Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
JAAA vs MUB: how they differ
JAAA and MUB hold 0% of their weight in the same names, and JAAA returned more over the year.
Janus Henderson AAA CLO ETF and iShares National Muni Bond ETF.
What they hold in common
By the books each fund has filed, JAAA and MUB hold 0% of their money in the same securities at the same weight.
| Only in JAAA | Only in MUB |
|---|---|
| KKR CLO 35 Ltd. 0.96% | Board of Regents of the University of Te 0.20% |
| AB BSL CLO 1 Ltd. 0.88% | New York State Thruway Authority 0.16% |
| Anchorage Capital CLO 16 Ltd. 0.82% | New York State Dormitory Authority 0.14% |
| Anchorage Capital CLO 17 Ltd. 0.80% | Houston Higher Education Finance Corp. 0.13% |
| Carlyle US CLO Ltd. 0.70% | Northwest Independent School District 0.13% |
| Carlyle US CLO Ltd. 0.67% | Ohio State University (The) 0.13% |
| Regatta XIX Funding Ltd. 0.67% | State of New Jersey 0.13% |
| Magnetite XXXII Ltd. 0.67% | State of California 0.13% |
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 May 31, 2026.
| JAAA Janus Henderson AAA CLO ETF | MUB iShares National Muni Bond ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Janus | iShares |
| What it is | Henderson AAA CLO | National Muni Bond |
| Total return, 1 year | +4.9% | +0.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −12.6 pts | −17.4 pts |
| Expense ratio | 0.20% | 0.05% |
| Holdings | 600 | 6603 |
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%.
MUB in plain words
MUB is a bond fund tracking the National Muni Bond. Over the year to Sep 11, 2026 it returned +0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. It sat 3.6% below its high of Jul 6, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, JAAA or MUB?
- In the year to Sep 12, 2026, with distributions reinvested, JAAA returned +4.9% and MUB returned +0.1%, so JAAA returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, JAAA or MUB?
- JAAA charges 0.20% a year and MUB charges 0.05%, so MUB is cheaper. Fees come from each fund's prospectus.
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, JAAA against MUB, data as of Sep 12, 2026. https://etfiq.com/compare/any/JAAA-MUB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources