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ETF comparison

MUB vs SHM

Both US Municipal Bond.

iShares National Muni Bond ETF · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
1.7 %

100 positions appear in both funds. Buying equal dollars of MUB and SHM would leave roughly 1.7% of each dollar exposed to the same underlying securities.

MUB unmatched 96.5% Shared 1.7% SHM unmatched 97.5%

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 MUB only
6,553 positions
Shared
100 positions
In SHM only
943 positions

Side by side

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%
SHM

State Street SPDR Nuveen ICE Short Term Municipal Bond ETF

State Street · US Municipal Bond

86 composite / 100
Expense ratio
0.20%
Net assets
$3.46B
TTM yield
2.71%
Top-10 conc.
5.3%

Sub-score comparison

95
Cost
80
93
Tax efficiency
93
100
Liquidity
80
100
Concentration
100
—
Tracking quality
—
MUB sub-score SHM

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

Cost difference

MUB is 15 bps cheaper than SHM. On a $100,000 position that's about $150/yr more in fees for SHM.

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 MUB vs SHM.

Top shared holdings

100 shared in total
# Holding In MUB In SHM Overlap
1 East County Advanced Water Purification Joint Powers Authority 0.11% 0.32% 0.11%
2 New Jersey Economic Development Authority 0.07% 0.16% 0.07%
3 State of New Jersey 0.06% 0.07% 0.06%
4 New York State Dormitory Authority 0.06% 0.09% 0.06%
5 State of New Jersey 0.05% 0.10% 0.05%
6 Fort Bend Independent School District 0.05% 0.19% 0.05%
7 County of Clark Department of Aviation 0.05% 0.15% 0.05%
8 State of Illinois 0.04% 0.06% 0.04%
9 Metropolitan Transportation Authority 0.04% 0.24% 0.04%
10 Commonwealth of Massachusetts 0.04% 0.09% 0.04%
11 Los Angeles Department of Water & Power 0.04% 0.15% 0.04%
12 University of California 0.04% 0.16% 0.04%

Only in MUB

6,553 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%

Only in SHM

943 total
  • Southeast Energy Authority A Cooperative District 0.92%
  • State of California 0.69%
  • New York State Dormitory Authority 0.61%
  • State of California 0.52%
  • State of California 0.46%
  • City of New York NY 0.44%
  • University of California 0.41%
  • City of New York NY 0.39%
  • State of Florida Department of Transportation Turnpike System Revenue 0.37%
  • State of Maryland Department of Transportation 0.36%

Related comparisons

More comparisons with MUB

More comparisons with SHM

Percentages are holdings overlap with the named fund.

Open MUB or SHM 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.