VBAIX — Vanguard Balanced Index Fund
Data updated: 2026-08-28
VBAIX — Vanguard Balanced Index Fund. Balanced Allocation · $63.72B AUM · 0.04% expense ratio. Holdings, fees, performance and SEC filings.
VBAIX Fund Overview
VBAIX — Vanguard Balanced Index Fund is a US mutual fund managed by Vanguard Valley Forge Funds, categorised as Balanced Allocation. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Vanguard Valley Forge Funds
- Category: Balanced Allocation
- Assets under management: $63.72B
- 1-year return: 15.3%
- Ticker: VBAIX
- SEC CIK: 0000889519
- SEC series ID: S000002560
- Share class ID: C000007056
VBAIX Holdings
Top 10 holdings of Vanguard Balanced Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp | 3.90% |
| Apple Inc | 3.60% |
| Microsoft Corp | 2.35% |
| Amazon.com Inc | 1.96% |
| Alphabet Inc | 1.78% |
| Vanguard Cmt Funds-Vanguard Market Liquidity Fund | 1.72% |
| Broadcom Inc | 1.52% |
| Alphabet Inc | 1.40% |
| Micron Technology Inc | 1.10% |
| Meta Platforms Inc | 1.05% |
VBAIX Portfolio Allocation
Asset-class allocation of Vanguard Balanced Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 61.2% |
| Fixed Income | 29.9% |
| Securitized | 8.1% |
| Cash & Equivalents | 1.7% |
VBAIX Performance
Total returns for VBAIX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 7.0% |
| 1 year | 15.3% |
| 3 years (annualised) | 14.0% |
| 5 years (annualised) | 7.5% |
VBAIX Risk Information
Risk metrics for VBAIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.2%
VBAIX Costs and Fees
VBAIX costs about $4 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.04%
- Gross expense ratio: 0.04%
- Portfolio turnover: 31%
- Brokerage commissions: 0.10 bps of average net assets (SEC N-CEN)
VBAIX Cashflows
Over the 12 months to 2026-06, Vanguard Balanced Index Fund had net inflows of $463.16M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$24.40M |
| 2026-05 | −$187.71M |
| 2026-04 | −$249.84M |
| 2026-03 | $539.84M |
| 2026-02 | −$162.72M |
| 2026-01 | −$392.45M |
VBAIX Debt Constituents
Largest debt holdings of Vanguard Balanced Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 0.65% |
| United States Treasury Note/Bond | 0.57% |
| United States Treasury Note/Bond | 0.23% |
| United States Treasury Note/Bond | 0.18% |
| United States Treasury Note/Bond | 0.15% |
| United States Treasury Note/Bond | 0.14% |
| United States Treasury Note/Bond | 0.14% |
| United States Treasury Note/Bond | 0.14% |
| United States Treasury Note/Bond | 0.14% |
| United States Treasury Note/Bond | 0.14% |
VBAIX Prospectus and SEC Filings
Official Vanguard Balanced Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-28
- Prospectus (485BPOS) — filed 2025-04-29
- Prospectus supplement (497) — filed 2026-02-02
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-03-12
- Annual census (N-CEN) — filed 2025-03-13
Related Funds
Other Balanced Allocation 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.