VISTX — Vanguard Institutional Short-Term Bond Fund
Data updated: 2026-08-28
VISTX — Vanguard Institutional Short-Term Bond Fund. Short Total / Aggregate Bond · $6.74B AUM. Holdings, fees, performance and SEC 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: $6.74B
- 1-year return: 3.7%
- 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 | 1.82% |
| United States Treasury Note/Bond | 1.40% |
| United States Treasury Note/Bond | 1.19% |
| United States Treasury Note/Bond | 1.14% |
| United States Treasury Note/Bond | 1.01% |
| United States Treasury Note/Bond | 0.95% |
| United States Treasury Note/Bond | 0.94% |
| United States Treasury Note/Bond | 0.92% |
| United States Treasury Note/Bond | 0.82% |
| United States Treasury Note/Bond | 0.77% |
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 | 49.6% |
| Securitized | 49.4% |
| Cash & Equivalents | 0.4% |
VISTX Performance
Total returns for VISTX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.0% |
| 1 year | 3.7% |
| 3 years (annualised) | 5.2% |
| 5 years (annualised) | 2.5% |
VISTX Risk Information
Risk metrics for VISTX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.3%
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 2026-06, Vanguard Institutional Short-Term Bond Fund had net inflows of $771.38M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$54.47M |
| 2026-05 | $39.03M |
| 2026-04 | $113.59M |
| 2026-03 | $19.86M |
| 2026-02 | −$19.29M |
| 2026-01 | $440.87M |
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 | 1.82% |
| United States Treasury Note/Bond | 1.40% |
| United States Treasury Note/Bond | 1.19% |
| United States Treasury Note/Bond | 1.14% |
| United States Treasury Note/Bond | 1.01% |
| United States Treasury Note/Bond | 0.95% |
| United States Treasury Note/Bond | 0.94% |
| United States Treasury Note/Bond | 0.92% |
| United States Treasury Note/Bond | 0.82% |
| United States Treasury Note/Bond | 0.77% |
VISTX Prospectus and SEC Filings
Official Vanguard Institutional Short-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 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.