iShares iBonds Dec 2054 Term Treasury ETF (IBGK) is an exchange-traded fund that seeks to track the investment results of the ICE 2054 Maturity US Treasury Index, composed of U.S. Treasury bonds maturing between January 1 and December 15, 2054. The fund holds a concentrated portfolio primarily consisting of long-term U.S. Treasury bonds across various coupons, including United States Treasury Bonds 4.625%, 4.5%, and 4.25%, with cash equivalents comprising a minimal portion; it distributes income monthly and fully liquidates on or about December 15, 2054, returning net assets to shareholders. Managed by BlackRock Fund Advisors with an expense ratio of 0.07%, IBGK operates in the fixed income segment targeting investors seeking defined maturity exposure to U.S. government securities, listed on NASDAQ and domiciled in the United States.
Launched on June 11, 2024, the ETF is part of the iShares iBonds ETF suite sponsored by BlackRock, Inc., headquartered in New York, with no subsidiaries or parent entities beyond the iShares Trust structure. Geographically, it focuses exclusively on U.S. Treasury securities issued by the United States Department of the Treasury.
Recent developments include stable portfolio allocations and performance tracking as of late 2025, with net assets around $2.41 million, a 30-day SEC yield of 4.71%, weighted average maturity of 28.65 years, and effective duration of 15.26 years; the fund maintains its strategy amid Treasury yield trends without reported acquisitions, partnerships, funding rounds, or product launches in 2024-2025. Manager transitions occurred with Jonathan Graves and Marcus Tom joining James Mauro effective August 1, 2025. No major strategic shifts, name changes, or operational reorganizations have been announced.