ETF comparison
CMF vs JMST
Both US Municipal Bond.
iShares California Muni Bond ETF · JPMorgan Ultra-Short Municipal Income ETF
Holdings overlap
5 positions appear in both funds. Buying equal dollars of CMF and JMST would leave roughly 0.1% 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
CMF is 10 bps cheaper than JMST. On a $100,000 position that's about $100/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 CMF vs JMST.
Top shared holdings
5 shared in total| # | Holding | In CMF | In JMST | Overlap |
|---|---|---|---|---|
| 1 | Southern California Public Power Authority | 0.02% | 0.04% | 0.02% |
| 2 | Metropolitan Water District of Southern California | 0.02% | 0.02% | 0.02% |
| 3 | Los Angeles Department of Water & Power | 0.08% | 0.01% | 0.01% |
| 4 | California Infrastructure & Economic Development Bank | 0.02% | 0.00% | 0.00% |
| 5 | Campbell Union High School District | 0.05% | 0.00% | 0.00% |
Only in CMF
1,617 total- Los Angeles Unified School District 0.50%
- University of California 0.49%
- Bay Area Toll Authority 0.46%
- California Educational Facilities Authority 0.44%
- Los Angeles Unified School District 0.44%
- Eastern Municipal Water District 0.44%
- California State University 0.42%
- University of California 0.42%
- State of California 0.38%
- Bay Area Toll Authority 0.37%
Only in JMST
1,885 total- New York City Municipal Water Finance Authority 1.02%
- State of Washington 0.90%
- Alaska Housing Finance Corp. 0.86%
- State of Minnesota 0.78%
- Township of Woodbridge NJ 0.71%
- Maryland Health & Higher Educational Facilities Authority 0.71%
- Bergen County Improvement Authority (The) 0.68%
- Tarrant County Cultural Education Facilities Finance Corp. 0.67%
- District of Columbia 0.67%
- County of Hamilton OH Sales Tax Revenue 0.66%
Related comparisons
More comparisons with CMF
- CMF vs AGG · iShares Core U.S. Aggregate Bond ETF 0.0%
- CMF vs BAB · Invesco Taxable Municipal Bond ETF 0.0%
- CMF vs BND · Vanguard Total Bond Market Index Fund ETF Shares 0.0%
- CMF vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
- CMF vs GOVT · iShares U.S. Treasury Bond ETF 0.0%
- CMF vs NYF · iShares New York Muni Bond ETF 0.0%
More comparisons with JMST
- JMST vs PZA · Invesco National AMT-Free Municipal Bond ETF 0.0%
- JMST vs AGG · iShares Core U.S. Aggregate Bond ETF 0.0%
- JMST vs BAB · Invesco Taxable Municipal Bond ETF 0.0%
- JMST vs BND · Vanguard Total Bond Market Index Fund ETF Shares 0.0%
- JMST vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
- JMST vs GOVT · iShares U.S. Treasury Bond ETF 0.0%
Percentages are holdings overlap with the named fund.
Open CMF or JMST 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.