Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IJR vs MTUM: how they differ
IJR and MTUM hold 0% of their weight in the same names, and MTUM returned more over the year.
iShares Core S&P Small-Cap ETF and iShares MSCI USA Momentum Factor ETF.
What they hold in common
By the books each fund has filed, IJR and MTUM hold 0% of their money in the same securities at the same weight.
| Only in IJR | Only in MTUM |
|---|---|
| FORMFACTOR INC 0.69% | MICRON TECHNOLOGY, INC. 5.57% |
| VIASAT INC 0.68% | BROADCOM INC. 5.41% |
| MOLINA HEALTHCARE INC 0.66% | NVIDIA CORPORATION 4.65% |
| ARGAN INC 0.62% | ADVANCED MICRO DEVICES, INC. 4.04% |
| BRIGHTSPRING HEALTH SERVICES INC 0.61% | INTEL CORPORATION 3.84% |
| ELEMENT SOLUTIONS INC 0.61% | JOHNSON & JOHNSON 3.76% |
| MAXLINEAR INC 0.60% | LAM RESEARCH CORPORATION 3.62% |
| KRYSTAL BIOTECH INC 0.54% | EXXON MOBIL CORPORATION 3.44% |
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.
| IJR iShares Core S&P Small-Cap ETF | MTUM iShares MSCI USA Momentum Factor ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | S&P SmallCap 600 | MSCI USA Momentum Factor |
| Total return, 1 year | +19.9% | +21.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +2.4 pts | +4.3 pts |
| Expense ratio | 0.06% | 0.15% |
| Already in the S&P 500 | 0.0% | 98.2% |
| Holdings | 603 | 125 |
IJR in plain words
IJR is an index equity fund tracking the S&P SmallCap 600. Over the year to Sep 11, 2026 it returned +19.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 603 positions, with the top ten at 6.0%. It sat 5.5% below its high of Aug 14, 2026 on Sep 11, 2026.
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.
Questions people ask
- Which returned more over the last year, IJR or MTUM?
- In the year to Sep 12, 2026, with distributions reinvested, IJR returned +19.9% and MTUM returned +21.8%, so MTUM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IJR or MTUM?
- IJR charges 0.06% a year and MTUM charges 0.15%, so IJR is cheaper. Fees come from each fund's prospectus.
- How much do IJR and MTUM overlap with the S&P 500?
- By their latest filed holdings, 0% of IJR and 98% of MTUM by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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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, IJR against MTUM, data as of Sep 12, 2026. https://etfiq.com/compare/any/IJR-MTUM Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources