MUB vs MUNX
iShares National Muni Bond ETF against AMG GW&K Muni Income ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
0%
7 shared positions
Fee gap
24 bp
MUB is cheaper
1-year return gap
—
Larger fund
MUB
$52.1B
Side by side
| MUB | MUNX | |
|---|---|---|
| Fund | iShares National Muni Bond ETF | AMG GW&K Muni Income ETF |
| Issuer | iShares | AMG |
| Category | National Muni | National Muni |
| Expense ratio | 0.05% | 0.29% |
| Assets | $52.1B | $20M |
| Average daily dollar volume | $1.8B | $79K |
| Listed | Sep 7, 2007 | Oct 29, 2025 |
| FrenzyCap score | 99 | 32 |
| 1-month return | −0.3% | −0.9% |
| 3-month return | −2.7% | −3.6% |
| Year to date | −4.3% | −4.9% |
| 1-year return | −4.7% | — |
| 30-day volatility | 6.3% | 7.2% |
| Worst drawdown, 1 year | −7.9% | −8.6% |
| Trailing 12-month yield | 3.33% | 3.36% |
| Holdings | 7,665 | 75 |
| Top 10 weight | 1.2% | 23.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$2.4B thru May 2026 | +$3.0M thru Jun 2026 |
| 30-day implied volatility | 7.5% | — |
| Holdings as of | as of Oct 20, 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
0% of MUB · 9% of MUNX| Holding | MUB | MUNX |
|---|---|---|
| JEFFERSON CNTY ALA SWR REV 5.5%, due Oct 1, 2053 | 0.04% | 2.61% |
| LOS ANGELES CALIF DEPT WTR & P 5%, due Jul 1, 2034 | 0.02% | 1.12% |
| NEW JERSEY ST TRANSN TR FD AUT 4%, due Jun 15, 2034 | 0.02% | 1.02% |
| ALABAMA ST PUB SCH & COLLEGE A 4%, due Nov 1, 2040 | 0.01% | 1.00% |
| INTERMOUNTAIN PWR AGY UTAH PWR 5%, due Jul 1, 2041 | 0.00% | 1.04% |
| SOUTH CAROLINA ST PUB SVCS AUT 4%, due Dec 1, 2035 | 0.00% | 1.32% |
| PHILADELPHIA PA 4%, due May 1, 2037 | 0.00% | 0.99% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · MUB holdings · MUNX 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.