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ETF comparison

AGG vs CGMU

US Aggregate Bond vs US Municipal Bond.

iShares Core U.S. Aggregate Bond ETF · Capital Group Municipal Income ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of AGG and CGMU would leave roughly 0.0% of each dollar exposed to the same underlying securities.

AGG unmatched 98.5% Shared 0.0% CGMU unmatched 100.5%

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 AGG only
13,266 positions
Shared
0 positions
In CGMU only
2,335 positions

Side by side

AGG

iShares Core U.S. Aggregate Bond ETF

iShares · US Aggregate Bond

89 composite / 100
Expense ratio
0.030%
Net assets
$135.65B
TTM yield
4.13%
Top-10 conc.
4.0%
CGMU

Capital Group Municipal Income ETF

Capital Group · US Municipal Bond

86 composite / 100
Expense ratio
0.27%
Net assets
$6.76B
TTM yield
3.47%
Top-10 conc.
5.1%

Sub-score comparison

97
Cost
73
52
Tax efficiency
93
100
Liquidity
93
100
Concentration
100
—
Tracking quality
—
AGG sub-score CGMU

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

AGG is 24 bps cheaper than CGMU. On a $100,000 position that's about $240/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 AGG vs CGMU.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in AGG

13,266 total
  • United States Treasury 0.42%
  • United States Treasury 0.41%
  • United States Treasury 0.41%
  • United States Treasury 0.40%
  • United States Treasury 0.40%
  • United States Treasury 0.39%
  • United States Treasury 0.39%
  • United States Treasury 0.39%
  • United States Treasury 0.39%
  • United States Treasury 0.38%

Only in CGMU

2,335 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%
  • City of New York NY 0.51%
  • 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%

Related comparisons

More comparisons with AGG

More comparisons with CGMU

Percentages are holdings overlap with the named fund.

Open AGG or CGMU 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.