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ETF comparison

CGMU vs MUB

Both US Municipal Bond.

Capital Group Municipal Income ETF · iShares National Muni Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
2.6 %

167 positions appear in both funds. Buying equal dollars of CGMU and MUB would leave roughly 2.6% of each dollar exposed to the same underlying securities.

CGMU unmatched 97.9% Shared 2.6% MUB unmatched 96.9%

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.

In CGMU only
2,168 positions
Shared
167 positions
In MUB only
6,885 positions

Side by side

CGMU

Capital Group Municipal Income ETF

Capital Group · US Municipal Bond

86 composite / 100
Expense ratio
0.27%
Net assets
$7.46B
TTM yield
3.12%
Top-10 conc.
5.1%
MUB

iShares National Muni Bond ETF

iShares · US Municipal Bond

97 composite / 100
Expense ratio
0.050%
Net assets
$54.41B
TTM yield
3.00%
Top-10 conc.
1.4%

Sub-score comparison

73
Cost
95
93
Tax efficiency
93
94
Liquidity
100
100
Concentration
100
—
Tracking quality
—
CGMU sub-score MUB

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

167 shared in total
# Holding In CGMU In MUB Overlap
1 Board of Regents of the University of Texas System 0.32% 0.18% 0.18%
2 Ohio State University/The 0.22% 0.12% 0.12%
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 University of California 0.19% 0.06% 0.06%
6 State of Maryland Department of Transportation 0.08% 0.06% 0.06%
7 City of Los Angeles CA 0.11% 0.06% 0.06%
8 New York City Transitional Finance Authority Future Tax Secured Revenue 0.06% 0.04% 0.04%
9 University of Pittsburgh-of the Commonwealth System of Higher Education 0.15% 0.04% 0.04%
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 University of California 0.06% 0.04% 0.04%

Only in CGMU

2,168 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

6,885 total
  • San Antonio Water System 0.15%
  • New York State Thruway Authority 0.15%
  • New York State Dormitory Authority 0.13%
  • Northwest Independent School District 0.12%
  • Houston Higher Education Finance Corp. 0.12%
  • State of New Jersey 0.12%
  • State of Washington 0.12%
  • State of California 0.12%
  • City of Seattle 0.11%
  • Chicago Transit Authority Sales Tax Receipts Fund 0.11%

Related comparisons

More comparisons with CGMU

More comparisons with MUB

Percentages are holdings overlap with the named fund.

Open CGMU or MUB at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

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.