- Sector
- Financial Services
- Industry
- Asset Management
- Address
- 2 Oliver St Boston MA United States of America 02109
- IPO Date
- Feb 28, 1996
- Business
- SEI Institutional Managed Trust S&P 500 Index Fund Class F (SSPIX) is an open-end mutual fund that seeks investment results corresponding to the aggregate price and dividend performance of the securities in the S&P 500 Index. The fund invests substantially all of its assets, at least 80%, in securities listed in the S&P 500 Index, which comprises approximately 500 leading U.S. large-cap companies; it maintains a portfolio heavily weighted toward technology (36.08%), financial services (12.30%), and consumer cyclical (10.43%) sectors, with top holdings including NVIDIA Corp., Apple Inc., Microsoft Corp., Amazon.com Inc., and Broadcom Inc. As part of the SEI Institutional Managed Trust (SIMT), a suite of institutional mutual funds managed by SEI Investments Management Corporation (SIMC), a subsidiary of SEI Investments Company, SSPIX targets institutional investors with a minimum initial investment of $100,000 and features a net expense ratio of 0.25%.
The fund, domiciled in the United States and available for sale within the country, focuses on large-blend style U.S. equities, with approximately 97.48% allocation to U.S. stocks and minor cash holdings of 2.14%; total net assets stand at around $1.11 billion. SEI Investments Company, founded in 1968 and headquartered in Oaks, Pennsylvania, provides broader investment management, processing, and operations solutions globally through subsidiaries, supporting funds like SSPIX across North America, Europe, Asia, and other regions.
Recent developments at SEI Investments include the completion of the first stage of a strategic investment in Stratos Wealth Holdings, acquiring approximately 57.5% equity for $441 million as part of a potential full ownership transaction, alongside a $650 million expansion of its stock repurchase program to $773.2 million total authorization. In March 2025, SEI launched SEI Strategies with Capital Group, a new lineup of all-ETF model portfolios combining SEI's asset allocation expertise with Capital Group's ETFs to address evolving wealth management needs. Additionally, in December 2025, SEI announced a 6.1% increase in its semi-annual dividend to $0.52 per share and planned leadership transition with founder Alfred P. West, Jr. retiring from the board effective January 1, 2026, and independent director Carl A. Guarino appointed as chairman.