principals with extensive asset-based credit and management experience — and a long history of working together. Our goal is to generate attractive cross-cycle risk-adjusted returns, with an emphasis on capital preservation, by actively managing a diversified portfolio of asset-based and structured credit investments.

Our investment process combines bottom-up fundamental credit underwriting with top-down portfolio construction, leveraging proprietary in-house analytics and a dedicated risk management infrastructure.

$9.0B
in assets under management across multiple investment vehicles and strategies
7
principals with deep asset-based credit experience across market cycles
31+ yrs
average industry experience among firm principals
70+
investment professionals powering specialized collateral underwriting & active portfolio construction across public & private markets
Investment Philosophy

An Integrated Investment Philosophy & Approach

Six disciplines, one platform — combining rigorous underwriting with dynamic portfolio and risk management.

Consistent Risk-Adjusted Returns

Aims to provide clients superior, risk-adjusted returns as exemplified by our nearly 20-year track record.

Relative Value Emphasis

Constantly evaluating cross-sector investments to identify what we view to be the most attractive relative value opportunities.

Collateral Analysis

Rigorous bottom-up fundamental credit underwriting with diligent stress testing to analyze adverse credit scenarios.

Origination Platform

Cross-sector access via forward flow, warehouse, whole loan, and bespoke securitization structures.

Highly Structured Deal Terms

Seeks to structure terms to optimize risk allocation, tailor exposures, and control workout strategies.

Active Risk Management

Continual fundamental credit surveillance with a top-down risk management overlay across the portfolio.