iShares U.S. Long Government Bond Index Fund
Data updated: 2026-06-25
C000234049 — iShares U.S. Long Government Bond Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Treasury / Sovereign Bond · $2.91B AUM · 0.00% expense ratio · 1.0% 1-yr return. From SEC regulatory filings.
C000234049 Fund Overview
iShares U.S. Long Government Bond Index Fund is a US mutual fund managed by Blackrock Funds, 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 mutual fund
- Manager: Blackrock Funds
- Category: Long Treasury / Sovereign Bond
- Assets under management: $2.91B
- 1-year return: 1.0%
- SEC CIK: 0000844779
- SEC series ID: S000075205
- Share class ID: C000234049
C000234049 Holdings
Top 10 holdings of iShares U.S. Long Government Bond Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Funds III | 8.64% |
| United States Treasury | 2.26% |
| United States Treasury | 2.26% |
| United States Treasury | 2.26% |
| United States Treasury | 2.22% |
| United States Treasury | 2.22% |
| United States Treasury | 2.16% |
| United States Treasury | 2.15% |
| United States Treasury | 2.14% |
| United States Treasury | 2.13% |
C000234049 Portfolio Allocation
Asset-class allocation of iShares U.S. Long Government Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.0% |
| Cash & Equivalents | 8.7% |
C000234049 Performance
Total returns for C000234049 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.8% |
| 1 year | 1.0% |
| 3 years (annualised) | -1.8% |
C000234049 Risk Information
Risk metrics for C000234049, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.4%
C000234049 Costs and Fees
C000234049 costs about $0 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.00%
- Gross expense ratio: 0.10%
- Portfolio turnover: 33%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
C000234049 Cashflows
Over the 12 months to 2026-04, iShares U.S. Long Government Bond Index Fund had net outflows of $387.52M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$26.39M |
| 2026-03 | −$32.90M |
| 2026-02 | $38.41M |
| 2026-01 | −$2.94M |
| 2025-12 | $167.98M |
| 2025-11 | −$3.96M |
C000234049 Debt Constituents
Largest debt holdings of iShares U.S. Long Government Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 2.26% |
| United States Treasury | 2.26% |
| United States Treasury | 2.26% |
| United States Treasury | 2.22% |
| United States Treasury | 2.22% |
| United States Treasury | 2.16% |
| United States Treasury | 2.15% |
| United States Treasury | 2.14% |
| United States Treasury | 2.13% |
| United States Treasury | 1.90% |
C000234049 Prospectus and SEC Filings
Official iShares U.S. Long Government Bond Index Fund 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.