Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MTUM vs VB: how they differ
MTUM and VB hold 2% of their weight in the same names, and MTUM returned more over the year.
iShares MSCI USA Momentum Factor ETF and Vanguard Small-Cap Index Fund.
What they hold in common
By the books each fund has filed, MTUM and VB hold 2% of their money in the same securities at the same weight.
| Holding | MTUM | VB |
|---|---|---|
| NRG ENERGY, INC. | 0.26% | 0.38% |
| NISOURCE INC. | 0.15% | 0.14% |
| FTAI Aviation Ltd. | 0.12% | 0.34% |
| Credo Technology Group Holding Ltd | 0.12% | 0.55% |
| CURTISS-WRIGHT CORPORATION | 0.10% | 0.34% |
| ALLIANT ENERGY CORPORATION | 0.10% | 0.12% |
| TAPESTRY, INC. | 0.10% | 0.36% |
| ECHOSTAR CORPORATION | 0.09% | 0.17% |
| C.H. ROBINSON WORLDWIDE, INC. | 0.08% | 0.26% |
| AST SPACEMOBILE, INC. | 0.08% | 0.15% |
| JABIL INC. | 0.08% | 0.49% |
| EMCOR GROUP, INC. | 0.08% | 0.45% |
| Only in MTUM | Only in VB |
|---|---|
| MICRON TECHNOLOGY, INC. 5.57% | Twilio Inc 0.38% |
| BROADCOM INC. 5.41% | MKS Instruments Inc 0.37% |
| NVIDIA CORPORATION 4.65% | Casey's General Stores Inc 0.36% |
| ADVANCED MICRO DEVICES, INC. 4.04% | Carpenter Technology Corp 0.35% |
| INTEL CORPORATION 3.84% | Entegris Inc 0.33% |
| JOHNSON & JOHNSON 3.76% | Williams-Sonoma Inc 0.33% |
| LAM RESEARCH CORPORATION 3.62% | nVent Electric PLC 0.33% |
| EXXON MOBIL CORPORATION 3.44% | ATI Inc 0.33% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Jun 30, 2026.
| MTUM iShares MSCI USA Momentum Factor ETF | VB Vanguard Small-Cap Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | MSCI USA Momentum Factor | Small-Cap |
| Total return, 1 year | +21.8% | +15.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +4.3 pts | −2.3 pts |
| Expense ratio | 0.15% | 0.03% |
| Already in the S&P 500 | 98.2% | 21.7% |
| Holdings | 125 | 1311 |
MTUM in plain words
MTUM is an index equity fund tracking the MSCI USA Momentum Factor. Over the year to Sep 11, 2026 it returned +21.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Apr 30, 2026, 98% of the fund by weight is stocks the S&P 500 also holds, across 125 positions, with the top ten at 40.5%. It sat 11.1% below its high of Jun 22, 2026 on Sep 11, 2026.
VB in plain words
VB is an index equity fund tracking the Small-Cap. Over the year to Sep 11, 2026 it returned +15.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 1311 positions, with the top ten at 4.3%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MTUM or VB?
- In the year to Sep 12, 2026, with distributions reinvested, MTUM returned +21.8% and VB returned +15.2%, so MTUM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MTUM or VB?
- MTUM charges 0.15% a year and VB charges 0.03%, so VB is cheaper. Fees come from each fund's prospectus.
- How much do MTUM and VB overlap with the S&P 500?
- By their latest filed holdings, 98% of MTUM and 22% of VB by weight is stocks the S&P 500 already holds. Between the two funds, 2% of their books are the same securities at the same weight.
Other comparisons
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, MTUM against VB, data as of Sep 12, 2026. https://etfiq.com/compare/any/MTUM-VB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources