VIPIX — Vanguard Inflation-Protected Securities Fund
Data updated: 2026-05-28
VIPIX — Vanguard Inflation-Protected Securities Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Alternative · $27.88B AUM · 0.07% expense ratio · 3.0% 1-yr return. From SEC regulatory filings.
VIPIX Fund Overview
VIPIX — Vanguard Inflation-Protected Securities Fund is a US mutual fund managed by Vanguard Bond Index Funds, categorised as Alternative. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Vanguard Bond Index Funds
- Category: Alternative
- Assets under management: $27.88B
- 1-year return: 3.0%
- Ticker: VIPIX
- SEC CIK: 0000794105
- SEC series ID: S000019554
- Share class ID: C000054351
VIPIX Holdings
Top 10 holdings of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Inflation Indexed Bonds | 3.93% |
| United States Treasury Inflation Indexed Bonds | 3.69% |
| United States Treasury Inflation Indexed Bonds | 3.53% |
| United States Treasury Inflation Indexed Bonds | 3.29% |
| United States Treasury Inflation Indexed Bonds | 3.29% |
| United States Treasury Inflation Indexed Bonds | 3.28% |
| United States Treasury Inflation Indexed Bonds | 3.24% |
| United States Treasury Inflation Indexed Bonds | 3.23% |
| United States Treasury Inflation Indexed Bonds | 3.17% |
| United States Treasury Inflation Indexed Bonds | 3.12% |
VIPIX Portfolio Allocation
Asset-class allocation of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Other | 92.8% |
| Fixed Income | 5.8% |
| Cash & Equivalents | 1.0% |
VIPIX Performance
Total returns for VIPIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.3% |
| 1 year | 3.0% |
| 3 years (annualised) | 3.1% |
| 5 years (annualised) | 1.4% |
VIPIX Risk Information
Risk metrics for VIPIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.9%
VIPIX Costs and Fees
VIPIX costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.07%
- Portfolio turnover: 60%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
VIPIX Cashflows
Over the 12 months to 2026-03, Vanguard Inflation-Protected Securities Fund had net inflows of $1.09B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $234.70M |
| 2026-02 | $26.75M |
| 2026-01 | −$76.76M |
| 2025-12 | $444.10M |
| 2025-11 | $155.79M |
| 2025-10 | $247.67M |
VIPIX Debt Constituents
Largest debt holdings of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 1.92% |
| United States Treasury Note/Bond | 1.20% |
| United States Treasury Note/Bond | 0.40% |
| United States Treasury Note/Bond | 0.32% |
| United States Treasury Note/Bond | 0.18% |
| United States Treasury Note/Bond | 0.15% |
| United States Treasury Note/Bond | 0.14% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
VIPIX Prospectus and SEC Filings
Official Vanguard Inflation-Protected Securities Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Alternative 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.