VIITX — Vanguard Institutional Intermediate-Term Bond Fund
Data updated: 2026-05-28
VIITX — Vanguard Institutional Intermediate-Term Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $30.56B AUM · 0.02% expense ratio · 4.9% 1-yr return. From SEC regulatory filings.
VIITX Fund Overview
VIITX — Vanguard Institutional Intermediate-Term Bond Fund is a US mutual fund managed by Vanguard Malvern Funds, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Vanguard Malvern Funds
- Category: Long Total / Aggregate Bond
- Assets under management: $30.56B
- 1-year return: 4.9%
- Ticker: VIITX
- SEC CIK: 0000836906
- SEC series ID: S000049658
- Share class ID: C000157008
VIITX Holdings
Top 10 holdings of Vanguard Institutional Intermediate-Term Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 1.25% |
| United States Treasury Note/Bond | 1.23% |
| Fannie Mae or Freddie Mac | 0.99% |
| United States Treasury Note/Bond | 0.84% |
| United States Treasury Note/Bond | 0.61% |
| Freddie Mac Pool | 0.56% |
| United States Treasury Note/Bond | 0.52% |
| Ginnie Mae II Pool | 0.51% |
| United States Treasury Note/Bond | 0.50% |
| United States Treasury Note/Bond | 0.48% |
VIITX Portfolio Allocation
Asset-class allocation of Vanguard Institutional Intermediate-Term Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 57.1% |
| Fixed Income | 43.6% |
| Cash & Equivalents | 0.2% |
VIITX Performance
Total returns for VIITX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.1% |
| 1 year | 4.9% |
| 3 years (annualised) | 4.5% |
| 5 years (annualised) | 1.5% |
VIITX Risk Information
Risk metrics for VIITX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.5%
VIITX Costs and Fees
VIITX costs about $2 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.02%
- Gross expense ratio: 0.02%
- Portfolio turnover: 169%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
VIITX Cashflows
Over the 12 months to 2026-03, Vanguard Institutional Intermediate-Term Bond Fund had net outflows of $78.17M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $98.86M |
| 2026-02 | −$141.41M |
| 2026-01 | −$425.11M |
| 2025-12 | −$542.90M |
| 2025-11 | $119.66M |
| 2025-10 | $404.09M |
VIITX Debt Constituents
Largest debt holdings of Vanguard Institutional Intermediate-Term Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 1.25% |
| United States Treasury Note/Bond | 1.23% |
| United States Treasury Note/Bond | 0.84% |
| United States Treasury Note/Bond | 0.61% |
| United States Treasury Note/Bond | 0.52% |
| United States Treasury Note/Bond | 0.50% |
| United States Treasury Note/Bond | 0.48% |
| United States Treasury Note/Bond | 0.48% |
| United States Treasury Note/Bond | 0.46% |
| United States Treasury Note/Bond | 0.42% |
VIITX Prospectus and SEC Filings
Official Vanguard Institutional Intermediate-Term Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate 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.