Vanguard Long-Term Bond Index Fund Admiral Shares (VBLAX) is a mutual fund managed by The Vanguard Group, Inc. that seeks to track the performance of the Bloomberg U.S. Long Government/Credit Float Adjusted Index. The fund employs a representative sampling methodology to invest at least 80% of its assets in investment-grade bonds included in the index, which comprises medium and larger issues of U.S. government securities, investment-grade corporate bonds, and investment-grade international dollar-denominated bonds with maturities greater than 10 years that are publicly issued; the portfolio features significant allocations to U.S. Treasuries (approximately 48%), corporate debt (around 47%), and reduced exposure to Federal Reserve-held bonds via float adjustment. It provides high current income through its focus on long-maturity securities in the fixed income markets of the United States, with holdings numbering over 3,000 as of mid-2025, monthly dividend payouts, and an expense ratio characteristic of Vanguard's low-cost indexing approach.
Launched with inception dated February 7, 2019, for the Admiral Shares class (building on the broader fund family established earlier), VBLAX is domiciled in the United States and headquartered alongside its parent company The Vanguard Group, Inc. in Malvern, Pennsylvania; it primarily serves long-term bond investors, including individual and institutional clients seeking interest rate and credit exposure in a passively managed vehicle.
The fund operates within the long-term bond segment of the U.S. fixed income industry, targeting investors interested in benchmark replication with enhanced sensitivity to credit risk relative to Treasury-heavy peers; geographically, its investments are concentrated in U.S. and dollar-denominated international securities, with no direct operations outside the U.S. market.
In recent developments as of 2025, VBLAX continues to reflect Vanguard's indexing discipline amid fluctuating interest rates, with year-to-date returns around 1.13% and 52-week price range from $10.01 to $11.61 as of August 2025; the fund has maintained its core strategy without major structural changes, acquisitions, or new product launches reported in the past 1-2 years, though its portfolio adjustments align with ongoing index reconstitutions and float adjustments excluding Federal Reserve holdings.