VIITX — Vanguard Institutional Intermediate-Term Bond Fund
Data updated: 2026-08-28
VIITX — Vanguard Institutional Intermediate-Term Bond Fund. Long Total / Aggregate Bond · $31.17B AUM. Holdings, fees, performance and SEC 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: $31.17B
- 1-year return: 4.0%
- 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 | 0.82% |
| United States Treasury Note/Bond | 0.67% |
| United States Treasury Note/Bond | 0.63% |
| United States Treasury Note/Bond | 0.55% |
| Freddie Mac Pool | 0.54% |
| United States Treasury Note/Bond | 0.53% |
| United States Treasury Note/Bond | 0.49% |
| United States Treasury Note/Bond | 0.49% |
| Ginnie Mae II Pool | 0.49% |
| 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 | 59.0% |
| Fixed Income | 39.8% |
VIITX Performance
Total returns for VIITX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.8% |
| 1 year | 4.0% |
| 3 years (annualised) | 5.0% |
| 5 years (annualised) | 1.5% |
VIITX Risk Information
Risk metrics for VIITX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.2%
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 2026-06, Vanguard Institutional Intermediate-Term Bond Fund had net outflows of $336.62M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $299.39M |
| 2026-05 | $201.15M |
| 2026-04 | $246.89M |
| 2026-03 | $98.86M |
| 2026-02 | −$141.41M |
| 2026-01 | −$425.11M |
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 | 0.82% |
| United States Treasury Note/Bond | 0.67% |
| United States Treasury Note/Bond | 0.63% |
| United States Treasury Note/Bond | 0.55% |
| United States Treasury Note/Bond | 0.53% |
| United States Treasury Note/Bond | 0.49% |
| United States Treasury Note/Bond | 0.49% |
| United States Treasury Note/Bond | 0.48% |
| United States Treasury Note/Bond | 0.42% |
| Temasek Financial I Ltd | 0.35% |
VIITX Prospectus and SEC Filings
Official Vanguard Institutional Intermediate-Term Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-28
- Prospectus (485BPOS) — filed 2025-01-31
- Prospectus (485BPOS) — filed 2024-01-31
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-10
- Annual census (N-CEN) — filed 2024-12-12
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.