VBIL Performance — Vanguard 0-3 Month Treasury Bill ETF
Data updated: 2026-08-28
VBIL returned +1.78% year to date and +3.88% over one year to Jun 2026. Over one year the fund beat its Ultrashort Government Bond category average: $100 grew to $104, against $101 for the category. Volatility over the past 12 months was 0.11% a year. In the 12 months to Jun 2026 the fund took in a net $7.5B, and assets reached $9.35B.
VBIL Growth of $100
What $100 invested in Vanguard 0-3 Month Treasury Bill ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Ultrashort Government Bond category average over the same months.
| Period | VBIL | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $101 |
| Since data start (Feb 2025 – Jun 2026) | $106 | $102 |
VBIL Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.78% |
| 1 year | +3.88% |
VBIL Annual Returns
Calendar-year total returns of Vanguard 0-3 Month Treasury Bill ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.78% |
| 2025 (Feb–Dec) | +3.74% |
VBIL 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 | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | — | +0.2% | +0.3% | +0.4% | +0.4% | +0.3% | +0.4% | +0.4% | +0.3% | +0.4% | +0.3% | +0.3% |
VBIL Risk
Risk measures from monthly returns over Jul 2025 – Jun 2026.
- 1-year volatility (annualised): 0.11%
- Best month: +0.37% (Aug 2025)
- Worst month: +0.28% (Feb 2026)
VBIL Fund Flows
Monthly money in and out of Vanguard 0-3 Month Treasury Bill ETF, from SEC Form N-PORT.
- 12-month net flow: $7.5B
- 12-month gross sales (incl. reinvestments): $8.4B
- Sales ÷ redemptions: 8.54×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $1.0B | $54.8M | $976.5M |
| May 2026 | $1.2B | $171.9M | $1.0B |
| Apr 2026 | $977.8M | $296.6M | $681.3M |
| Mar 2026 | $1.1B | $24.5M | $1.1B |
| Feb 2026 | $538.0M | $37.8M | $500.2M |
| Jan 2026 | $458.7M | $56.6M | $402.1M |
| Dec 2025 | $514.8M | $71.7M | $443.1M |
| Nov 2025 | $524.6M | $64.2M | $460.5M |
| Oct 2025 | $739.8M | $113.3M | $626.5M |
| Sep 2025 | $509.3M | $54.7M | $454.6M |
| Aug 2025 | $428.2M | $43.4M | $384.8M |
| Jul 2025 | $401.7M | $0 | $401.7M |
VBIL Assets Under Management
Net assets of Vanguard 0-3 Month Treasury Bill ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $9.35B |
| 2026-03-31 | $6.67B |
| 2025-12-31 | $4.64B |
| 2025-09-30 | $3.12B |
| 2025-06-30 | $1.87B |
| 2025-03-31 | $550.60M |
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.