MUB vs SCMB
iShares National Muni Bond ETF against Schwab Municipal Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
21%
2508 shared positions
Fee gap
2 bp
SCMB is cheaper
1-year return gap
0.6 pts
MUB is ahead
Larger fund
MUB
$51.7B
Side by side
| MUB | SCMB | |
|---|---|---|
| Fund | iShares National Muni Bond ETF | Schwab Municipal Bond ETF |
| Issuer | iShares | Schwab |
| Category | National Muni | National Muni |
| Expense ratio | 0.05% | 0.03% |
| Assets | $51.7B | $4.0B |
| Average daily dollar volume | $1.8B | $157M |
| Listed | Sep 7, 2007 | Oct 11, 2022 |
| FrenzyCap score | 99 | 99 |
| 1-month return | −0.5% | −0.2% |
| 3-month return | −3.3% | −3.7% |
| Year to date | −4.4% | −5.0% |
| 1-year return | −4.7% | −5.4% |
| 30-day volatility | 6.5% | 7.1% |
| Worst drawdown, 1 year | −7.9% | −8.7% |
| Trailing 12-month yield | 3.34% | 3.75% |
| Holdings | 7,622 | 6,845 |
| Top 10 weight | 1.2% | 1.9% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$2.4B thru May 2026 | +$390M thru Jun 2026 |
| 30-day implied volatility | 6.9% | — |
| Holdings as of | as of Oct 19, 2026issuer data | as of Jun 30, 2026SEC filing |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
37% of MUB · 44% of SCMB| Holding | MUB | SCMB |
|---|---|---|
| CALIFORNIA ST 5%, due Sep 1, 2031 | 0.10% | 0.15% |
| CHICAGO ILL TRAN AUTH SALES TA 5%, due Dec 1, 2049 | 0.09% | 0.14% |
| NEW YORK ST DORM AUTH REVS NON 5.5%, due Jul 1, 2054 | 0.09% | 0.08% |
| NEW JERSEY ST TRANSN TR FD AUTH, due Dec 15, 2032 | 0.08% | 0.11% |
| MASSACHUSETTS ST 5%, due May 1, 2048 | 0.07% | 0.09% |
| OHIO ST UNIV GEN RCPTS 5%, due Jun 1, 2035 | 0.11% | 0.07% |
| WASHINGTON ST 4%, due Jul 1, 2027 | 0.06% | 0.10% |
| JEFFERSON CNTY ALA SWR REV 5.25%, due Oct 1, 2049 | 0.06% | 0.07% |
| MARYLAND ST 5%, due Mar 15, 2038 | 0.06% | 0.13% |
| NEW YORK ST DORM AUTH ST PERS 4%, due Feb 15, 2047 | 0.10% | 0.06% |
| METROPOLITAN GOVT NASHVILLE & 5%, due Jan 1, 2036 | 0.07% | 0.06% |
| PENNSYLVANIA ST 4%, due Sep 1, 2040 | 0.05% | 0.11% |
| BATTERY PK CITY AUTH N Y REV 5%, due Nov 1, 2053 | 0.06% | 0.05% |
| UNIVERSITY CALIF REVS 4%, due May 15, 2047 | 0.05% | 0.07% |
| CALIFORNIA ST PUB WKS BRD LEAS 5%, due Apr 1, 2049 | 0.05% | 0.15% |
| NEW YORK ST DORM AUTH ST PERS 5%, due Mar 15, 2031 | 0.05% | 0.09% |
| ILLINOIS ST 5%, due Dec 1, 2040 | 0.06% | 0.05% |
| OKLAHOMA TRANSN AUTH OK F/K/A 5.5%, due Jan 1, 2054 | 0.05% | 0.08% |
| TRIBOROUGH BRDG & TUNL AUTH N 5%, due May 15, 2051 | 0.09% | 0.05% |
| NEW JERSEY ST 5%, due Jun 1, 2028 | 0.11% | 0.05% |
| NEW JERSEY ST 4%, due Jun 1, 2030 | 0.07% | 0.05% |
| NEW YORK N Y 5%, due Aug 1, 2029 | 0.05% | 0.20% |
| NEW YORK ST URBAN DEV CORP REV 5%, due Mar 15, 2036 | 0.05% | 0.14% |
| LOS ANGELES CALIF UNI SCH DIST 5%, due Jul 1, 2032 | 0.05% | 0.07% |
| LOUISVILLE & JEFFERSON CNTY KY 5%, due May 15, 2037 | 0.05% | 0.15% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · MUB holdings · SCMB holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.