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
182 holdings in all 2 funds| Fund | FBND | NUBD | Positions | Holdings |
|---|---|---|---|---|
| FBNDFidelity Total Bond ETF | — | 10% 182 shared |
4,771 | as of Oct 20, 2026issuer data |
| NUBDNuveen ESG U.S. Aggregate Bond ETF | 10% 182 shared | — | 2,411 | as of Jul 31, 2026SEC filing |
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
9.7% common weight| Holding | FBND | NUBD | Smallest |
|---|---|---|---|
| USTN 4.25% 05/15/35, due May 15, 2035 | 1.01% | 0.52% | 0.52% |
| USTN 4.25% 11/15/34, due Nov 15, 2034 | 0.90% | 0.42% | 0.42% |
| USTB 4.75% 08/15/55, due Aug 15, 2055 | 0.97% | 0.42% | 0.42% |
| USTB 4.75% 02/15/56, due Feb 15, 2056 | 0.88% | 0.38% | 0.38% |
| USTN 4.5% 11/15/33, due Nov 15, 2033 | 0.51% | 0.38% | 0.38% |
| USTB 4.75% 05/15/55, due May 15, 2055 | 0.90% | 0.31% | 0.31% |
| USTN 4.375% 05/15/36, due May 15, 2036 | 2.63% | 0.29% | 0.29% |
| USTB 4.125% 08/15/53, due Aug 15, 2053 | 0.41% | 0.28% | 0.28% |
| USTB 4.5% 11/15/54, due Nov 15, 2054 | 1.09% | 0.28% | 0.28% |
| USTB 4.25% 02/15/54, due Feb 15, 2054 | 1.33% | 0.28% | 0.28% |
| USTN 3.875% 08/15/33, due Aug 15, 2033 | 0.31% | 0.27% | 0.27% |
| USTB 4.625% 11/15/55, due Nov 15, 2055 | 0.71% | 0.26% | 0.26% |
| USTB 4.25% 08/15/54, due Aug 15, 2054 | 0.65% | 0.25% | 0.25% |
| USTN 4.125% 11/15/32, due Nov 15, 2032 | 0.28% | 0.24% | 0.24% |
| USTN 4.375% 05/15/34, due May 15, 2034 | 0.23% | 0.53% | 0.23% |
| USTN 4.25% 06/30/33, due Jun 30, 2033 | 0.52% | 0.20% | 0.20% |
| USTB 5% 05/15/56, due May 15, 2056 | 1.36% | 0.18% | 0.18% |
| USTB 4.625% 05/15/54, due May 15, 2054 | 0.71% | 0.17% | 0.17% |
| USTB 4% 11/15/52, due Nov 15, 2052 | 0.72% | 0.17% | 0.17% |
| USTN 3.375% 05/15/33, due May 15, 2033 | 0.52% | 0.16% | 0.16% |
| USTN 3.875% 08/15/34, due Aug 15, 2034 | 0.52% | 0.15% | 0.15% |
| USTN 4.125% 11/30/31, due Nov 30, 2031 | 0.23% | 0.15% | 0.15% |
| USTN 3.5% 02/15/33, due Feb 15, 2033 | 0.53% | 0.14% | 0.14% |
| USTN 3.875% 08/31/32, due Aug 31, 2032 | 0.14% | 0.16% | 0.14% |
| JPMC CO 4.493%/VAR 03/24/31, due Mar 24, 2031 | 0.41% | 0.14% | 0.14% |
| USTN 4% 02/15/34, due Feb 15, 2034 | 0.13% | 0.34% | 0.13% |
| USTB 4.375% 08/15/43, due Aug 15, 2043 | 0.13% | 0.18% | 0.13% |
| GSINC 2.383%/VAR 07/21/32, due Jul 21, 2032 | 0.23% | 0.12% | 0.12% |
| GNII II 2.5% 07/51#MA7472, due Jul 20, 2051 | 0.20% | 0.11% | 0.11% |
| USTB 4.625% 02/15/46, due Feb 15, 2046 | 0.11% | 0.32% | 0.11% |
| GNII II 2% 11/51#MA7704, due Nov 20, 2051 | 0.11% | 0.11% | 0.11% |
| USTN 3.875% 12/31/29, due Dec 31, 2029 | 0.27% | 0.11% | 0.11% |
| USTN 4.625% 02/15/35, due Feb 15, 2035 | 0.77% | 0.10% | 0.10% |
| USTB 3.625% 02/15/53, due Feb 15, 2053 | 0.53% | 0.09% | 0.09% |
| FNMA 30YR 2% 04/51#MA4305, due Apr 1, 2051 | 0.09% | 0.33% | 0.09% |
| USTB 4.625% 11/15/45, due Nov 15, 2045 | 0.09% | 0.48% | 0.09% |
| USTB 4.625% 11/15/44, due Nov 15, 2044 | 0.12% | 0.08% | 0.08% |
| USTB 3% 08/15/52, due Aug 15, 2052 | 0.13% | 0.08% | 0.08% |
| GNII II 2% 01/52#MA7826, due Jan 20, 2052 | 0.10% | 0.07% | 0.07% |
| MPLX LP 2.65% 08/15/30, due Aug 15, 2030 | 0.11% | 0.07% | 0.07% |
| USTN 4.25% 05/31/33, due May 31, 2033 | 0.23% | 0.07% | 0.07% |
| USTB 4.625% 02/15/55, due Feb 15, 2055 | 0.33% | 0.07% | 0.07% |
| FNMA 30YR 2% 07/50#MA4077, due Jul 1, 2050 | 0.07% | 0.10% | 0.07% |
| MSTDW 4.431%/VAR 01/23/30, due Jan 23, 2030 | 0.32% | 0.06% | 0.06% |
| USTB 2.25% 02/15/52, due Feb 15, 2052 | 0.06% | 0.16% | 0.06% |
| GNII II 2.5% 12/51#MA7767, due Dec 20, 2051 | 0.14% | 0.06% | 0.06% |
| USTN 4.125% 02/15/36, due Feb 15, 2036 | 1.98% | 0.05% | 0.05% |
| GNII II 2% 08/51#MA7533, due Aug 20, 2051 | 0.05% | 0.19% | 0.05% |
| USTB 4.75% 11/15/53, due Nov 15, 2053 | 0.05% | 0.24% | 0.05% |
| USTN 4.125% 07/15/29, due Jul 15, 2029 | 0.04% | 0.26% | 0.04% |
| BOA CORP 2.592%/VAR 04/29/31, due Apr 29, 2031 | 0.30% | 0.04% | 0.04% |
| GNII II 2% 09/50#MA6864, due Sep 20, 2050 | 0.04% | 0.10% | 0.04% |
| AERCAP IRELAND 3.3% 01/30/32, due Jan 30, 2032 | 0.12% | 0.04% | 0.04% |
| JPMC CO 2.739%/VAR 10/15/30, due Oct 15, 2030 | 0.03% | 0.05% | 0.03% |
| USTN 4.125% 04/30/33, due Apr 30, 2033 | 0.31% | 0.03% | 0.03% |
| DBSW 6.819%/VAR 11/20/29, due Nov 20, 2029 | 0.03% | 0.04% | 0.03% |
| CAPITAL ONE 7.624%/VAR 10/31, due Oct 30, 2031 | 0.13% | 0.03% | 0.03% |
| USTB 4.875% 08/15/45, due Aug 15, 2045 | 0.03% | 0.49% | 0.03% |
| FNMA 30YR 2.5% 04/51#MA4306, due Apr 1, 2051 | 0.03% | 0.08% | 0.03% |
| USTB 2.875% 05/15/52, due May 15, 2052 | 0.03% | 0.19% | 0.03% |
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.