ETF comparison
JMST vs MUB
Both US Municipal Bond.
JPMorgan Ultra-Short Municipal Income ETF · iShares National Muni Bond ETF
Holdings overlap
145 positions appear in both funds. Buying equal dollars of JMST and MUB would leave roughly 1.1% of each dollar exposed to the same underlying securities.
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.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MUB is 13 bps cheaper than JMST. On a $100,000 position that's about $130/yr more in fees for JMST.
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 JMST vs MUB.
Top shared holdings
145 shared in total| # | Holding | In JMST | In MUB | Overlap |
|---|---|---|---|---|
| 1 | City of Houston TX Combined Utility System Revenue | 0.54% | 0.11% | 0.11% |
| 2 | Pennsylvania Turnpike Commission | 0.52% | 0.09% | 0.09% |
| 3 | City of Los Angeles CA | 0.17% | 0.06% | 0.06% |
| 4 | State of Illinois | 0.05% | 0.04% | 0.04% |
| 5 | Alabama Federal Aid Highway Finance Authority | 0.04% | 0.05% | 0.04% |
| 6 | State of Illinois | 0.27% | 0.04% | 0.04% |
| 7 | State of Illinois | 0.03% | 0.11% | 0.03% |
| 8 | City of Fort Worth TX | 0.03% | 0.03% | 0.03% |
| 9 | State of Illinois | 0.06% | 0.02% | 0.02% |
| 10 | New York City Transitional Finance Authority Future Tax Secured Revenue | 0.13% | 0.02% | 0.02% |
| 11 | Michigan State Building Authority | 0.02% | 0.04% | 0.02% |
| 12 | Energy Northwest | 0.06% | 0.02% | 0.02% |
Only in JMST
1,396 total- United States of America 0.98%
- New York City Municipal Water Finance Authority 0.88%
- State of Washington 0.77%
- Alaska Housing Finance Corp. 0.73%
- State of Minnesota 0.67%
- Hempstead Union Free School District 0.65%
- New Hartford Central School District 0.62%
- Town of New Windsor NY 0.62%
- Maryland Health & Higher Educational Facilities Authority 0.61%
- Township of Woodbridge NJ 0.61%
Only in MUB
6,907 total- Board of Regents of the University of Texas System 0.18%
- San Antonio Water System 0.15%
- New York State Thruway Authority 0.15%
- New York State Dormitory Authority 0.13%
- Northwest Independent School District 0.12%
- Houston Higher Education Finance Corp. 0.12%
- Ohio State University (The) 0.12%
- State of Washington 0.12%
- State of California 0.12%
- City of Seattle 0.11%
Related comparisons
More comparisons with JMST
- JMST vs SCMB · Schwab Municipal Bond ETF 0.9%
- JMST vs CGMU · Capital Group Municipal Income ETF 0.9%
- JMST vs MUNI · PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 0.8%
- JMST vs HYD · VanEck High Yield Muni ETF 0.4%
- JMST vs CMF · iShares California Muni Bond ETF 0.2%
- JMST vs PZA · Invesco National AMT-Free Municipal Bond ETF 0.2%
More comparisons with MUB
- MUB vs HYD · VanEck High Yield Muni ETF 1.1%
- MUB vs MUNI · PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 1.1%
- MUB vs AGG · iShares Core U.S. Aggregate Bond ETF 0.0%
- MUB vs BAB · Invesco Taxable Municipal Bond ETF 0.0%
- MUB vs BND · Vanguard Total Bond Market Index Fund ETF Shares 0.0%
- MUB vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
Percentages are holdings overlap with the named fund.
Open JMST or MUB 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 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.