# Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX): Mutual Fund Facts & Distributions

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- Issuer: Vanguard · Asset class: Mid Cap Equity
- Strategy: Thematic · Inception: 1998-05-21

This economical index fund offers extensive exposure to mid-sized American companies. Its primary objective is to replicate a benchmark index composed of firms with moderate market capitalizations. Equities from these enterprises typically exhibit greater price fluctuations compared to those of larger corporations, and this inherent volatility represents a significant risk for the fund. Investors aiming to incorporate a passively managed, mid-capitalization stock allocation into an already diversified investment portfolio may find this fund to be a suitable option.

## Key Facts

| Metric | Value |
|---|---|
| Price | $88.39 |
| Expense Ratio | 0.03% |
| Assets Under Management | $216.50B |
| NAV | $88.39 |
| Holdings Count | 307 |
| Distribution Yield (TTM) | 1.36% |
| Annual Distribution (TTM) | $1.21 /share |
| Distribution Frequency | Quarterly |
| 52-Week Range | $76.06 – $92.45 |
| Beta | 1.01 |

## Latest Distribution

- Amount: $0.3173 /share
- Ex-date: 2026-09-28
- Pay date: 2026-09-29

## Frequently Asked Questions

### What does VMCIX invest in?

This economical index fund offers extensive exposure to mid-sized American companies. Its primary objective is to replicate a benchmark index composed of firms with moderate market capitalizations. Equities from these enterprises typically exhibit greater price fluctuations compared to those of larger corporations, and this inherent volatility represents a significant risk for the fund. Investors aiming to incorporate a passively managed, mid-capitalization stock allocation into an already diversified investment portfolio may find this fund to be a suitable option.

### What is the expense ratio of VMCIX?

Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) charges an expense ratio of 0.03%. This is the annual fee deducted from fund assets to cover management and operations.

### How big is VMCIX?

Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) manages $216.50B in total assets. AUM determines bid-ask liquidity and the fund's vulnerability to closure. Funds below ~$50M are at higher risk of liquidation.

### Is VMCIX actively managed or an index fund?

VMCIX's management style is described in the fund's prospectus. See the description on the Summary tab for the published strategy.

### When was VMCIX launched?

Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) launched in May 1998 and is managed by Vanguard.

### How has VMCIX performed?

VMCIX's total return (price change plus reinvested distributions) is charted at the top of this page. Switch the price chart to Total Return and pick a 1-year, 3-year, 5-year, or 10-year window to read the compound annual growth rate (CAGR) over each horizon.

### Does VMCIX pay a dividend?

Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) currently distributes little or no income. Trailing-twelve-month yield is 1.36%. Investors looking for income should consider income-focused alternatives. See the Peers tab.

### How often does VMCIX pay dividends?

Vanguard Mid-Cap Index Fund Institutional Shares pays dividends Quarterly. Each ex-dividend date, record date, and payment date is listed in the dividend history table on this page.

### What is VMCIX's dividend yield?

VMCIX's trailing-twelve-month yield is 1.36%, calculated from the sum of dividends over the past year divided by the current price.

### When is VMCIX's next ex-dividend date?

The most recently announced ex-dividend date for VMCIX was 2026-09-28. The next ex-date typically follows Quarterly; once announced it appears at the top of the dividend history table on this page.

### How much will VMCIX's expense ratio cost me over 30 years?

On a $10,000 investment compounding at 7% gross return, a 0.03% expense ratio quietly compounds against your balance every year. The Fee Compounding Forecast card above projects the dollar drag for any holding period and assumption you pick. The typical result for a 1.0% expense ratio on a 30-year hold is roughly 25% of the final balance lost to fees.

### How does VMCIX charge its expense ratio?

The expense ratio is deducted in tiny daily slices from VMCIX's net asset value (NAV). You never see a bill. The price quoted on every exchange is already net of fees. There's no "fee day" to avoid; the cost is continuous and built into the trading price.

### Why does VMCIX cost more than a fund like VOO?

VMCIX's strategy (current expense ratio 0.03%) is different from a broad-market index tracker like VOO, so its fee belongs to a different cohort. The Cost Verdict card above shows you where VMCIX sits within its own category, which is the comparison that actually matters.

### Are there cheaper alternatives to VMCIX?

The Lower-Fee Alternatives card above lists mutual funds following the same investment strategy as VMCIX (0.03%) but at a lower expense ratio. Each row shows the fee gap, the peer's AUM as a liquidity sanity-check, and a direct link to that fund's analysis page. Cheaper price doesn't automatically mean better. Verify the peer holds what you actually want.

## More on Dividend Data

- Overview (HTML): https://www.dividenddata.com/funds/vmcix
- Distribution history: https://www.dividenddata.com/funds/vmcix/dividend
- Holdings & diversification: https://www.dividenddata.com/funds/vmcix/diversification
- Fees & cheaper alternatives: https://www.dividenddata.com/funds/vmcix/expenses
- Peer comparison: https://www.dividenddata.com/funds/vmcix/peers

Data sourced from primary filings and market data providers; see https://www.dividenddata.com/methodology.