SEI Asset Allocation Trust Aggressive Strategy Fund Class I (SEAIX) is an open-end mutual fund that seeks long-term capital appreciation through a diversified portfolio of underlying SEI funds and exchange-traded products across multiple asset classes, including equity funds, bond and money market funds, real estate funds, and multi-asset funds. The fund predominantly invests in other SEI funds managed by sub-advisers under the supervision of SEI Investments Management Corporation (SIMC), with allocations typically emphasizing higher equity exposure such as 42.75% U.S. stocks and 31.72% non-U.S. stocks alongside fixed income holdings like 13.98% U.S. bonds and 6.39% non-U.S. bonds; it offers Class I shares with a minimum initial investment of $100,000, a net expense ratio of 1.19%, and daily pricing for investors in the United States. Launched on November 17, 2003, and domiciled in the United States, the fund is part of SEI Asset Allocation Trust, which also includes related strategies like Defensive (SEDIX), Conservative (SICIX), Moderate (SMSIX), Core Market (SCMSX), and Market Growth (SMGSX).
Portfolio managers Bryan Hoffman (since July 31, 2016) and Ryan Marcante (since July 31, 2022) oversee the fund's dynamic asset allocation, with a recent portfolio turnover rate of 45% and total net assets of approximately $107 million as of late 2025. The fund targets institutional and high-net-worth investors seeking global moderately aggressive allocation exposure, categorized by Morningstar as prioritizing capital appreciation with volatility akin to 70-85% equity positioning and no more than 75% in U.S. securities.
In recent developments, SEI Investments Company, the parent organization overseeing SIMC, reported strong financial performance in 2025, including Q3 revenue growth of 8% and operating income up 11% year-over-year, alongside a strategic investment and business partnership with Stratos Wealth Holdings announced in July 2025 to enhance advisor support services. Additionally, SEI completed acquisitions such as LifeYield in December 2024 to bolster multi-account tax management capabilities and earlier deals like Altigo and National Pensions Trust to strengthen alternative investments and defined contribution segments, contributing to assets under management reaching $486 billion in Q1 2025. These moves reflect SEI's ongoing expansion in technology-driven solutions and operational scale, with no reported changes to SEAIX's core strategy, managers, or structure in the past 1-2 years.