State Street Loomis Sayles Opportunistic Bond ETF (OBND) is an actively managed exchange-traded fund that invests across a diversified credit universe, including investment-grade bonds; high-yield bonds; non-U.S. dollar denominated debt; leveraged loans; and securitized products such as asset-backed securities, to maximize risk-adjusted total return while navigating evolving global credit conditions. The ETF, sub-advised by Loomis Sayles—a Natixis Investment Managers company—features a portfolio managed by the Loomis Sayles Alpha Strategies team, led by Kevin Kearns, Thomas Stolberg, and Andrea DiCenso, with holdings diversified across U.S. bonds (approximately 66%), non-U.S. bonds (18%), cash equivalents, and minor equity exposures, targeting institutional and retail fixed income investors seeking yield diversification beyond traditional strategies. Launched on September 27, 2021, by State Street Global Advisors (SSGA), the asset management arm of State Street Corporation headquartered in Boston, Massachusetts, OBND trades on the Bats BZX Exchange under the ticker OBND with a net expense ratio of 0.55% and total assets under management of approximately $46 million as of late 2025. As of its inception, no major acquisitions, funding rounds, partnerships, or strategic reorganizations have been announced for the ETF; it continues to operate steadily within the multisector bond category, focusing on opportunistic credit allocation without recent product launches or operational shifts noted in public disclosures. OBND primarily serves U.S.-based investors through brokerage platforms, with geographic exposure spanning U.S., non-U.S., and emerging markets via its bond holdings.