Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
ACWX vs MUB: how they differ
ACWX and MUB hold 0% of their weight in the same names, and ACWX returned more over the year.
iShares MSCI ACWI ex U.S. ETF and iShares National Muni Bond ETF.
What they hold in common
By the books each fund has filed, ACWX and MUB hold 0% of their money in the same securities at the same weight.
| Only in ACWX | Only in MUB |
|---|---|
| Taiwan Semiconductor Manufacturing Compa 4.69% | Board of Regents of the University of Te 0.20% |
| ASML Holding N.V. 1.54% | New York State Thruway Authority 0.16% |
| SK hynix Inc. 1.33% | New York State Dormitory Authority 0.14% |
| Tencent Holdings Limited 1.07% | Houston Higher Education Finance Corp. 0.13% |
| HSBC HOLDINGS PLC 0.86% | Northwest Independent School District 0.13% |
| ASTRAZENECA PLC 0.81% | Ohio State University (The) 0.13% |
| Alibaba Group Holding Limited 0.79% | State of New Jersey 0.13% |
| Novartis AG 0.77% | 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.
| ACWX iShares MSCI ACWI ex U.S. ETF | MUB iShares National Muni Bond ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | MSCI ACWI ex U.S. | National Muni Bond |
| Total return, 1 year | +23.0% | +0.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.5 pts | −17.4 pts |
| Expense ratio | 0.32% | 0.05% |
| Holdings | 1759 | 6603 |
ACWX in plain words
ACWX is an index equity fund tracking the MSCI ACWI ex U.S.. Over the year to Sep 11, 2026 it returned +23.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.32% 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 1759 positions, with the top ten at 14.6%.
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, ACWX or MUB?
- In the year to Sep 12, 2026, with distributions reinvested, ACWX returned +23.0% and MUB returned +0.1%, so ACWX returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ACWX or MUB?
- ACWX charges 0.32% a year and MUB charges 0.05%, so MUB is cheaper. Fees come from each fund's prospectus.
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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, ACWX against MUB, data as of Sep 12, 2026. https://etfiq.com/compare/any/ACWX-MUB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources