ETF comparison
JMST vs SUB
Both US Municipal Bond.
JPMorgan Ultra-Short Municipal Income ETF · iShares Short-Term National Muni Bond ETF
Holdings overlap
222 positions appear in both funds. Buying equal dollars of JMST and SUB would leave roughly 2.5% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
SUB is 11 bps cheaper than JMST. On a $100,000 position that's about $110/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 SUB.
Top shared holdings
222 shared in total| # | Holding | In JMST | In SUB | Overlap |
|---|---|---|---|---|
| 1 | City of Houston TX Combined Utility System Revenue | 0.65% | 0.21% | 0.21% |
| 2 | State of Illinois | 0.33% | 0.17% | 0.17% |
| 3 | City of New York NY | 0.12% | 0.22% | 0.12% |
| 4 | State of New Mexico Severance Tax Permanent Fund | 0.07% | 0.14% | 0.07% |
| 5 | State of Illinois | 0.06% | 0.11% | 0.06% |
| 6 | New York City Transitional Finance Authority Future Tax Secured Revenue | 0.06% | 0.22% | 0.06% |
| 7 | State of Illinois | 0.05% | 0.13% | 0.05% |
| 8 | Cypress-Fairbanks Independent School District | 0.19% | 0.05% | 0.05% |
| 9 | County of Clark NV | 0.05% | 0.14% | 0.05% |
| 10 | Pennsylvania Turnpike Commission | 0.62% | 0.05% | 0.05% |
| 11 | New York City Transitional Finance Authority Future Tax Secured Revenue | 0.05% | 0.10% | 0.05% |
| 12 | North Texas Tollway Authority | 0.08% | 0.05% | 0.05% |
Only in JMST
1,351 total- JPMorgan Institutional Tax Free Money Market Fund 13.30%
- New York City Municipal Water Finance Authority 1.05%
- State of Washington 0.95%
- State of Minnesota 0.81%
- Triborough Bridge & Tunnel Authority 0.77%
- Township of Woodbridge NJ 0.74%
- Maryland Health & Higher Educational Facilities Authority 0.73%
- Tarrant County Cultural Education Facilities Finance Corp. 0.70%
- County of Hamilton OH Sales Tax Revenue 0.69%
- Massachusetts Development Finance Agency 0.65%
Only in SUB
2,561 total- BlackRock Liquidity Funds 1.00%
- County of King 0.36%
- State of California 0.29%
- Empire State Development Corp. 0.27%
- University of California 0.26%
- New Jersey Turnpike Authority 0.26%
- Pennsylvania Turnpike Commission 0.26%
- State of California 0.25%
- State of California 0.25%
- Empire State Development Corp. 0.23%
Open JMST 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 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.