Data as of Oct 28, 2026.
VBIL vs VO: Differences, Returns & Fees
Over the year to Oct 28, 2026, VBIL returned +3.7% to VO's +12.8%; 0% of their weight is in the same names.
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Net assets on Sep 30, 2026: $12.8bn for Vanguard 0-3 Month Treasury Bill ETF and $103.4bn for Vanguard Morningstar Mid-Cap ETF.
Pair scorecard
VO costs 0.03 points a year less; their one-year returns differ by 9.1 points; VO is 8.1 times larger.
| Measure | VBIL | VO |
|---|---|---|
| Return | ||
| Total return, 1 year | +3.7% | +12.8% |
| Drawdown | ||
| Below its high | 3.1%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Bloomberg U.S. Treasury Bills 0-3 Months Index | Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index) |
| Cost and size | ||
| Expense ratio | 0.06% | 0.03% |
| Net assets, as of Sep 30, 2026 | $12.8bn | $103.4bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 91% | |
| Top ten holdings, share of the fund | 9.7% | |
Holdings in common uses holdings dated Sep 30, 2026. Method
Risk and return
Feb 21, 2025 to Oct 23, 2026 · 87 weekly returnsVO returned more: +22.7% to +6.7%. VBIL swung less: 0.1% to 13.5%. VBIL fell less at its worst: 0.0% to −13.0%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | VBIL | VO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +6.7% | +22.7% | VO | Price change plus distributions, reinvested. |
| Annualized | +3.9% | +13.0% | VO | Total return as a yearly rate. |
| Price return | +0.8% | +19.5% | VO | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 0.1% | 13.5% | VBIL | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 0.1% | 9.8% | VBIL | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | 0.0% | −13.0% | VBIL | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | −0.64 | 0.68 | VO | Return above Treasury bills per unit of volatility. |
| Sortino | −0.90 | 0.94 | VO | Return above Treasury bills per unit of downside deviation. |
| Calmar | Not measured | 1.00 | Annualized return divided by the max drawdown. | |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 87 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, VBIL and VO hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026.
half
0% in common
Only in one fund ↓
Side by side
VBIL and VO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VBIL and VO do different jobs. What does each one do in a portfolio?
- What each follows. VBIL follows Bloomberg U.S. Treasury Bills 0-3 Months Index and VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index).
- Holdings in common. 0% of the weight is in the same securities (holdings dated Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 VBIL returned +3.7% and VO +12.8% with distributions reinvested, a gap of 9.1 points.
Data as of Oct 28, 2026.
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VBIL
VBIL tracks an index of 0-3 Month Treasury Bill. Over the year to Oct 28, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.06% a year.
VO
VO tracks an index of Mid-Cap. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 273 positions, with the top ten at 9.7%. It sat 3.1% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, VBIL or VO?
- In the year to Oct 28, 2026, with distributions reinvested, VBIL returned +3.7% and VO +12.8%.
- Which is cheaper, VBIL or VO?
- VO is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, VBIL against VO, data as of Oct 28, 2026. https://etfiq.com/compare/any/vbil-vs-vo
ETFIQ. (Oct 28, 2026). VBIL against VO. Retrieved from https://etfiq.com/compare/any/vbil-vs-vo
[VBIL against VO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/vbil-vs-vo)
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