ETF comparison
CMF vs SUB
Both US Municipal Bond.
iShares California Muni Bond ETF · iShares Short-Term National Muni Bond ETF
Holdings overlap
136 positions appear in both funds. Buying equal dollars of CMF and SUB would leave roughly 4.8% 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
SUB is 1 bps cheaper than CMF. On a $100,000 position that's about $10/yr more in fees for CMF.
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 SUB.
Top shared holdings
136 shared in total| # | Holding | In CMF | In SUB | Overlap |
|---|---|---|---|---|
| 1 | University of California | 0.21% | 0.24% | 0.21% |
| 2 | Los Angeles Department of Water & Power | 0.30% | 0.17% | 0.17% |
| 3 | East County Advanced Water Purification Joint Powers Authority | 0.31% | 0.17% | 0.17% |
| 4 | California State Public Works Board | 0.15% | 0.14% | 0.14% |
| 5 | Los Angeles Department of Water & Power Water System | 0.13% | 0.16% | 0.13% |
| 6 | City of Los Angeles CA | 0.22% | 0.13% | 0.13% |
| 7 | State of California | 0.11% | 0.11% | 0.11% |
| 8 | County of Los Angeles CA | 0.14% | 0.11% | 0.11% |
| 9 | County of Riverside CA | 0.16% | 0.10% | 0.10% |
| 10 | State of California | 0.17% | 0.09% | 0.09% |
| 11 | State of California | 0.10% | 0.09% | 0.09% |
| 12 | Los Angeles Unified School District | 0.11% | 0.09% | 0.09% |
Only in CMF
1,595 total- Orange County Water District 0.60%
- Anaheim Housing & Public Improvements Authority 0.49%
- Los Angeles Unified School District 0.47%
- University of California 0.45%
- Irvine Ranch Water District 0.43%
- California Educational Facilities Authority 0.43%
- San Mateo County Transit District Sales Tax 0.42%
- Los Angeles Unified School District 0.41%
- California State University 0.40%
- University of California 0.38%
Only in SUB
2,840 total- New Jersey Economic Development Authority 0.35%
- New York City Transitional Finance Authority Future Tax Secured 0.33%
- State of California 0.28%
- New York City Municipal Water Finance Authority 0.27%
- State of California 0.26%
- Triborough Bridge & Tunnel Authority 0.25%
- Empire State Development Corp. 0.24%
- New Jersey Turnpike Authority 0.24%
- State of California 0.23%
- City of Seattle WA Municipal Light & Power Revenue 0.23%
Related comparisons
More comparisons with CMF
- CMF vs ITM · VanEck Intermediate Muni ETF 3.3%
- CMF vs SHM · State Street SPDR Nuveen ICE Short Term Municipal Bond ETF 2.0%
- CMF vs CGMU · Capital Group Municipal Income ETF 1.2%
- CMF vs JMUB · JPMorgan Municipal ETF 0.6%
- CMF vs HYD · VanEck High Yield Muni ETF 0.2%
- CMF vs JMST · JPMorgan Ultra-Short Municipal Income ETF 0.2%
More comparisons with SUB
- SUB vs NYF · iShares New York Muni Bond ETF 3.1%
- SUB vs JMST · JPMorgan Ultra-Short Municipal Income ETF 2.9%
- SUB vs CGMU · Capital Group Municipal Income ETF 1.8%
- SUB vs JMUB · JPMorgan Municipal ETF 1.2%
- SUB vs HYD · VanEck High Yield Muni ETF 0.5%
- SUB vs MUNI · PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 0.5%
Percentages are holdings overlap with the named fund.
Open CMF 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.