- Sector
- Financial Services
- Industry
- Asset Management - Bonds
- Address
- 101 Munson Street Greenfield MA United States of America 01301
- IPO Date
- Feb 3, 2020
- Business
- Virtus Seix U.S. Government Securities Ultra Short Bond Fund (SSAGX) is an open-end mutual fund that seeks current income by investing primarily in short-duration U.S. government agency asset-backed securities and mortgage-backed securities, U.S. Treasuries, and U.S. government agency debentures; it emphasizes residential mortgage-backed securities (67.51%), commercial mortgage-backed securities (20.14%), and asset-backed securities (6.81%), with an average effective duration of 0.66 years and a focus on high-quality, liquid holdings to provide superior risk-adjusted returns through a bottom-up focused, top-down aware investment approach. The fund, launched on July 24, 2018, is managed by Seix Investment Advisors, a division of Virtus Fixed Income Advisers, LLC, which serves institutional and retail investors in the ultrashort bond segment with total net assets of approximately $399 million as of October 2025. Headquartered in Park Ridge, New Jersey, with additional offices in Atlanta, Georgia, and Winter Park, Florida, Seix has operated as a specialty fixed income manager since its founding in 1992, primarily targeting U.S. markets through mutual funds, exchange-traded funds, separate accounts, and institutional strategies.
In recent years, Virtus Investment Partners, the parent organization overseeing Seix, has pursued strategic expansions including the acquisition of Stone Harbor Investment Partners in the first quarter of 2024 to enhance fixed income capabilities; a reorganization of its fixed income subsidiaries, including Seix, under Virtus Fixed Income Advisers on July 1, 2022; and the introduction of new products such as the Virtus Seix Senior Loan ETF and Virtus Seix AAA Private Credit CLO ETF in 2024-2025. These moves align with Virtus' broader multi-boutique model growth, incorporating leveraged finance, private credit, and alternative fixed income offerings while maintaining Seix's core expertise in investment grade and government-related securities. The fund continues to deliver competitive performance, posting a 1.27% return in Q3 2025 that outperformed the Bloomberg U.S. Treasury Bills 3-6 Months Index.