VBAIX Performance — Vanguard Balanced Index Fund, Institutional Shares
Data updated: 2026-08-28
VBAIX returned +6.97% year to date and +15.29% over one year to Jun 2026. Annualised returns are +14.02% over 3 years and +7.50% over 5 years. The fund beat its Moderate Allocation category average: $100 invested three years ago grew to $148, against $141 for the category, and to $115 over one year, against $115. Volatility over the past three years was 9.49% a year. In the 12 months to Jun 2026 the fund took in a net $463.2M, and assets reached $63.72B.
VBAIX Growth of $100
What $100 invested in Vanguard Balanced Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Moderate Allocation category average over the same months.
| Period | VBAIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $115 | $115 |
| 3 years (Jul 2023 – Jun 2026) | $148 | $141 |
| 5 years (Jul 2021 – Jun 2026) | $144 | $133 |
| Since data start (Jul 2019 – Jun 2026) | $194 | $169 |
VBAIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +6.97% |
| 1 year | +15.29% |
| 3 years (annualised) | +14.02% |
| 5 years (annualised) | +7.50% |
VBAIX Annual Returns
Calendar-year total returns of Vanguard Balanced Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +6.97% |
| 2025 | +13.59% |
| 2024 | +14.60% |
| 2023 | +17.58% |
| 2022 | −16.87% |
| 2021 | +14.20% |
| 2020 | +16.41% |
| 2019 (Jul–Dec) | +7.16% |
VBAIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +1.0% | +0.3% | −3.7% | +6.3% | +3.3% | −0.1% | — | — | — | — | — | — |
| 2025 | +2.1% | −0.3% | −3.5% | 0.0% | +3.6% | +3.7% | +1.3% | +1.9% | +2.5% | +1.6% | +0.4% | −0.1% |
| 2024 | +0.6% | +2.7% | +2.3% | −3.6% | +3.5% | +2.3% | +2.0% | +1.9% | +1.8% | −1.4% | +4.5% | −2.5% |
| 2023 | +5.4% | −2.4% | +2.6% | +0.9% | −0.2% | +3.9% | +2.2% | −1.4% | −3.9% | −2.2% | +7.4% | +4.7% |
| 2022 | −4.5% | −2.0% | +0.8% | −7.0% | +0.1% | −5.7% | +6.5% | −3.3% | −7.3% | +4.3% | +4.6% | −3.8% |
| 2021 | −0.5% | +1.3% | +1.5% | +3.5% | +0.4% | +1.9% | +1.5% | +1.7% | −3.1% | +4.0% | −0.8% | +2.2% |
| 2020 | +0.8% | −4.2% | −8.5% | +8.5% | +3.5% | +1.7% | +4.0% | +3.9% | −2.1% | −1.5% | +7.7% | +2.7% |
| 2019 | — | — | — | — | — | — | +1.0% | −0.1% | +0.8% | +1.4% | +2.3% | +1.7% |
VBAIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 9.49%
- 3-year Sharpe ratio: 1.00 (vs 4.5% risk-free rate)
- Best month: +7.40% (Nov 2023)
- Worst month: −3.88% (Sep 2023)
VBAIX Fund Flows
Monthly money in and out of Vanguard Balanced Index Fund, from SEC Form N-PORT.
- 12-month net flow: $463.2M
- 12-month gross sales (incl. reinvestments): $8.7B
- Sales ÷ redemptions: 1.06×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $716.4M | $740.8M | −$24.4M |
| May 2026 | $411.3M | $599.0M | −$187.7M |
| Apr 2026 | $386.7M | $636.5M | −$249.8M |
| Mar 2026 | $1.2B | $703.7M | $539.8M |
| Feb 2026 | $412.4M | $575.1M | −$162.7M |
| Jan 2026 | $549.8M | $942.3M | −$392.5M |
| Dec 2025 | $2.3B | $936.4M | $1.3B |
| Nov 2025 | $428.9M | $542.9M | −$114.0M |
| Oct 2025 | $487.4M | $733.7M | −$246.3M |
| Sep 2025 | $715.1M | $566.0M | $149.1M |
| Aug 2025 | $355.8M | $558.1M | −$202.3M |
| Jul 2025 | $702.4M | $690.7M | $11.7M |
VBAIX Assets Under Management
Net assets of Vanguard Balanced Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $63.72B |
| 2026-03-31 | $58.89B |
| 2025-12-31 | $61.25B |
| 2025-09-30 | $61.01B |
| 2025-06-30 | $58.01B |
| 2025-03-31 | $55.54B |
| 2024-12-31 | $57.60B |
| 2024-09-30 | $58.12B |
| 2024-06-30 | $55.54B |
| 2024-03-31 | $54.88B |
| 2023-12-31 | $52.24B |
| 2023-09-30 | $48.07B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.