{"url":"https://etfiq.com/compare/themes/xbi-vs-xt","section":"compare","title":"XBI vs XT: which is really different? | ETFIQ","description":"XBI and XT hold 5% of their weight in the same names, and XBI returned +45.0% over the year. Returns and overlap to Oct 9, 2026.","as_of":"Oct 9, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do XBI and XT hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 5% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share."}},{"@type":"Question","name":"Which is more different from the S&P 500, XBI or XT?","acceptedAnswer":{"@type":"Answer","text":"XBI has 13% of its weight in S&P 500 names and XT has 65%, so XBI differs more from the index."}},{"@type":"Question","name":"Which is cheaper, XBI or XT?","acceptedAnswer":{"@type":"Answer","text":"XBI charges 0.35% a year and XT charges 0.46%, so XBI is cheaper. Fees come from each fund's prospectus."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Thematic ETFs","item":"https://etfiq.com/themes/"},{"@type":"ListItem","position":3,"name":"XBI vs XT","item":"https://etfiq.com/compare/themes/xbi-vs-xt"}]},{"@type":"WebPage","name":"XBI vs XT: which is really different?","description":"XBI and XT hold 5% of their weight in the same names, and XBI returned +45.0% over the year. Returns and overlap to Oct 9, 2026.","url":"https://etfiq.com/compare/themes/xbi-vs-xt","dateModified":"2026-10-10","abstract":"XBI and XT hold 5% of their weight in the same names, and XBI returned +45.0% over the year.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of XBI and XT","description":"XBI and XT hold 5% of their weight in the same names, and XBI returned +45.0% over the year. Returns and overlap to Oct 9, 2026.","dateModified":"2026-10-10","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/xbi-vs-xt","license":"https://etfiq.com/license/","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}],"variableMeasured":["Weight overlap with the S&P 500","Active share","Holdings","Top ten share of the fund","Total return","Fee for the differing part","Expense ratio"],"keywords":["exchange-traded funds","ETF","Thematic ETFs","fund data","SEC filings"]}],"characters":7477,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / XBI vs XT \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 9, 2026 .\n\n XBI vs XT: which is really different?\n\n XBI and XT hold 5% of their weight in the same names, and XBI returned +45.0% over the year.\n Copy this for sharing \n \n XBI costs 0.11 points a year less; their one-year returns differ by 20.7 points; XBI is 2.4 times larger.\n XBI and XT at a glance. As of Oct 9, 2026. Source: ETFIQ. XBI XT \n Expense ratio 0.35% 0.46% \n Net assets, XBI as of Oct 8, 2026 and XT as of Oct 9, 2026 $9.9bn $4.1bn \n Total return, 1 year +45.0% +24.3% \n What i","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","license_text":"Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, XBI against XT, data as of Oct 9, 2026. https://etfiq.com/compare/themes/xbi-vs-xt","a":{"ticker":"XBI","name":"State Street(R) SPDR(R) S&P(R) Biotech ETF","issuer":"State Street","desk":"themes","as_of":"2026-10-09","verdict":"XBI holds 165 stocks, and 87% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/xbi","key_facts":[{"label":"Already in the S&P 500","value":"12.7%","as_of":"2026-10-09","source":null},{"label":"Active share vs the S&P 500","value":"98.4%","as_of":"2026-10-09","source":null},{"label":"Top ten holdings","value":"16.9%","as_of":"2026-10-09","source":null},{"label":"Total return, 1 year","value":"+45.0%","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$9.9bn","as_of":"2026-10-09","source":"the issuer\u2019s own daily fund list, as of Oct 8, 2026"},{"label":"Expense ratio","value":"0.35%","as_of":"2026-10-09","source":"485BPOS XBRL, Oct 24, 2025"}]},"b":{"ticker":"XT","name":"iShares Future Exponential Technologies ETF","issuer":"iShares","desk":"themes","as_of":"2026-10-09","verdict":"XT holds 196 stocks, and 35% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/xt","key_facts":[{"label":"Already in the S&P 500","value":"65.1%","as_of":"2026-10-09","source":null},{"label":"Active share vs the S&P 500","value":"68.0%","as_of":"2026-10-09","source":null},{"label":"Top ten holdings","value":"35.7%","as_of":"2026-10-09","source":null},{"label":"Total return, 1 year","value":"+24.3%","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$4.1bn","as_of":"2026-10-09","source":"the issuer\u2019s own daily fund list, as of Oct 9, 2026"},{"label":"Expense ratio","value":"0.46%","as_of":"2026-10-09","source":"485BPOS XBRL, Nov 21, 2025"}]},"overlap_pct":5,"full_text_at":"https://etfiq.com/compare/themes/xbi-vs-xt"}