ETF comparison
CGMU vs JMUB
Both US Municipal Bond.
Holdings overlap
136 positions appear in both funds. Buying equal dollars of CGMU and JMUB would leave roughly 5.9% 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
JMUB is 9 bps cheaper than CGMU. On a $100,000 position that's about $90/yr more in fees for CGMU.
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 CGMU vs JMUB.
Top shared holdings
136 shared in total| # | Holding | In CGMU | In JMUB | Overlap |
|---|---|---|---|---|
| 1 | Puerto Rico Sales Tax Financing Corp Sales Tax Revenue | 0.57% | 0.24% | 0.24% |
| 2 | Black Belt Energy Gas District | 0.35% | 0.23% | 0.23% |
| 3 | California Community Choice Financing Authority | 0.19% | 0.56% | 0.19% |
| 4 | City of Houston TX Airport System Revenue | 0.21% | 0.18% | 0.18% |
| 5 | Black Belt Energy Gas District | 0.16% | 0.17% | 0.16% |
| 6 | Black Belt Energy Gas District | 0.14% | 0.48% | 0.14% |
| 7 | Lower Alabama Gas District/The | 0.14% | 0.35% | 0.14% |
| 8 | Pennsylvania Housing Finance Agency | 0.13% | 0.21% | 0.13% |
| 9 | Illinois Housing Development Authority | 0.16% | 0.13% | 0.13% |
| 10 | Baldwin County Industrial Development Authority | 0.10% | 0.25% | 0.10% |
| 11 | Black Belt Energy Gas District | 0.15% | 0.09% | 0.09% |
| 12 | Texas Municipal Gas Acquisition & Supply Corp IV | 0.09% | 0.20% | 0.09% |
Only in CGMU
1,990 total- Commonwealth of Puerto Rico 0.67%
- Triborough Bridge & Tunnel Authority 0.58%
- University of California 0.56%
- New York City Municipal Water Finance Authority 0.54%
- County of Montgomery MD 0.53%
- Harris County Cultural Education Facilities Finance Corp 0.51%
- Connecticut State Health & Educational Facilities Authority 0.50%
- Mississippi Business Finance Corp 0.49%
- Black Belt Energy Gas District 0.47%
- Industrial Development Authority of the City of Phoenix Arizona/The 0.41%
Only in JMUB
1,696 total- JPMorgan Institutional Tax Free Money Market Fund 9.81%
- Buckeye Tobacco Settlement Financing Authority 0.62%
- Connecticut State Health & Educational Facilities Authority 0.56%
- County of Utah UT 0.49%
- Long Island Power Authority 0.48%
- Main Street Natural Gas, Inc. 0.45%
- Illinois Finance Authority 0.41%
- North Carolina Housing Finance Agency 0.40%
- Dallas Fort Worth International Airport 0.38%
- County of Campbell WY 0.37%
Open CGMU 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.