VBIMX — Vanguard Intermediate-Term Bond Index Fund
Data updated: 2026-05-28
VBIMX — Vanguard Intermediate-Term Bond Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Treasury / Sovereign Bond · $51.74B AUM · 0.03% expense ratio · 4.9% 1-yr return. From SEC regulatory filings.
VBIMX Fund Overview
VBIMX — Vanguard Intermediate-Term Bond Index Fund is a US ETF managed by Vanguard Bond Index Funds, 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: Vanguard Bond Index Funds
- Category: Intermediate Treasury / Sovereign Bond
- Assets under management: $51.74B
- 1-year return: 4.9%
- Ticker: VBIMX
- SEC CIK: 0000794105
- SEC series ID: S000002561
- Share class ID: C000024520
VBIMX Holdings
Top 10 holdings of Vanguard Intermediate-Term Bond Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 2.29% |
| United States Treasury Note/Bond | 2.20% |
| United States Treasury Note/Bond | 2.19% |
| United States Treasury Note/Bond | 2.18% |
| United States Treasury Note/Bond | 2.06% |
| United States Treasury Note/Bond | 2.06% |
| United States Treasury Note/Bond | 2.03% |
| United States Treasury Note/Bond | 2.02% |
| United States Treasury Note/Bond | 1.99% |
| United States Treasury Note/Bond | 1.95% |
VBIMX Portfolio Allocation
Asset-class allocation of Vanguard Intermediate-Term Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.8% |
| Cash & Equivalents | 0.3% |
VBIMX Performance
Total returns for VBIMX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.3% |
| 1 year | 4.9% |
| 3 years (annualised) | 4.0% |
| 5 years (annualised) | 0.6% |
VBIMX Risk Information
Risk metrics for VBIMX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.8%
VBIMX Costs and Fees
VBIMX costs about $3 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.03%
- Gross expense ratio: 0.03%
- Portfolio turnover: 55%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
VBIMX Cashflows
Over the 12 months to 2026-03, Vanguard Intermediate-Term Bond Index Fund had net inflows of $7.15B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $380.49M |
| 2026-02 | $764.79M |
| 2026-01 | $980.09M |
| 2025-12 | $660.54M |
| 2025-11 | $668.04M |
| 2025-10 | $947.29M |
VBIMX Debt Constituents
Largest debt holdings of Vanguard Intermediate-Term Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 2.29% |
| United States Treasury Note/Bond | 2.20% |
| United States Treasury Note/Bond | 2.19% |
| United States Treasury Note/Bond | 2.18% |
| United States Treasury Note/Bond | 2.06% |
| United States Treasury Note/Bond | 2.06% |
| United States Treasury Note/Bond | 2.03% |
| United States Treasury Note/Bond | 2.02% |
| United States Treasury Note/Bond | 1.99% |
| United States Treasury Note/Bond | 1.95% |
VBIMX Prospectus and SEC Filings
Official Vanguard Intermediate-Term Bond Index Fund 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.