SEIC vs PNW Comparison

SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers. SEI also has a minority interest in LSV Asset Management, a value equity asset manager with about $99 billion in assets under management. As of December 2025, SEI (including LSV) manages, administers, or advises about $1.9 trillion in assets.

Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.5 million customers across a 35,000-square-mile territory in central Arizona, including the Phoenix area. APS owns or leases 6.5 gigawatts of power generation capacity, including a 29% ownership stake in one of the largest nuclear plants in the US, Palo Verde. Half of the electricity that APS supplies to customers comes from clean energy sources, including nuclear.