John Hancock Exchange-Traded Fund Trust - John Hancock Mortgage Backed Securities ETF is an exchange traded fund launched and managed by John Hancock Investment Management LLC. The fund is co-managed by Manulife Investment Management (US) LLC. It invests in the fixed income markets of countries across the globe, excluding Canada. The fund primarily invests in mortgage-related securities. It seeks to invest in securities of any maturity. The fund employs fundamental analysis with bottom-up security picking approach to create its portfolio. John Hancock Exchange-Traded Fund Trust - John Hancock Mortgage Backed Securities ETF is domiciled in the United States.