JMSI vs MUB
JPMorgan Sustainable Municipal Income ETF against iShares National Muni Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
1%
30 shared positions
Fee gap
13 bp
MUB is cheaper
1-year return gap
0.5 pts
MUB is ahead
Larger fund
MUB
$52.1B
Side by side
| JMSI | MUB | |
|---|---|---|
| Fund | JPMorgan Sustainable Municipal Income ETF | iShares National Muni Bond ETF |
| Issuer | JPMorgan | iShares |
| Category | National Muni | National Muni |
| Expense ratio | 0.18% | 0.05% |
| Assets | $381M | $52.1B |
| Average daily dollar volume | $7.2M | $1.8B |
| Listed | Feb 9, 1993 | Sep 7, 2007 |
| FrenzyCap score | 72 | 99 |
| 1-month return | −0.6% | −0.3% |
| 3-month return | −2.6% | −2.7% |
| Year to date | −4.9% | −4.3% |
| 1-year return | −5.3% | −4.7% |
| 30-day volatility | 7.5% | 6.3% |
| Worst drawdown, 1 year | −8.5% | −7.9% |
| Trailing 12-month yield | 3.84% | 3.33% |
| Holdings | 306 | 7,665 |
| Top 10 weight | 9.9% | 1.2% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$22M thru May 2026 | +$2.4B thru May 2026 |
| 30-day implied volatility | — | 7.5% |
| Holdings as of | as of Oct 21, 2026issuer data | as of Oct 20, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
12% of JMSI · 1% of MUB| Holding | JMSI | MUB |
|---|---|---|
| CHICAGO ILL TRAN 5% 12/49, due Dec 1, 2049 | 0.25% | 0.09% |
| DISTRICT VAR 04/60, due Apr 1, 2060 | 0.20% | 0.09% |
| JEFFERSON 5.25% 10/49, due Oct 1, 2049 | 0.28% | 0.06% |
| MONROE CNTY N Y 4% 07/50, due Jul 1, 2050 | 0.37% | 0.06% |
| JEFFERSON CNTY 5.5% 10/53, due Oct 1, 2053 | 0.26% | 0.04% |
| TRIBOROUGH 5.375% 12/52, due Dec 1, 2052 | 0.27% | 0.03% |
| NEW YORK N Y 5.5% 06/39, due Jun 15, 2039 | 0.29% | 0.03% |
| LAMAR TEX CONS 4% 02/53, due Feb 15, 2053 | 0.21% | 0.02% |
| WASHINGTON D 5.25% 07/55, due Jul 15, 2055 | 0.53% | 0.02% |
| NEW YORK ST DORM 4% 07/45, due Jul 1, 2045 | 0.23% | 0.02% |
| BATTERY PK CITY 5% 11/48, due Nov 1, 2048 | 0.26% | 0.02% |
| CHICAGO ILL MET 5% 12/40, due Dec 1, 2040 | 1.08% | 0.02% |
| LONG IS PWR VAR 09/51, due Sep 1, 2051 | 0.26% | 0.02% |
| CALIFORNIA 3.25% 08/29, due Aug 1, 2029 | 0.52% | 0.01% |
| NEW YORK N Y 5% 06/43, due Jun 15, 2043 | 0.99% | 0.01% |
| WASHINGTON D C 5% 07/48, due Jul 15, 2048 | 0.52% | 0.01% |
| TEXAS WTR DEV 4% 10/44, due Oct 15, 2044 | 1.03% | 0.01% |
| MASSACHUSETTS VAR 11/55, due Nov 1, 2055 | 0.29% | 0.01% |
| NORTH TEX MUN 5% 09/36, due Sep 1, 2036 | 0.56% | 0.01% |
| FOOTHILL-DE ANZA 4% 08/40, due Aug 1, 2040 | 0.30% | 0.01% |
| INDIANA ST FIN 5% 10/31, due Oct 1, 2031 | 0.56% | 0.01% |
| INDIANA ST FIN 5% 10/34, due Oct 1, 2034 | 0.28% | 0.01% |
| NEW YORK N Y 5.5% 11/52, due Nov 1, 2052 | 0.54% | 0.01% |
| AQUARION WTR ZERO 08/49, due Aug 1, 2049 | 0.14% | 0.01% |
| ALABAMA TOLL 5.5% 01/61, due Jan 1, 2061 | 0.28% | 0.00% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · JMSI holdings · MUB holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.