MGC — Vanguard Mega Cap Index Fund
Data updated: 2026-07-29
MGC — Vanguard Mega Cap Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $10.81B AUM · 0.05% expense ratio · 16.8% 1-yr return. From SEC regulatory filings.
MGC Fund Overview
MGC — Vanguard Mega Cap Index Fund is a US ETF managed by Vanguard World Fund, categorised as United States Large Cap Blend / Core 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 Large Cap Blend / Core Equity
- Assets under management: $10.81B
- 1-year return: 16.8%
- Ticker: MGC
- SEC CIK: 0000052848
- SEC series ID: S000019698
- Share class ID: C000055210
MGC Holdings
Top 10 holdings of Vanguard Mega Cap Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp | 9.10% |
| Apple Inc | 8.55% |
| Microsoft Corp | 6.24% |
| Amazon.com Inc | 4.88% |
| Alphabet Inc | 4.13% |
| Broadcom Inc | 3.95% |
| Alphabet Inc | 3.25% |
| Meta Platforms Inc | 2.58% |
| Tesla Inc | 2.29% |
| Micron Technology Inc | 2.04% |
MGC Portfolio Allocation
Asset-class allocation of Vanguard Mega Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.7% |
| Cash & Equivalents | 0.2% |
MGC Performance
Total returns for MGC (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.8% |
| 1 year | 16.8% |
| 3 years (annualised) | 23.5% |
| 5 years (annualised) | 14.5% |
MGC Risk Information
Risk metrics for MGC, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.9%
MGC Costs and Fees
MGC costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.05%
- Portfolio turnover: 3%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
MGC Cashflows
Over the 12 months to 2026-02, Vanguard Mega Cap Index Fund had net inflows of $2.25B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$12.81M |
| 2026-01 | −$363.60M |
| 2025-12 | $670.40M |
| 2025-11 | $80.63M |
| 2025-10 | $541.31M |
| 2025-09 | $374.87M |
MGC Debt Constituents
No individual debt constituents are reported in Vanguard Mega Cap Index Fund's latest SEC N-PORT filing.
MGC Prospectus and SEC Filings
Official Vanguard Mega Cap Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core 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.