Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
JAAA vs MTUM: how they differ
JAAA and MTUM hold 0% of their weight in the same names, and MTUM returned more over the year.
Janus Henderson AAA CLO ETF and iShares MSCI USA Momentum Factor ETF.
What they hold in common
By the books each fund has filed, JAAA and MTUM hold 0% of their money in the same securities at the same weight.
| Only in JAAA | Only in MTUM |
|---|---|
| KKR CLO 35 Ltd. 0.96% | MICRON TECHNOLOGY, INC. 5.57% |
| AB BSL CLO 1 Ltd. 0.88% | BROADCOM INC. 5.41% |
| Anchorage Capital CLO 16 Ltd. 0.82% | NVIDIA CORPORATION 4.65% |
| Anchorage Capital CLO 17 Ltd. 0.80% | ADVANCED MICRO DEVICES, INC. 4.04% |
| Carlyle US CLO Ltd. 0.70% | INTEL CORPORATION 3.84% |
| Carlyle US CLO Ltd. 0.67% | JOHNSON & JOHNSON 3.76% |
| Regatta XIX Funding Ltd. 0.67% | LAM RESEARCH CORPORATION 3.62% |
| Magnetite XXXII Ltd. 0.67% | 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.
| JAAA Janus Henderson AAA CLO ETF | MTUM iShares MSCI USA Momentum Factor ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Janus | iShares |
| What it is | Henderson AAA CLO | MSCI USA Momentum Factor |
| Total return, 1 year | +4.9% | +21.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −12.6 pts | +4.3 pts |
| Expense ratio | 0.20% | 0.15% |
| Already in the S&P 500 | 0.0% | 98.2% |
| Holdings | 600 | 125 |
JAAA in plain words
JAAA is an index equity fund tracking the Henderson AAA CLO. Over the year to Sep 11, 2026 it returned +4.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.20% a year. By its holdings filed for Apr 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 600 positions, with the top ten at 7.5%.
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, JAAA or MTUM?
- In the year to Sep 12, 2026, with distributions reinvested, JAAA returned +4.9% and MTUM returned +21.8%, so MTUM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, JAAA or MTUM?
- JAAA charges 0.20% a year and MTUM charges 0.15%, so MTUM is cheaper. Fees come from each fund's prospectus.
- How much do JAAA and MTUM overlap with the S&P 500?
- By their latest filed holdings, 0% of JAAA 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, JAAA against MTUM, data as of Sep 12, 2026. https://etfiq.com/compare/any/JAAA-MTUM Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources