VISTX — Vanguard Institutional Short-Term Bond Fund
Data updated: 2026-05-28
VISTX — Vanguard Institutional Short-Term Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Short Total / Aggregate Bond · $6.67B AUM · 0.02% expense ratio · 4.4% 1-yr return. From SEC regulatory filings.
VISTX Fund Overview
VISTX — Vanguard Institutional Short-Term Bond Fund is a US mutual fund managed by Vanguard Malvern Funds, categorised as Short 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: Short Total / Aggregate Bond
- Assets under management: $6.67B
- 1-year return: 4.4%
- Ticker: VISTX
- SEC CIK: 0000836906
- SEC series ID: S000049659
- Share class ID: C000157009
VISTX Holdings
Top 10 holdings of Vanguard Institutional Short-Term Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Bill | 3.87% |
| United States Treasury Note/Bond | 1.71% |
| United States Treasury Note/Bond | 1.28% |
| United States Treasury Note/Bond | 1.20% |
| United States Treasury Note/Bond | 1.15% |
| United States Treasury Note/Bond | 1.09% |
| United States Treasury Note/Bond | 0.98% |
| United States Treasury Note/Bond | 0.92% |
| United States Treasury Note/Bond | 0.91% |
| United States Treasury Note/Bond | 0.86% |
VISTX Portfolio Allocation
Asset-class allocation of Vanguard Institutional Short-Term Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 54.6% |
| Securitized | 44.0% |
| Cash & Equivalents | 0.5% |
VISTX Performance
Total returns for VISTX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.3% |
| 1 year | 4.4% |
| 3 years (annualised) | 4.8% |
| 5 years (annualised) | 2.4% |
VISTX Risk Information
Risk metrics for VISTX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.4%
VISTX Costs and Fees
VISTX costs about $2 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.02%
- Gross expense ratio: 0.02%
- Portfolio turnover: 126%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
VISTX Cashflows
Over the 12 months to 2026-03, Vanguard Institutional Short-Term Bond Fund had net inflows of $879.34M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $19.86M |
| 2026-02 | −$19.29M |
| 2026-01 | $440.87M |
| 2025-12 | $43.87M |
| 2025-11 | $23.45M |
| 2025-10 | $94.90M |
VISTX Debt Constituents
Largest debt holdings of Vanguard Institutional Short-Term Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bill | 3.87% |
| United States Treasury Note/Bond | 1.71% |
| United States Treasury Note/Bond | 1.28% |
| United States Treasury Note/Bond | 1.20% |
| United States Treasury Note/Bond | 1.15% |
| United States Treasury Note/Bond | 1.09% |
| United States Treasury Note/Bond | 0.98% |
| United States Treasury Note/Bond | 0.92% |
| United States Treasury Note/Bond | 0.91% |
| United States Treasury Note/Bond | 0.86% |
VISTX Prospectus and SEC Filings
Official Vanguard Institutional Short-Term Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Short 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.