Data as of Oct 28, 2026.
VO vs VOOG: Differences, Returns & Fees
Over the year to Oct 28, 2026, VO returned +12.8% to VOOG's +12.1%; 7% of their weight is in the same names.
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Net assets on Sep 30, 2026: $103.4bn for Vanguard Morningstar Mid-Cap ETF and $27.8bn for Vanguard S&P 500 Growth ETF.
Pair scorecard
VO costs 0.02 points a year less; their one-year returns differ by 0.7 points; VO is 3.7 times larger.
| Measure | VO | VOOG |
|---|---|---|
| Return | ||
| Total return, 1 year | +12.8% | +12.1% |
| Drawdown | ||
| Below its high | 3.1%, high on Aug 14, 2026 | 4.1%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index) | S&P 500 Growth Index |
| Cost and size | ||
| Expense ratio | 0.03% | 0.05% |
| Net assets, as of Sep 30, 2026 | $103.4bn | $27.8bn |
| Holdings | ||
| Holdings in common | 7% | |
| Top ten holdings, share of the fund | 9.7% | 60.2% |
Holdings in common uses holdings dated Sep 30, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returnsVOOG returned more: +1,043.0% to +536.6%. VO and VOOG swung about the same: 17.7% and 17.5%. VOOG fell less at its worst: −32.0% to −37.4%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | VO | VOOG | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +536.6% | +1,043.0% | VOOG | Price change plus distributions, reinvested. |
| Annualized | +12.1% | +16.3% | VOOG | Total return as a yearly rate. |
| Price return | +399.1% | +845.5% | VOOG | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 17.7% | 17.5% | Tie | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 12.3% | 11.7% | VOOG (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −37.4% | −32.0% | VOOG | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.65 | 0.86 | VOOG | Return above Treasury bills per unit of volatility. |
| Sortino | 0.93 | 1.28 | VOOG | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.32 | 0.51 | VOOG | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 840 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, VO and VOOG hold 7% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026.
half
7% in common
Only in one fund ↓
Side by side
VO and VOOG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VO and VOOG do different jobs. What does each one do in a portfolio?
- What each follows. VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index) and VOOG follows S&P 500 Growth Index.
- Holdings in common. 7% of the weight is in the same securities (holdings dated Sep 30, 2026).
- Size. VO has $103.4bn in net assets and VOOG $27.8bn (net assets, as of Sep 30, 2026); VO is 3.7 times larger.
Data as of Oct 28, 2026.
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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.
VOOG
VOOG tracks the S&P 500 Growth. Over the year to Oct 28, 2026 it returned +12.1% with distributions reinvested, against +12.1% for its benchmark, the S&P 500 Growth Index. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 154 positions, with the top ten at 60.2%. It sat 4.1% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, VO or VOOG?
- In the year to Oct 28, 2026, with distributions reinvested, VO returned +12.8% and VOOG +12.1%.
- Which is cheaper, VO or VOOG?
- VO is cheaper, by 0.02 percentage points a year. That is about $2 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, VO against VOOG, data as of Oct 28, 2026. https://etfiq.com/compare/any/vo-vs-voog
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