CGMU vs MUNX
Capital Group Municipal Income 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
1%
8 shared positions
Fee gap
2 bp
CGMU is cheaper
1-year return gap
—
Larger fund
CGMU
$7.2B
Side by side
| CGMU | MUNX | |
|---|---|---|
| Fund | Capital Group Municipal Income ETF | AMG GW&K Muni Income ETF |
| Issuer | Capital Group | AMG |
| Category | National Muni | National Muni |
| Expense ratio | 0.27% | 0.29% |
| Assets | $7.2B | $20M |
| Average daily dollar volume | $97M | $79K |
| Listed | Oct 25, 2022 | Oct 29, 2025 |
| FrenzyCap score | 82 | 32 |
| 1-month return | −0.2% | −0.9% |
| 3-month return | −2.4% | −3.6% |
| Year to date | −3.6% | −4.9% |
| 1-year return | −3.8% | — |
| 30-day volatility | 5.7% | 7.2% |
| Worst drawdown, 1 year | −7.7% | −8.6% |
| Trailing 12-month yield | 3.50% | 3.36% |
| Holdings | 2,637 | 75 |
| Top 10 weight | 5.7% | 23.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$690M thru Jun 2026 | +$3.0M thru Jun 2026 |
| 30-day implied volatility | — | — |
| 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
1% of CGMU · 12% of MUNX| Holding | CGMU | MUNX |
|---|---|---|
| SOUTHEAST ENERGY AUTHORITY A C SEEPWR 10/30 FIXED 5, due Oct 15, 2030 | 0.55% | 1.78% |
| CALIFORNIA CMNTY CHOICE FING A CCEDEV 06/36 FIXED 5, due Jun 15, 2036 | 0.37% | 0.81% |
| BLACK BELT ENERGY GAS DIST AL BBEUTL 01/34 FIXED 5, due Jan 15, 2034 | 0.25% | 1.04% |
| NEW YORK ST TRANSPRTN DEV CORP NYTTRN 10/40 FIXED 5, due Oct 15, 2040 | 0.08% | 1.79% |
| TEXAS ST TRANSPRTN COMMISSION TXSTRN 08/39 FIXED 5, due Aug 15, 2039 | 0.04% | 1.63% |
| LEE CNTY FL ARPT REVENUE LEEAPT 10/56 ADJUSTABLE VAR, due Oct 15, 2056 | 0.02% | 1.07% |
| PENNSYLVANIA ST ECON DEV FING PASDEV 06/35 FIXED 5.25, due Jun 15, 2035 | 0.01% | 2.57% |
| CHICAGO IL TRANSIT AUTH SALES CHITRN 12/43 FIXED 5, due Dec 15, 2043 | 0.01% | 1.57% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · CGMU 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.