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Investment ManagementPennsylvania, United States51-200 Employees

AJO is an independent, registered investment advisor and limited partnership founded in 1984 by Ted Aronson. It is based in Philadelphia, Pennsylvania, with an additional office in Boston. The firm provides investment strategies across the market-cap spectrum of U.S., emerging markets, and global equities, with portfolios that can be long-only or long/short.

AJO emphasizes a combination of traditional security analysis, quantitative investment techniques, and active trading. It targets asset-rich companies trading at relatively low earnings multiples with proven management, upward momentum, and favorable investor sentiment. Its focus spans U.S. equities, emerging markets, and global equities, offering both benchmark-relative and absolute-return approaches.

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