SEI Investments Company

Expanded Mutual Fund Integration, Tax Transition, and Gains Budget Capabilities Help Advisors Align Portfolios with Investor Objectives OAKS, Pa., Sept. 22, 2026 /PRNewswire/ -- SEI ® (NASDAQ: SEIC) today announced enhancements to its integrated tax management capabilities for separately managed accounts (SMAs) and unified managed accounts (UMAs), expanding advisors' ability to personalize portfolios, manage embedded unrealized gains, and pursue improved after-tax outcomes for investors.

SEI Investments Company (SEIC) up 1,099% since institutions first bought big in 2000.

Engineers Gate Manager LP trimmed its holdings in shares of SEI Investments Company (NASDAQ: SEIC) by 11.8% in the second quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund owned 38,836 shares of the asset manager's stock after selling 5,197 shares

SEI Investments stock touches a new 52-week high as revenues, client assets, and LSV flows strengthen, with technology and outsourcing growth supporting its outlook.