ETF comparison
MUBvsSUB
Both US Municipal Bond.
iShares National Muni Bond ETF · iShares Short-Term National Muni Bond ETF
Holdings overlap
612 positions appear in both funds. Buying equal dollars of MUB and SUB would leave roughly9.3%of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — seewhat we don't scorefor why.
Cost difference
MUB is 2 bps cheaper than SUB. On a $100,000 position that's about $20/yr more in fees for SUB.
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 SUB.
Top shared holdings
612 shared in total| # | Holding | In MUB | In SUB | Overlap |
|---|---|---|---|---|
| 1 | BlackRock Liquidity Funds | 1.28% | 0.59% | 0.59% |
| 2 | San Antonio Water System | 0.14% | 0.28% | 0.14% |
| 3 | Triborough Bridge & Tunnel Authority | 0.14% | 0.18% | 0.14% |
| 4 | State of New Jersey | 0.13% | 0.17% | 0.13% |
| 5 | East County Advanced Water Purification Joint Powers Authority | 0.11% | 0.18% | 0.11% |
| 6 | State of Illinois | 0.11% | 0.14% | 0.11% |
| 7 | New Jersey Educational Facilities Authority | 0.11% | 0.10% | 0.10% |
| 8 | City of Seattle | 0.10% | 0.27% | 0.10% |
| 9 | Commonwealth of Pennsylvania | 0.09% | 0.09% | 0.09% |
| 10 | City of Houston Combined Utility System | 0.09% | 0.21% | 0.09% |
| 11 | New York City Municipal Water Finance Authority | 0.08% | 0.08% | 0.08% |
| 12 | County of King | 0.08% | 0.35% | 0.08% |
Only in MUB
6,042 total- Board of Regents of the University of Texas System0.19%
- New York State Thruway Authority0.15%
- New York City Transitional Finance Authority Future Tax Secured0.13%
- New York State Dormitory Authority0.13%
- Ohio State University (The)0.13%
- Houston Higher Education Finance Corp.0.13%
- Northwest Independent School District0.13%
- State of California0.12%
- State of Washington0.12%
- Pennsylvania Turnpike Commission0.12%
Only in SUB
2,305 total- State of California0.27%
- Pennsylvania Turnpike Commission0.25%
- New Jersey Turnpike Authority0.25%
- State of California0.24%
- State of California0.24%
- State of Connecticut Special Tax0.21%
- New York City Transitional Finance Authority Future Tax Secured0.21%
- Commonwealth of Pennsylvania0.20%
- New York City Transitional Finance Authority Future Tax Secured0.20%
- State of Georgia0.19%
Open MUB or SUB 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.