Hartford Funds Exchange-Traded Trust - Hartford Strategic Income ETF (HFSI) is an actively managed exchange-traded fund that seeks current income and long-term total return through strategic allocation across fixed-income sectors, including high yield bonds, bank loans, emerging markets debt, investment grade securities, non-investment grade debt, U.S. and non-U.S. bonds, cash equivalents, and derivatives for risk management; the fund employs a top-down macro perspective for sector rotation combined with bottom-up security selection by specialists, holding approximately 783 positions with an effective duration of 5.72 years, a yield to worst of 6.24%, and monthly dividend distributions, sub-advised by Wellington Management with portfolio managers Joseph Marvan, Campe Goodman, and Rob Burn. Launched on September 21, 2021, and trading on the Cboe BZX Exchange under ticker HFSI (previously HSUN until April 15, 2025), the ETF is domiciled in the United States with net assets of $256 million as of late 2025 and operates within the multisector bond category, targeting investors seeking diversified global fixed-income exposure across diversified sectors and regions including utilities. Hartford Funds, the sponsor founded in 1996 and headquartered at 690 Lee Road in Wayne, Pennsylvania, oversees the ETF as part of its broader offerings in mutual funds, ETFs, and 529 college savings plans, leveraging partnerships with sub-advisers like Wellington for expertise across asset classes. Recent changes include a name shift from Hartford Sustainable Income ETF prior to September 30, 2024, a ticker change from HSUN to HFSI on April 15, 2025, and ongoing active management adjustments reflected in Q2 2025 commentary amid positive global fixed-income returns, with fund flows reaching $112.95 million over the past year and a trailing 12-month yield of 6.24%.