Acadian Asset Management Inc.
Acadian Asset Management Inc. (NYSE: AAMI) operates as a holding company for Acadian Asset Management LLC, a leading systematic investment manager founded in 1986. The company manages approximately $178 billion in assets under management as of December 31, 2025, serving institutional investors globally through a… From the company’s description.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Acadian Asset Management Inc. does
In the company’s own words
Acadian Asset Management Inc. (NYSE: AAMI) operates as a holding company for Acadian Asset Management LLC, a leading systematic investment manager founded in 1986. The company manages approximately $178 billion in assets under management as of December 31, 2025, serving institutional investors globally through a diversified array of systematic investment strategies designed to identify and exploit structural inefficiencies in financial markets.
The firm's core business centers on providing investment management services to institutional clients including public and private pension funds, endowments, foundations, sovereign wealth funds, and other sophisticated investors across more than 40 countries. Acadian LLC comprises the company's Quant & Solutions reportable segment, representing substantially all revenue generation. The company's institutional channel accounts for over 80 percent of assets under management, with the remaining assets distributed through sub-advisory and wealth channels serving registered investment advisors, private banks, high net-worth clients, and family offices.
Acadian's product offerings span developed and developing markets, with notable capabilities in Emerging Equity, Non-U.S. Equity, Global Equity, Small Cap Equity, Enhanced Equity, Equity Extensions, Systematic Credit, and Alternatives strategies. The firm manages a universe of over 65,000 securities from more than 150 global markets using a fundamentally grounded, data-rich, and highly structured investment approach supported by sophisticated technological infrastructure and artificial intelligence applications.
The company operates with 396 full-time equivalent employees as of December 31, 2025, with significant research and investment professionals supporting portfolio management and strategy development. Acadian maintains a diversified client base without significant concentration, with the top five client relationships representing approximately 14 percent of total run-rate gross management fee revenue.
The company's website is www.acadian-inc.com. The business model generates recurring free cash flow through assets-under-management-based fees, enabling capital allocation toward seed funding for new products, strategic growth initiatives, and opportunistic share repurchases. The firm was incorporated in Delaware in 2019 following a redomestication from England and Wales, and changed its name to Acadian Asset Management Inc. effective January 1, 2025.
Company details
- Sector
- Financials
- Industry
- Banks & Brokers
- Headquarters
- BOSTON, MA
- Fiscal year end
- December
- CIK
- 1748824
- SIC
- 6282
Financial performance, year by year
Fiscal 2019–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Acadian Asset Management Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Acadian Asset Management Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
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