Data as of Oct 28, 2026.
MTUM vs VO: Differences, Returns & Fees
Over the year to Oct 28, 2026, MTUM returned +18.4% to VO's +12.8%; 20% of their weight is in the same names.
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Net assets: $18.7bn on Oct 27, 2026 for iShares MSCI USA Momentum Factor ETF, and $103.4bn on Sep 30, 2026 for Vanguard Morningstar Mid-Cap ETF.
Pair scorecard
VO costs 0.12 points a year less; their one-year returns differ by 5.6 points; VO is 5.1 times larger.
| Measure | MTUM | VO |
|---|---|---|
| Return | ||
| Total return, 1 year | +18.4% | +12.8% |
| Drawdown | ||
| Below its high | 11.9%, high on Jun 22, 2026 | 3.1%, high on Aug 14, 2026 |
| Benchmark | ||
| What it tracks | MSCI USA Momentum SR Variant Index | Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index) |
| Cost and size | ||
| Expense ratio | 0.15% | 0.03% |
| Net assets, as of Sep 30, 2026 | $20.4bn | $103.4bn |
| Holdings | ||
| Holdings in common | 20% | |
| Top ten holdings, share of the fund | 35.5% | 9.7% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Apr 26, 2013 to Oct 23, 2026 · 704 weekly returnsMTUM returned more: +554.7% to +323.6%. VO swung slightly less: 17.5% to 19.0%. MTUM fell less at its worst: −31.9% to −37.4%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | MTUM | VO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +554.7% | +323.6% | MTUM | Price change plus distributions, reinvested. |
| Annualized | +14.9% | +11.3% | MTUM | Total return as a yearly rate. |
| Price return | +459.1% | +245.5% | MTUM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 19.0% | 17.5% | VO (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.0% | 12.2% | VO (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −31.9% | −37.4% | MTUM | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.73 | 0.59 | MTUM | Return above Treasury bills per unit of volatility. |
| Sortino | 1.07 | 0.85 | MTUM | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.47 | 0.30 | MTUM | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 704 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, MTUM and VO hold 20% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
20% in common
Only in one fund ↓
Side by side
MTUM and VO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MTUM and VO do different jobs. What does each one do in a portfolio?
- What each follows. MTUM follows MSCI USA Momentum SR Variant Index and VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index).
- Holdings in common. 20% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 MTUM returned +18.4% and VO +12.8% with distributions reinvested, a gap of 5.6 points.
Data as of Oct 28, 2026.
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MTUM
MTUM tracks the MSCI USA Momentum Factor. Over the year to Oct 28, 2026 it returned +18.4% with distributions reinvested, against +13.6% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 93% of the fund by weight is stocks the S&P 500 also holds, across 126 positions, with the top ten at 35.5%. It sat 11.9% below its high of Jun 22, 2026 on Oct 28, 2026.
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, MTUM or VO?
- In the year to Oct 28, 2026, with distributions reinvested, MTUM returned +18.4% and VO +12.8%.
- Which is cheaper, MTUM or VO?
- VO is cheaper, by 0.12 percentage points a year. That is about $12 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, MTUM against VO, data as of Oct 28, 2026. https://etfiq.com/compare/any/mtum-vs-vo
ETFIQ. (Oct 28, 2026). MTUM against VO. Retrieved from https://etfiq.com/compare/any/mtum-vs-vo
[MTUM against VO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mtum-vs-vo)
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