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ETF comparison

AGG vs MUB

US Aggregate Bond vs US Municipal Bond.

iShares Core U.S. Aggregate Bond ETF · iShares National Muni Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

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

AGG unmatched 98.5% Shared 0.0% MUB unmatched 98.3%

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 MUB only
6,653 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%
MUB

iShares National Muni Bond ETF

iShares · US Municipal Bond

97 composite / 100
Expense ratio
0.050%
Net assets
$46.62B
TTM yield
3.30%
Top-10 conc.
1.4%

Sub-score comparison

97
Cost
95
52
Tax efficiency
93
100
Liquidity
100
100
Concentration
100
—
Tracking quality
—
AGG sub-score MUB

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

Cost difference

AGG is 2 bps cheaper than MUB. On a $100,000 position that's about $20/yr more in fees for MUB.

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 MUB.

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 MUB

6,653 total
  • Board of Regents of the University of Texas System 0.19%
  • 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%
  • Ohio State University (The) 0.13%
  • Houston Higher Education Finance Corp. 0.13%
  • Northwest Independent School District 0.13%
  • State of New Jersey 0.13%

Related comparisons

More comparisons with AGG

More comparisons with MUB

Percentages are holdings overlap with the named fund.

Open AGG 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.