VMIDX — Mid Cap Index Fund
Data updated: 2026-07-28
VMIDX — Mid Cap Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $2.59B AUM · 0.35% expense ratio · 25.5% 1-yr return. From SEC regulatory filings.
VMIDX Fund Overview
VMIDX — Mid Cap Index Fund is a US mutual fund managed by VALIC Co I, categorised as United States Mid Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: VALIC Co I
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $2.59B
- 1-year return: 25.5%
- Ticker: VMIDX
- SEC CIK: 0000719423
- SEC series ID: S000008000
- Share class ID: C000021769
VMIDX Holdings
Top 10 holdings of Mid Cap Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Flex Ltd | 1.57% |
| State Street Global Advisors | 1.25% |
| Twilio Inc | 0.82% |
| TechnipFMC PLC | 0.79% |
| Curtiss-Wright Corp | 0.78% |
| nVent Electric PLC | 0.76% |
| Sterling Infrastructure Inc | 0.75% |
| XPO Inc | 0.71% |
| Everpure Inc | 0.71% |
| Illumina Inc | 0.71% |
VMIDX Portfolio Allocation
Asset-class allocation of Mid Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 1.2% |
VMIDX Performance
Total returns for VMIDX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 13.2% |
| 1 year | 25.5% |
| 3 years (annualised) | 17.0% |
| 5 years (annualised) | 7.7% |
VMIDX Risk Information
Risk metrics for VMIDX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.2%
VMIDX Costs and Fees
VMIDX costs about $35 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.35%
- Gross expense ratio: 0.36%
- Portfolio turnover: 18%
- Brokerage commissions: 0.86 bps of average net assets (SEC N-CEN)
VMIDX Cashflows
Over the 12 months to 2026-02, Mid Cap Index Fund had net outflows of $190.83M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$79.68M |
| 2026-01 | −$63.13M |
| 2025-12 | −$21.74M |
| 2025-11 | −$18.39M |
| 2025-10 | −$33.67M |
| 2025-09 | $7.90M |
VMIDX Debt Constituents
No individual debt constituents are reported in Mid Cap Index Fund's latest SEC N-PORT filing.
VMIDX Prospectus and SEC Filings
Official Mid Cap Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid 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.