ETF comparison
JMST vs JMUB
Both US Municipal Bond.
JPMorgan Ultra-Short Municipal Income ETF · JPMorgan Municipal ETF
Holdings overlap
52 positions appear in both funds. Buying equal dollars of JMST and JMUB would leave roughly 3.8% 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
Expense ratios are effectively identical (0.18% vs 0.18%).
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 JMUB.
Top shared holdings
52 shared in total| # | Holding | In JMST | In JMUB | Overlap |
|---|---|---|---|---|
| 1 | United States of America | 0.98% | 1.00% | 0.98% |
| 2 | Connecticut State Health & Educational Facilities Authority | 0.30% | 0.46% | 0.30% |
| 3 | Hempstead Union Free School District | 0.65% | 0.29% | 0.29% |
| 4 | City of Albany NY | 0.44% | 0.29% | 0.29% |
| 5 | Town of New Windsor NY | 0.62% | 0.17% | 0.17% |
| 6 | County of Hamilton OH Sales Tax Revenue | 0.57% | 0.17% | 0.17% |
| 7 | Colorado Health Facilities Authority | 0.38% | 0.17% | 0.17% |
| 8 | Bay Shore Union Free School District | 0.14% | 0.35% | 0.14% |
| 9 | Town of Longmeadow MA | 0.60% | 0.12% | 0.12% |
| 10 | State of Louisiana Gasoline & Fuels Tax Revenue | 0.08% | 0.17% | 0.08% |
| 11 | New Hampshire Business Finance Authority | 0.24% | 0.08% | 0.08% |
| 12 | Colorado Health Facilities Authority | 0.10% | 0.06% | 0.06% |
Only in JMST
1,489 total- 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%
- New Hartford Central School District 0.62%
- Maryland Health & Higher Educational Facilities Authority 0.61%
- Township of Woodbridge NJ 0.61%
- Newburgh Enlarged City School District 0.60%
- Bergen County Improvement Authority (The) 0.58%
- Tarrant County Cultural Education Facilities Finance Corp. 0.58%
Only in JMUB
2,033 total- District of Columbia Income Tax Revenue 0.69%
- Black Belt Energy Gas District 0.67%
- Buckeye Tobacco Settlement Financing Authority 0.58%
- California Health Facilities Financing Authority 0.58%
- City of San Antonio TX Airport System 0.57%
- California Community Choice Financing Authority 0.53%
- New York City Transitional Finance Authority Future Tax Secured Revenue 0.47%
- County of Utah UT 0.40%
- Long Island Power Authority 0.38%
- Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue 0.38%
Related comparisons
More comparisons with JMST
- JMST vs SUB · iShares Short-Term National Muni Bond ETF 2.9%
- JMST vs SHM · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF 2.3%
- JMST vs VTEB · Vanguard Tax-Exempt Bond Index Fund ETF Shares 1.5%
- JMST vs MUB · iShares National Muni Bond ETF 1.1%
- JMST vs SCMB · Schwab Municipal Bond ETF 0.9%
- JMST vs CGMU · Capital Group Municipal Income ETF 0.9%
More comparisons with JMUB
- JMUB vs VTEB · Vanguard Tax-Exempt Bond Index Fund ETF Shares 3.4%
- JMUB vs MUB · iShares National Muni Bond ETF 3.2%
- JMUB vs SCMB · Schwab Municipal Bond ETF 3.1%
- JMUB vs SHM · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF 2.6%
- JMUB vs NYF · iShares New York Muni Bond ETF 1.7%
- JMUB vs SUB · iShares Short-Term National Muni Bond ETF 1.2%
Percentages are holdings overlap with the named fund.
Open JMST or JMUB 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.