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
282 holdings in all 2 funds| Fund | IUSB | UCON | Positions | Holdings |
|---|---|---|---|---|
| IUSBiShares Trust iShares Core Universal USD Bond ETF | — | 3% 282 shared |
18,254 | as of Oct 20, 2026issuer data |
| UCONFirst Trust Smith Unconstrained Bond ETF | 3% 282 shared | — | 434 | 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
3.5% common weight| Holding | IUSB | UCON | Smallest |
|---|---|---|---|
| TREASURY NOTE (OLD) 4.13%, due Aug 31, 2028 | 0.34% | 1.83% | 0.34% |
| TREASURY NOTE (OLD) 4.38%, due May 15, 2036 | 0.33% | 1.03% | 0.33% |
| TREASURY NOTE (2OLD), due Jul 31, 2031 | 0.27% | 0.81% | 0.27% |
| TREASURY NOTE (OLD) 4.38%, due Aug 31, 2031 | 0.24% | 0.97% | 0.24% |
| TREASURY NOTE 4%, due May 31, 2028 | 0.26% | 0.20% | 0.20% |
| TREASURY NOTE (2OLD), due Jul 31, 2028 | 0.20% | 2.47% | 0.20% |
| TREASURY NOTE (OTR) 4.75%, due Sep 30, 2028 | 0.17% | 1.55% | 0.17% |
| TREASURY NOTE 4.13%, due Oct 31, 2029 | 0.17% | 0.43% | 0.17% |
| TREASURY BOND (OLD) 5%, due May 15, 2056 | 0.17% | 0.69% | 0.17% |
| TREASURY NOTE (2OLD), due Aug 15, 2029 | 0.16% | 0.28% | 0.16% |
| TREASURY BOND (OLD) 5%, due May 15, 2046 | 0.13% | 0.31% | 0.13% |
| TREASURY BOND (OTR) 5.13%, due Aug 15, 2046 | 0.09% | 2.45% | 0.09% |
| TREASURY BOND 1.63%, due Nov 15, 2050 | 0.07% | 0.76% | 0.07% |
| FHLMC 30YR UMBS SUPER, due May 1, 2052 | 0.03% | 0.20% | 0.03% |
| SPACE EXPLORATION TECHNOLOGIES COR 144A, due Jul 15, 2031 | 0.02% | 0.31% | 0.02% |
| MERIDIAN ARC HOLDCO LLC 144A, due Apr 30, 2031 | 0.01% | 0.58% | 0.01% |
| PR RNO PROPERTY OWNER 1 LLC 144A, due May 1, 2031 | 0.01% | 0.14% | 0.01% |
| FNMA 30YR UMBS, due May 1, 2052 | 0.01% | 0.07% | 0.01% |
| CITIGROUP INC 5.86%, due Sep 24, 2037 | 0.01% | 0.11% | 0.01% |
| QUIKRETE HOLDINGS INC 144A, due Mar 1, 2032 | 0.01% | 0.03% | 0.01% |
| AERCAP IRELAND CAPITAL DAC 3%, due Oct 29, 2028 | 0.01% | 0.05% | 0.01% |
| CITIGROUP INC 5.27%, due Sep 24, 2029 | 0.01% | 0.33% | 0.01% |
| GOLDMAN SACHS GROUP INC/THE 5.02%, due Oct 23, 2035 | 0.01% | 0.16% | 0.01% |
| MORGAN STANLEY 3.77%, due Jan 24, 2029 | 0.01% | 0.05% | 0.01% |
| NEXSTAR MEDIA INC 144A, due Sep 15, 2033 | 0.01% | 0.32% | 0.01% |
| WELLS FARGO & COMPANY MTN 5.61%, due Apr 23, 2036 | 0.01% | 0.20% | 0.01% |
| MORGAN STANLEY MTN 5.16%, due Apr 20, 2029 | 0.01% | 0.17% | 0.01% |
| GALAXY HELIOS DATA CENTERS II LLC 144A, due Aug 1, 2031 | 0.01% | 0.38% | 0.01% |
| ASURION LLC 144A, due Dec 31, 2032 | 0.01% | 0.12% | 0.01% |
| ORACLE CORPORATION 5.7%, due Feb 4, 2036 | 0.01% | 0.13% | 0.01% |
| WELLS FARGO & COMPANY MTN 5.5%, due Jan 23, 2035 | 0.01% | 0.14% | 0.01% |
| NEPTUNE BIDCO US INC 144A, due Apr 15, 2029 | 0.01% | 0.26% | 0.01% |
| ASURION LLC 144A, due Feb 1, 2034 | 0.01% | 0.09% | 0.01% |
| CARNIVAL CORPORATION LTD 144A, due Aug 1, 2032 | 0.01% | 0.45% | 0.01% |
| APLD COMPUTECO LLC 144A, due Dec 15, 2030 | 0.01% | 0.41% | 0.01% |
| ALPHABET INC 4.7%, due Nov 15, 2035 | 0.01% | 0.23% | 0.01% |
| CVS HEALTH CORP NC5.25, due Mar 10, 2055 | 0.01% | 0.51% | 0.01% |
| PARAMOUNT SKYDANCE CORP 144A, due Oct 15, 2031 | 0.01% | 0.26% | 0.01% |
| BLACK PEARL COMPUTE LLC 144A, due Feb 15, 2031 | 0.01% | 0.41% | 0.01% |
| FIDELITY NATIONAL INFORMATION SERV 4.8%, due Mar 10, 2031 | 0.01% | 0.16% | 0.01% |
| COREWEAVE INC 144A, due Oct 1, 2031 | 0.01% | 0.14% | 0.01% |
| HERC HOLDINGS INC 144A, due Jun 15, 2030 | 0.01% | 0.20% | 0.01% |
| MORGAN STANLEY MTN 5.45%, due Jul 20, 2029 | 0.01% | 0.05% | 0.01% |
| JPMORGAN CHASE & CO 4.2%, due Jul 23, 2029 | 0.01% | 0.06% | 0.01% |
| JPMORGAN CHASE & CO 2.07%, due Jun 1, 2029 | 0.01% | 0.15% | 0.01% |
| UBS GROUP AG 144A, due Aug 10, 2037 | 0.01% | 0.06% | 0.01% |
| PETSMART LLC 144A, due Sep 15, 2032 | 0.01% | 0.26% | 0.01% |
| JPMORGAN CHASE & CO 5.19%, due Feb 5, 2037 | 0.01% | 0.34% | 0.01% |
| MORGAN STANLEY PRIVATE (FXD-FRN) 4.21%, due Feb 8, 2030 | 0.01% | 0.31% | 0.01% |
| ROCKET COMPANIES INC 144A, due Aug 1, 2030 | 0.01% | 0.05% | 0.01% |
| ORACLE CORPORATION 4.95%, due Feb 4, 2031 | 0.01% | 0.15% | 0.01% |
| SYNOPSYS INC 5.15%, due Apr 1, 2035 | 0.01% | 0.24% | 0.01% |
| US BANCORP MTN 4.84%, due Feb 1, 2034 | 0.01% | 0.04% | 0.01% |
| GOLDMAN SACHS GROUP INC/THE 5.39%, due Feb 2, 2041 | 0.01% | 0.24% | 0.01% |
| CARNIVAL CORP 144A, due Aug 1, 2028 | 0.01% | 0.36% | 0.01% |
| PARAMOUNT SKYDANCE CORP 144A, due Oct 15, 2034 | 0.01% | 0.09% | 0.01% |
| NEXSTAR MEDIA INC 144A, due Apr 15, 2034 | 0.01% | 0.40% | 0.01% |
| BOOZ ALLEN HAMILTON INC 5.38%, due Jan 30, 2030 | 0.01% | 0.27% | 0.01% |
| QXO BUILDING PRODUCTS INC 144A, due Jul 15, 2031 | 0.01% | 0.15% | 0.01% |
| UNITED AIRLINES INC 144A, due Apr 15, 2029 | 0.01% | 0.25% | 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.