VMIAX — Vanguard Materials Index Fund
Data updated: 2026-07-29
VMIAX — Vanguard Materials Index Fund. United States Mid Cap Blend / Core Energy Equity · $4.52B AUM. Holdings, fees, performance and SEC filings.
VMIAX Fund Overview
VMIAX — Vanguard Materials Index Fund is a US ETF managed by Vanguard World Fund, categorised as United States Mid Cap Blend / Core Energy Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Vanguard World Fund
- Category: United States Mid Cap Blend / Core Energy Equity
- Assets under management: $4.52B
- 1-year return: 23.9%
- Ticker: VMIAX
- SEC CIK: 0000052848
- SEC series ID: S000004441
- Share class ID: C000012205
VMIAX Holdings
Top 10 holdings of Vanguard Materials Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Linde PLC | 14.92% |
| Newmont Corp | 7.69% |
| Freeport-McMoRan Inc | 6.06% |
| Crh PLC | 4.68% |
| Sherwin-Williams Co/The | 4.59% |
| Ecolab Inc | 4.19% |
| Air Products and Chemicals Inc | 3.81% |
| Nucor Corp | 3.67% |
| Corteva Inc | 3.40% |
| Vulcan Materials Co | 2.40% |
VMIAX Portfolio Allocation
Asset-class allocation of Vanguard Materials Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.6% |
VMIAX Performance
Total returns for VMIAX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 12.5% |
| 1 year | 23.9% |
| 3 years (annualised) | 14.1% |
| 5 years (annualised) | 5.8% |
VMIAX Risk Information
Risk metrics for VMIAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 16.9%
VMIAX Costs and Fees
VMIAX costs about $9 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.09%
- Gross expense ratio: 0.09%
- Portfolio turnover: 7%
- Brokerage commissions: 0.14 bps of average net assets (SEC N-CEN)
VMIAX Cashflows
Over the 12 months to 2026-05, Vanguard Materials Index Fund had net inflows of $42.50M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | −$17.30M |
| 2026-04 | $64.31M |
| 2026-03 | −$35.49M |
| 2026-02 | $31.73M |
| 2026-01 | −$111.00M |
| 2025-12 | −$25.16M |
VMIAX Debt Constituents
No individual debt constituents are reported in Vanguard Materials Index Fund's latest SEC N-PORT filing.
VMIAX Prospectus and SEC Filings
Official Vanguard Materials Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2024-12-20
- Prospectus supplement (497) — filed 2026-06-30
- Prospectus supplement (497) — filed 2025-02-03
- Portfolio holdings (N-PORT) — filed 2026-07-29
- Portfolio holdings (N-PORT) — filed 2026-04-28
- Portfolio holdings (N-PORT) — filed 2026-01-28
- Annual census (N-CEN) — filed 2025-11-12
- Annual census (N-CEN) — filed 2024-11-12
Related Funds
Other United States Mid Cap Blend / Core Energy Equity 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.