IBTO — iShares iBonds Dec 2033 Term Treasury ETF
Data updated: 2026-06-26
IBTO — iShares iBonds Dec 2033 Term Treasury ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Treasury / Sovereign Bond · $453.65M AUM · 0.07% expense ratio · 2.9% 1-yr return. From SEC regulatory filings.
IBTO Fund Overview
IBTO — iShares iBonds Dec 2033 Term Treasury ETF is a US ETF managed by iSHARES TRUST, categorised as Intermediate 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: Intermediate Treasury / Sovereign Bond
- Assets under management: $453.65M
- 1-year return: 2.9%
- Ticker: IBTO
- SEC CIK: 0001100663
- SEC series ID: S000080644
- Share class ID: C000243160
IBTO Holdings
Top 8 holdings of iShares iBonds Dec 2033 Term Treasury ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States of America | 21.36% |
| United States of America | 19.76% |
| United States of America | 17.80% |
| United States of America | 17.61% |
| United States of America | 7.58% |
| United States of America | 7.52% |
| United States of America | 7.15% |
| BlackRock Funds III | 0.06% |
IBTO Portfolio Allocation
Asset-class allocation of iShares iBonds Dec 2033 Term Treasury ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.8% |
| Cash & Equivalents | 0.1% |
IBTO Performance
Total returns for IBTO (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.2% |
| 1 year | 2.9% |
| 3 years (annualised) | 2.8% |
IBTO Risk Information
Risk metrics for IBTO, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.4%
IBTO Costs and Fees
IBTO costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.07%
- Portfolio turnover: 2%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
IBTO Cashflows
Over the 12 months to 2026-04, iShares iBonds Dec 2033 Term Treasury ETF had net inflows of $122.34M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $7.31M |
| 2026-03 | $17.15M |
| 2026-02 | $13.55M |
| 2026-01 | −$10.90M |
| 2025-12 | $12.30M |
| 2025-11 | $13.55M |
IBTO Debt Constituents
Largest debt holdings of iShares iBonds Dec 2033 Term Treasury ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States of America | 21.36% |
| United States of America | 19.76% |
| United States of America | 17.80% |
| United States of America | 17.61% |
| United States of America | 7.58% |
| United States of America | 7.52% |
| United States of America | 7.15% |
IBTO Prospectus and SEC Filings
Official iShares iBonds Dec 2033 Term Treasury ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate 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.