ETF Overlap Tool
Enter up to six ETFs to see how much of each is the same securities. Overlap by weight is the sum, over every holding two funds share, of the smaller of the two weights: 100% means identical portfolios, 0% means nothing in common.
Overlap by weight
53 holdings in all 2 funds| Fund | JMUB | LMUB | Positions | Holdings |
|---|---|---|---|---|
| JMUBJPMorgan Municipal ETF | — | 2% 53 shared |
2,176 | as of Oct 21, 2026issuer data |
| LMUBiShares Long-Term National Muni Bond ETF | 2% 53 shared | — | 1,025 | as of Oct 20, 2026issuer data |
Each cell: overlap by weight, and how many positions the two funds share. Stocks, funds and bonds are compared, a bond by its own identifier and a Treasury bill by its maturity date; cash and derivatives are not, and a fund that is partly either shows how much of it is compared.
Held by both funds
2.2% common weight| Holding | JMUB | LMUB | Smallest |
|---|---|---|---|
| TRIBOROUGH 5.375% 12/52, due Dec 1, 2052 | 0.22% | 0.18% | 0.18% |
| JEFFERSON 5.25% 10/49, due Oct 1, 2049 | 0.23% | 0.17% | 0.17% |
| LAMAR TEX CONS 4% 02/48, due Feb 15, 2048 | 0.18% | 0.15% | 0.15% |
| JEFFERSON CNTY 5.5% 10/53, due Oct 1, 2053 | 0.21% | 0.14% | 0.14% |
| TEXAS TRANSN 5% 10/42, due Oct 1, 2042 | 0.48% | 0.12% | 0.12% |
| NEW YORK N Y 5.25% 11/50, due Nov 1, 2050 | 0.24% | 0.12% | 0.12% |
| MONROE CNTY N Y 4% 07/50, due Jul 1, 2050 | 0.11% | 0.14% | 0.11% |
| NEW YORK N Y 5.5% 05/50, due May 1, 2050 | 0.10% | 0.09% | 0.09% |
| NEW YORK ST DORM 5% 03/55, due Mar 15, 2055 | 0.08% | 0.16% | 0.08% |
| OHIO ST WTR 5.5% 06/52, due Jun 1, 2052 | 0.15% | 0.07% | 0.07% |
| TEXAS ST GEN 5% 10/43, due Oct 1, 2043 | 0.06% | 0.18% | 0.06% |
| NEW YORK N Y 5% 06/46, due Jun 15, 2046 | 0.06% | 0.14% | 0.06% |
| OHIO ST WTR DEV 5% 12/43, due Dec 1, 2043 | 0.05% | 0.07% | 0.05% |
| MANSFIELD TEX 4% 02/54, due Feb 15, 2054 | 0.05% | 0.09% | 0.05% |
| LOS ANGELES 5.5% 06/51, due Jun 1, 2051 | 0.05% | 0.06% | 0.05% |
| NEW YORK N Y 5% 11/47, due Nov 1, 2047 | 0.04% | 0.10% | 0.04% |
| RICHARDSON TEX 5% 02/41, due Feb 15, 2041 | 0.06% | 0.04% | 0.04% |
| TRIBOROUGH BRDG 5% 11/48, due Nov 15, 2048 | 0.04% | 0.21% | 0.04% |
| PENNSYLVANIA 5.5% 12/54, due Dec 1, 2054 | 0.13% | 0.04% | 0.04% |
| TOHOPEKALIGA WTR 5% 10/56, due Oct 1, 2056 | 0.04% | 0.09% | 0.04% |
| NORTH TEX TWY 5% 01/39, due Jan 1, 2039 | 0.04% | 0.09% | 0.04% |
| NEW YORK N Y 5.5% 11/54, due Nov 1, 2054 | 0.12% | 0.04% | 0.04% |
| SALT RIV PROJ 5% 01/47, due Jan 1, 2047 | 0.03% | 0.10% | 0.03% |
| GRAND PARKWAY 4% 10/49, due Oct 1, 2049 | 0.03% | 0.17% | 0.03% |
| CUYAHOGA CNTY 5% 12/45, due Dec 1, 2045 | 0.04% | 0.03% | 0.03% |
| TRIBOROUGH 5.25% 12/54, due Dec 1, 2054 | 0.03% | 0.06% | 0.03% |
| NEW YORK N Y 5% 06/49, due Jun 15, 2049 | 0.03% | 0.06% | 0.03% |
| IDAHO HSG & FIN 4% 08/50, due Aug 15, 2050 | 0.02% | 0.18% | 0.02% |
| METROPOLITAN 5% 11/42, due Nov 15, 2042 | 0.02% | 0.18% | 0.02% |
| MOUNT SAN 5% 08/50, due Aug 1, 2050 | 0.02% | 0.06% | 0.02% |
| NEW YORK N Y 5% 08/45, due Aug 1, 2045 | 0.02% | 0.06% | 0.02% |
| NEW YORK ST 4% 03/45, due Mar 15, 2045 | 0.02% | 0.05% | 0.02% |
| NEW YORK N Y 5.25% 11/51, due Nov 1, 2051 | 0.02% | 0.02% | 0.02% |
| AQUARION WTR 5.25% 08/46, due Aug 1, 2046 | 0.05% | 0.02% | 0.02% |
| NAPA VY CALIF 4.5% 08/55, due Aug 1, 2055 | 0.01% | 0.05% | 0.01% |
| AQUARION WTR ZERO 08/45, due Aug 1, 2045 | 0.01% | 0.02% | 0.01% |
| MASSACHUSETTS ST 5% 12/40, due Dec 1, 2040 | 0.01% | 0.09% | 0.01% |
| KENTUCKY ST MUN 5% 09/39, due Sep 1, 2039 | 0.01% | 0.08% | 0.01% |
| NEW YORK N Y 5.5% 11/54, due Nov 1, 2054 | 0.05% | 0.01% | 0.01% |
| TEXAS WTR DEV 4.25% 10/51, due Oct 15, 2051 | 0.01% | 0.17% | 0.01% |
| LAS VEGAS VY NEV 5% 06/39, due Jun 1, 2039 | 0.01% | 0.13% | 0.01% |
| NEW YORK N Y 5.25% 05/49, due May 1, 2049 | 0.01% | 0.06% | 0.01% |
| METROPOLITAN 5.25% 11/55, due Nov 15, 2055 | 0.01% | 0.15% | 0.01% |
| ALABAMA TOLL RD 6% 01/32, due Jan 1, 2056 | 0.07% | 0.01% | 0.01% |
| PENNSYLVANIA ST 4% 12/43, due Dec 1, 2043 | 0.01% | 0.09% | 0.01% |
| TRIBOROUGH 5.25% 11/47, due Nov 15, 2047 | 0.01% | 0.04% | 0.01% |
| METROPOLITAN 5.25% 11/45, due Nov 15, 2045 | 0.03% | 0.01% | 0.01% |
| LOS ANGELES CNTY 5% 06/40, due Jun 1, 2040 | 0.01% | 0.04% | 0.01% |
| TEXAS WTR DEV 5% 10/58, due Oct 15, 2058 | 0.02% | 0.01% | 0.01% |
| LOS ANGELES CNTY 5% 06/46, due Jun 1, 2046 | 0.01% | 0.03% | 0.01% |
| GRAND PARKWAY 4% 10/45, due Oct 1, 2045 | 0.06% | 0.01% | 0.01% |
| AQUARION WTR ZERO 08/49, due Aug 1, 2049 | 0.01% | 0.02% | 0.01% |
| CEDAR HILL TEX 4% 02/50, due Feb 15, 2050 | 0.04% | 0.01% | 0.01% |
Reading overlap
Two funds with 80% overlap move together and holding both mostly doubles one exposure and both fees. Low overlap is not the same as diversification: two funds can share no holdings and still be driven by the same factor. To see what a whole portfolio owns, use the portfolio x-ray.
Holdings come from each issuer's daily file where we have one and otherwise from the fund's latest SEC filing, so the two sides of a comparison can be from different dates. The table shows each fund's date.
Bond funds are matched issue by issue: two Treasury funds overlap only where they hold the same bill, note or bond. A fund of short-dated bills replaces its whole portfolio every few months, so holdings from an older filing may have matured; the table says when they have.
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.