Acadian Asset Management Inc. AAMI

What this company does

Acadian Asset Management Inc. operates a systematic investment management business through its majority owned subsidiary, Acadian Asset Management LLC. As of December 31, 2025, Acadian LLC had approximately $178 billion of assets under management and offered institutional investors across the globe access to a diversified array of systematic investment strategies designed to meet a range of risk and return objectives. Acadian LLC applies a range of investment and risk considerations to a universe of 65,000-plus securities taken from over 150 global markets. The firm's clients were domiciled in more than 40 countries across the globe as of December 31, 2025. As of December 31, 2025, it had 396 full-time equivalent employees, of which 20 are at Hold Co. As of December 31, 2025, its top five client relationships represented approximately 14% of total run rate gross management fee revenue, and its top 25 clients represented approximately 33% of run rate gross management fee revenue. Acadian LLC comprises the company's Quant & Solutions reportable segment. The predecessor of AAMI was formed in 1980, and it was incorporated on May 29, 2014 as a private limited company under the laws of England and Wales before completing a redomestication process to become a Delaware corporation on July 15, 2019.

Written from the business description in Acadian Asset Management Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 27 February 2026. Every sentence was checked against that document before publication.