Overall Morningstar Rating for iShares U.S. Treasury Bond ETF, as of May 31, 2025 rated against 216 Intermediate Government Funds based on risk adjusted total return. Morningstar Medalist Rating Morningstar has awarded the Fund a Silver medal., The rate is fixed at auction. It does not vary over the life of the bond. It is never less than 0.125%. See Interest rates of recent bond auctions. Interest paid: Every six months until maturity: Minimum purchase: $100: In increments of: $100: Maximum purchase: $10 million (non-competitive bid) 35% of offering amount (competitive bid), Government bond mutual funds and ETFs primarily invest in debt securities issued by federal, state, and municipal governments. Funds in this category, may, depending on their mandate, hold government securities of varying maturities (short, intermediate, or long), types of interest rate (fixed or floating) or locations (U.S. or international)., , , .