Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IDEV vs MUB: how they differ
IDEV and MUB hold 0% of their weight in the same names, and IDEV returned more over the year.
iShares Core MSCI International Developed Markets ETF and iShares National Muni Bond ETF.
What they hold in common
By the books each fund has filed, IDEV and MUB hold 0% of their money in the same securities at the same weight.
| Only in IDEV | Only in MUB |
|---|---|
| ASML HOLDING 2.29% | HOUSTON TEX HIGHER ED FIN CORP 0.13% |
| HSBC HOLDINGS PLC 1.22% | DISTRICT COLUMBIA UNIV REV 0.10% |
| ROCHE PS PAR AG 1.02% | ECTOR CNTY TEX 0.08% |
| ROYAL BANK OF CANADA 0.98% | NEW ORLEANS LA 0.08% |
| SHELL PLC 0.91% | PORT TACOMA WASH REV 0.08% |
| MITSUBISHI UFJ FINANCIAL GROUP 0.88% | CONTRA COSTA CALIF CMNTY COLLE 0.06% |
| NOVARTIS AG 0.87% | LOS ANGELES CALIF 0.06% |
| NESTLE SA 0.85% | LOS ANGELES CNTY CALIF 0.06% |
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 Sep 10, 2026.
| IDEV iShares Core MSCI International Developed Markets ETF | MUB iShares National Muni Bond ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Core MSCI International Developed Markets | National Muni Bond |
| Total return, 1 year | +18.7% | +0.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +1.2 pts | −17.4 pts |
| Expense ratio | 0.04% | 0.05% |
| Holdings | 1782 | 5215 |
IDEV in plain words
IDEV is an index equity fund tracking the Core MSCI International Developed Markets. Over the year to Sep 11, 2026 it returned +18.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1782 positions, with the top ten at 10.6%.
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, IDEV or MUB?
- In the year to Sep 13, 2026, with distributions reinvested, IDEV returned +18.7% and MUB returned +0.1%, so IDEV returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IDEV or MUB?
- IDEV charges 0.04% a year and MUB charges 0.05%, so IDEV is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where to next
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, IDEV against MUB, data as of Sep 13, 2026. https://etfiq.com/compare/any/idev-vs-mub Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources