ETF comparison
CGMU vs MUB
Both US Municipal Bond.
Capital Group Municipal Income ETF · iShares National Muni Bond ETF
Holdings overlap
159 positions appear in both funds. Buying equal dollars of CGMU and MUB would leave roughly 2.5% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MUB is 22 bps cheaper than CGMU. On a $100,000 position that's about $220/yr more in fees for CGMU.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with CGMU vs MUB.
Top shared holdings
159 shared in total| # | Holding | In CGMU | In MUB | Overlap |
|---|---|---|---|---|
| 1 | Board of Regents of the University of Texas System | 0.32% | 0.19% | 0.19% |
| 2 | Ohio State University/The | 0.22% | 0.13% | 0.13% |
| 3 | East County Advanced Water Purification Joint Powers Authority | 0.16% | 0.11% | 0.11% |
| 4 | New York City Municipal Water Finance Authority | 0.09% | 0.08% | 0.08% |
| 5 | State of Maryland Department of Transportation | 0.08% | 0.06% | 0.06% |
| 6 | City of New York NY | 0.51% | 0.06% | 0.06% |
| 7 | New York City Transitional Finance Authority Future Tax Secured Revenue | 0.06% | 0.05% | 0.05% |
| 8 | University of Pittsburgh-of the Commonwealth System of Higher Education | 0.15% | 0.05% | 0.05% |
| 9 | University of California | 0.06% | 0.05% | 0.05% |
| 10 | City of San Antonio TX Electric & Gas Systems Revenue | 0.14% | 0.04% | 0.04% |
| 11 | New York City Municipal Water Finance Authority | 0.10% | 0.04% | 0.04% |
| 12 | Los Angeles Department of Water & Power | 0.11% | 0.04% | 0.04% |
Only in CGMU
2,176 total- Commonwealth of Puerto Rico 0.82%
- Puerto Rico Sales Tax Financing Corp Sales Tax Revenue 0.69%
- Black Belt Energy Gas District 0.53%
- New York City Municipal Water Finance Authority 0.47%
- California Community Choice Financing Authority 0.45%
- County of Montgomery MD 0.44%
- New York City Municipal Water Finance Authority 0.44%
- Maryland Health & Higher Educational Facilities Authority 0.40%
- Black Belt Energy Gas District 0.38%
- Main Street Natural Gas Inc 0.34%
Only in MUB
6,494 total- New York State Thruway Authority 0.15%
- San Antonio Water System 0.14%
- Triborough Bridge & Tunnel Authority 0.14%
- New York City Transitional Finance Authority Future Tax Secured 0.13%
- New York State Dormitory Authority 0.13%
- Houston Higher Education Finance Corp. 0.13%
- Northwest Independent School District 0.13%
- State of New Jersey 0.13%
- State of California 0.12%
- State of Washington 0.12%
Related comparisons
More comparisons with CGMU
- CGMU vs SHM · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF 2.1%
- CGMU vs SUB · iShares Short-Term National Muni Bond ETF 1.6%
- CGMU vs PZA · Invesco National AMT-Free Municipal Bond ETF 1.4%
- CGMU vs NYF · iShares New York Muni Bond ETF 1.1%
- CGMU vs CMF · iShares California Muni Bond ETF 1.0%
- CGMU vs JMST · JPMorgan Ultra-Short Municipal Income ETF 0.7%
More comparisons with MUB
- MUB vs SHM · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF 1.7%
- MUB vs MUNI · PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 1.3%
- MUB vs JMST · JPMorgan Ultra-Short Municipal Income ETF 1.1%
- MUB vs HYD · VanEck High Yield Muni ETF 1.0%
- MUB vs AGG · iShares Core U.S. Aggregate Bond ETF 0.0%
- MUB vs BAB · Invesco Taxable Municipal Bond ETF 0.0%
Percentages are holdings overlap with the named fund.
Open CGMU or MUB at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.