Earnings release
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Acadian Asset Management Inc. Reports Third Quarter Ended September 30, 2026 Results • Quarterly net inflows of $2.6 billion, representing 4% annualized organic growth, driven by Enhanced and Extension strategies; Q3'26 YTD net inflows of $28.3 billion, representing 21% annualized organic growth • AUM of $239.6 billion at September 30, 2026, up 44% y/y • Record quarterly management fees of $187.8 million, up 38% y/y • U.S. GAAP net income attributable to controlling interests of $35.5 million, up 135% y/y, and U.S. GAAP EPS of $1.00, up 138% y/y • ENI of $48.3 million, up 78% y/y, and record ENI EPS of $1.36, up 79% y/y • ENI Operating Margin of 42.6%, up 9.4pts y/y BOSTON - October 29, 2026 - Acadian Asset Management Inc. (NYSE: AAMI) reports its results for the third quarter ended September 30, 2026. Kelly Young, Acadian Asset Management Inc.’s President and Chief Executive Officer, said, "Acadian delivered its eleventh consecutive quarter of positive net client cash flows, with $2.6 billion in the third quarter, bringing AUM to $239.6 billion. Record quarterly management fees of $187.8 million, up 38% year-over-year, contributed to record ENI earnings per share of $1.36, up 79% year-over-year. As we celebrate our 40th anniversary, Acadian continues to build on its position as a leading systematic investment manager, supported by strong long-term investment performance and growing client demand for differentiated, data-driven investment strategies. Our success reflects deep research expertise, an innovative culture and a technology-driven investment process. Together with our expanding capabilities across Enhanced Equity, Extensions, Systematic Credit and Tax-Aware investing, we believe these strengths position us well to capture new growth opportunities while maintaining operating discipline. Acadian’s long-term investment performance remained strong. As of September 30, 2026, 96% of Acadian’s strategies by revenue beat their respective benchmarks over the prior 3-, 5-, and 10- year periods, respectively. Our strong cash generation continues to strengthen our balance sheet and enhance our financial flexibility, positioning us to invest in future growth while maintaining a disciplined approach to capital management and shareholder returns.” Contact: Investor Relations ir@acadian-inc.com (617) 369-7300 Exhibit 99.1
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Forward-Looking Statements This communication includes forward-looking statements which may include, from time to time, anticipated variable compensation and distribution ratios, cash flows or earnings growth profile, anticipated performance and growth of the Company’s business going forward, expected distribution initiatives and new product offerings, expected sector trends and their potential impact, expected future free cash flows, expected uses of capital, and capital management, including expectations regarding investing in organic growth and returning capital to shareholders. The words or phrases ‘‘will likely result,’’ ‘‘are expected to,’’ ‘‘will continue,’’ ‘‘is anticipated,’’ ‘‘can be,’’ ‘‘may be,’’ ‘‘aim to,’’ ‘‘may affect,’’ ‘‘may depend,’’ ‘‘intends,’’ ‘‘expects,’’ ‘‘believes,’’ ‘‘estimate,’’ ‘‘project,’’ and other similar expressions are intended to identify such forward-looking statements. Such statements are subject to various known and unknown risks and uncertainties and readers should be cautioned that any forward-looking information provided by or on behalf of the Company is not a guarantee of future performance. Actual results may differ materially from those in forward-looking information as a result of various factors, some of which are beyond the Company’s control, including but not limited to those discussed elsewhere in this communication. Additional factors that could cause actual results to differ from the forward-looking statements in this release include: our financial results are dependent on Acadian Asset Management LLC; our reliance on key personnel; our use of a limited number of investment strategies; our ability to attract and retain assets under management; the potential for losses on seed and co-investment capital; foreign currency exchange risk; risks associated with government regulation; and other factors that may be described in the Company's most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 27, 2026. Due to such risks and uncertainties and other factors, the Company cautions each person receiving such forward-looking information not to place undue reliance on such statements. Further, such forward-looking statements speak only as of the date of this communication and the Company undertakes no obligations to update any forward-looking statement to reflect events or circumstances after the date of this communication or to reflect the occurrence of unanticipated events. This communication does not constitute an offer for any fund managed by the Company or any subsidiary of the Company. Non-GAAP Financial Measures This communication contains non-GAAP financial measures. Reconciliations of non-GAAP to GAAP financial measures, along with certain segment measures, are included in the Supplemental Information, Reconciliations and Disclosures section of this communication.