ETF comparison

MUBvsSCMB

Both US Municipal Bond.

iShares National Muni Bond ETF · Schwab Municipal Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
21.8%

2,422 positions appear in both funds. Buying equal dollars of MUB and SCMB would leave roughly21.8%of each dollar exposed to the same underlying securities.

MUB only 77.7%Shared 21.8%SCMB only 77.2%
In MUB only
4,232 positions
Shared
2,422 positions
In SCMB only
4,423 positions

Side by side

MUB

iShares National Muni Bond ETF

iShares · US Municipal Bond

97composite / 100
Expense ratio
0.050%
Net assets
$45.38B
TTM yield
3.33%
Top-10 conc.
2.5%
SCMB

Schwab Municipal Bond ETF

Schwab · US Municipal Bond

93composite / 100
Expense ratio
0.030%
Net assets
$4.18B
TTM yield
3.67%
Top-10 conc.
1.9%

Sub-score comparison

95
Cost
97
93
Tax efficiency
93
100
Liquidity
84
100
Concentration
100
Tracking quality
MUBsub-scoreSCMB

Tracking quality isn't part of the composite — seewhat we don't scorefor why.

Cost difference

SCMB 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 thecost calculator pre-filled with MUB vs SCMB.

Top shared holdings

2,422 shared in total
#HoldingIn MUBIn SCMBOverlap
1State of California0.12%0.15%0.12%
2Chicago Transit Authority Sales Tax Receipts Fund0.11%0.14%0.11%
3New Jersey Transportation Trust Fund Authority0.09%0.11%0.09%
4State of Maryland0.09%0.13%0.09%
5Commonwealth of Massachusetts0.08%0.09%0.08%
6San Antonio Water System0.14%0.08%0.08%
7New York State Dormitory Authority0.08%0.08%0.08%
8County of Jefferson0.08%0.08%0.08%
9State of Washington0.07%0.10%0.07%
10University of California0.07%0.08%0.07%
11Ohio State University (The)0.13%0.07%0.07%
12Commonwealth of Pennsylvania0.07%0.11%0.07%

Only in MUB

4,232 total
  • BlackRock Liquidity Funds1.28%
  • Board of Regents of the University of Texas System0.19%
  • Triborough Bridge & Tunnel Authority0.14%
  • New York City Transitional Finance Authority Future Tax Secured0.13%
  • Northwest Independent School District0.13%
  • State of Washington0.12%
  • Pennsylvania Turnpike Commission0.12%
  • Long Island Power Authority0.11%
  • Orlando Utilities Commission0.11%
  • Washoe County School District0.11%

Only in SCMB

4,423 total
  • Commonwealth of Massachusetts0.22%
  • Gwinnett County School District0.22%
  • Commonwealth of Pennsylvania0.21%
  • State of California Department of Water Resources0.19%
  • State of Washington0.17%
  • New York City Municipal Water Finance Authority0.17%
  • Northwest Independent School District0.16%
  • Indiana Finance Authority0.15%
  • MTA Hudson Rail Yards Trust Obligations0.15%
  • City of New York NY0.15%

Open MUB or SCMB 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 methodologyand 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.