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SEI Investments Company (SEIC) is a financial services company in the large client wealth management industry, based in Oaks, United States, with about 4,997 full-time employees.
It reported revenue of $2.30 billion for fiscal year 2025, up 8.1% from fiscal year 2024, and net income of $715.31 million. In Q2 2026 (the quarter ended June 30, 2026) revenue was $641.62 million, up 14.7% from a year before. Its largest business segment, Investment Managers, brought in 35% of segment revenue in fiscal year 2025; United States was the largest region with 85%. Its market capitalization was $12.57 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
SEI Investments Company is a publicly owned asset management holding company. Through its subsidiaries, the firm provides wealth management, retirement and investment solutions, asset management, asset administration, investment processing outsourcing solutions, financial services, and investment advisory services to its clients.
SEI Investments reported $2.30 billion in revenue for fiscal year 2025, up 8.1% from $2.13 billion in fiscal year 2024. In Q2 2026 revenue was $641.62 million.
Investment Managers, with $815.01 million or 35% of segment revenue in fiscal year 2025. Next: Investment Advisors (25%) and Private Banks (25%).
United States: 85% of revenue by region in fiscal year 2025, followed by United Kingdom (7%).
$12.57 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (large client wealth management) include UBS Group AG (UBS), Northern Trust Corporation (NTRS), Blue Owl Capital Inc. (OWL), Affiliated Managers Group, Inc. (AMG).