SEI Investments Co (SEIC) stock

SEI Investments Co grew revenue 12.8% to $2.53B over the twelve months to Sep 30, 2026. Operating income rose 22.1% to $746.12M, moving the operating margin from 27.2% to 29.4%. Free cash flow was $665.45M, up 2.3% from a year earlier. At the latest close the market valued the company at $12.92B, 18.9 times its earnings.

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Index membership is inferred from the holdings of funds that track each index (IJH, SPMD, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.

SEI Investments Company delivers financial technology, operational infrastructure, and asset management solutions that integrate investment advice, portfolio administration, and asset management functions. The firm operates across four primary business segments: Investment Managers, Private Banks, Investment Advisors, and Institutional Investors, alongside a segment dedicated to new business ventures. Its offerings include front-to-back office technology platforms, business process outsourcing, fund administration, custody, regulatory compliance, and customized investment strategies such as model portfolios, collective investment trusts, and exchange-traded funds. SEI serves a diverse client base comprising investment managers, private banks, registered investment advisors, broker-dealers, institutional investors, family offices, and individual high-net-worth clients.