JMUB vs MFSM
JPMorgan Municipal ETF against MFS Active Intermediate Muni Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
3%
46 shared positions
Fee gap
16 bp
JMUB is cheaper
1-year return gap
0.5 pts
MFSM is ahead
Larger fund
JMUB
$9.2B
Side by side
| JMUB | MFSM | |
|---|---|---|
| Fund | JPMorgan Municipal ETF | MFS Active Intermediate Muni Bond ETF |
| Issuer | JPMorgan | MFS |
| Category | National Muni | National Muni |
| Expense ratio | 0.18% | 0.34% |
| Assets | $9.2B | $104M |
| Average daily dollar volume | $194M | $3.5M |
| Listed | Oct 29, 2018 | Dec 4, 2024 |
| FrenzyCap score | 90 | 50 |
| 1-month return | +4.2% | +4.3% |
| 3-month return | −0.8% | −1.0% |
| Year to date | −2.2% | −1.9% |
| 1-year return | −2.3% | −1.8% |
| 30-day volatility | 5.5% | 6.4% |
| Worst drawdown, 1 year | −7.8% | −8.4% |
| Trailing 12-month yield | 3.79% | 3.59% |
| Holdings | 2,215 | 419 |
| Top 10 weight | 5.4% | 6.8% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$1.1B thru Aug 2026 | +$6.8M thru Aug 2026 |
| 30-day implied volatility | — | — |
| Holdings as of | as of Nov 6, 2026issuer data | as of Aug 31, 2026SEC filing |
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
4% of JMUB · 10% of MFSM| Holding | JMUB | MFSM |
|---|---|---|
| BLACK BELT 5% 12/34, due Dec 1, 2034 | 0.58% | 0.39% |
| BLACK BELT VAR 03/55, due Mar 1, 2055 | 0.46% | 0.25% |
| MAIN STR ENERGY 5% 12/33, due Dec 1, 2033 | 0.22% | 0.25% |
| CALIFORNIA VAR 02/55, due Feb 1, 2055 | 0.20% | 0.51% |
| CALIFORNIA CMNTY 5% 06/36, due Jun 1, 2036 | 0.22% | 0.18% |
| BLACK BELT 5% 10/33, due Oct 1, 2033 | 0.16% | 0.42% |
| MAIN STR ENERGY 5% 10/33, due Oct 1, 2033 | 0.14% | 0.16% |
| HOUSTON TEX 5.25% 07/34, due Jul 15, 2034 | 0.13% | 0.15% |
| SOUTH 3.95% 04/33, due Apr 1, 2033 | 0.12% | 0.11% |
| CALIFORNIA 5.25% 02/36, due Feb 1, 2036 | 0.50% | 0.10% |
| PEFA INC IOWA 5% 04/35, due Apr 1, 2035 | 0.12% | 0.10% |
| NORTH 6.25% 07/57, due Jul 1, 2057 | 0.10% | 0.14% |
| BALDWIN CNTY VAR 06/55, due Jun 1, 2055 | 0.24% | 0.10% |
| WHITING IND VAR 12/44, due Dec 1, 2044 | 0.11% | 0.10% |
| SOUTH CAROLINA VAR 03/62, due Mar 1, 2062 | 0.10% | 0.10% |
| GRAND PARKWAY 5% 10/43, due Oct 1, 2043 | 0.09% | 0.29% |
| SANTA FE CNTY N VAR 12/49, due Dec 10, 2049 | 0.09% | 0.48% |
| NATIONAL FIN VAR 04/43, due Apr 20, 2043 | 0.08% | 0.28% |
| CALIFORNIA CMNTY 5% 07/35, due Jul 1, 2035 | 0.06% | 0.10% |
| TEXAS MUN GAS VAR 01/55, due Jan 1, 2055 | 0.06% | 0.25% |
| MICHIGAN ST 5% 12/43, due Dec 31, 2043 | 0.05% | 0.48% |
| SOUTHEAST ENERGY 5% 11/35, due Nov 1, 2035 | 0.05% | 0.24% |
| IDAHO HEALTH VAR 03/60, due Mar 1, 2060 | 0.05% | 0.07% |
| PAULDING CNTY GA 5% 04/36, due Apr 1, 2036 | 0.05% | 0.53% |
| DISTRICT 5% 03/28, due Mar 1, 2028 | 0.04% | 0.25% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · JMUB holdings · MFSM 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.