VIOO — Vanguard S&P Small-Cap 600 Index Fund
Data updated: 2026-07-29
VIOO — Vanguard S&P Small-Cap 600 Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Small Cap Blend / Core Equity · $5.89B AUM · 0.07% expense ratio · 33.3% 1-yr return. From SEC regulatory filings.
VIOO Fund Overview
VIOO — Vanguard S&P Small-Cap 600 Index Fund is a US ETF managed by Vanguard Admiral Funds, categorised as United States Small 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 Admiral Funds
- Category: United States Small Cap Blend / Core Equity
- Assets under management: $5.89B
- 1-year return: 33.3%
- Ticker: VIOO
- SEC CIK: 0000891190
- SEC series ID: S000030017
- Share class ID: C000092044
VIOO Holdings
Top 10 holdings of Vanguard S&P Small-Cap 600 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Sanmina Corp | 0.83% |
| Semtech Corp | 0.83% |
| Viavi Solutions Inc | 0.66% |
| Viasat Inc | 0.64% |
| Lumen Technologies Inc | 0.61% |
| FormFactor Inc | 0.57% |
| Element Solutions Inc | 0.57% |
| Argan Inc | 0.54% |
| Enphase Energy Inc | 0.53% |
| Molina Healthcare Inc | 0.53% |
VIOO Portfolio Allocation
Asset-class allocation of Vanguard S&P Small-Cap 600 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.2% |
VIOO Performance
Total returns for VIOO (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 15.5% |
| 1 year | 33.3% |
| 3 years (annualised) | 16.3% |
| 5 years (annualised) | 5.9% |
VIOO Risk Information
Risk metrics for VIOO, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.3%
VIOO Costs and Fees
VIOO costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.07%
- Portfolio turnover: 22%
- Brokerage commissions: 0.84 bps of average net assets (SEC N-CEN)
VIOO Cashflows
Over the 12 months to 2026-02, Vanguard S&P Small-Cap 600 Index Fund had net inflows of $129.05M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $39.67M |
| 2026-01 | $125.10M |
| 2025-12 | $98.84M |
| 2025-11 | −$5.64M |
| 2025-10 | $34.41M |
| 2025-09 | −$30.78M |
VIOO Debt Constituents
No individual debt constituents are reported in Vanguard S&P Small-Cap 600 Index Fund's latest SEC N-PORT filing.
VIOO Prospectus and SEC Filings
Official Vanguard S&P Small-Cap 600 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Small 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.