IBGK — iShares iBonds Dec 2054 Term Treasury ETF
Data updated: 2026-06-25
IBGK — iShares iBonds Dec 2054 Term Treasury ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Treasury / Sovereign Bond · $3.47M AUM · 0.07% expense ratio · -0.0% 1-yr return. From SEC regulatory filings.
IBGK Fund Overview
IBGK — iShares iBonds Dec 2054 Term Treasury ETF is a US ETF managed by iSHARES TRUST, categorised as Long Treasury / Sovereign Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: iSHARES TRUST
- Category: Long Treasury / Sovereign Bond
- Assets under management: $3.47M
- 1-year return: -0.0%
- Ticker: IBGK
- SEC CIK: 0001100663
- SEC series ID: S000085232
- Share class ID: C000250199
IBGK Holdings
Top 4 holdings of iShares iBonds Dec 2054 Term Treasury ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 25.50% |
| United States Treasury | 24.97% |
| United States Treasury | 23.96% |
| United States Treasury | 23.95% |
IBGK Portfolio Allocation
Asset-class allocation of iShares iBonds Dec 2054 Term Treasury ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.4% |
IBGK Performance
Total returns for IBGK (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.7% |
| 1 year | -0.0% |
IBGK Risk Information
Risk metrics for IBGK, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.9%
IBGK Costs and Fees
IBGK costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.07%
- Portfolio turnover: 28%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
IBGK Cashflows
Over the 12 months to 2026-04, iShares iBonds Dec 2054 Term Treasury ETF had net inflows of $1.21M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $0 |
| 2026-03 | $0 |
| 2026-02 | $0 |
| 2026-01 | $0 |
| 2025-12 | $0 |
| 2025-11 | $1.21M |
IBGK Debt Constituents
Largest debt holdings of iShares iBonds Dec 2054 Term Treasury ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 25.50% |
| United States Treasury | 24.97% |
| United States Treasury | 23.96% |
| United States Treasury | 23.95% |
IBGK Prospectus and SEC Filings
Official iShares iBonds Dec 2054 Term Treasury ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Treasury / Sovereign Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.