{"url":"https://etfiq.com/compare/themes/bbc-vs-xbi","section":"compare","title":"BBC vs XBI: which is really different? | ETFIQ","description":"BBC and XBI hold 32% of their weight in the same names, and BBC returned +51.4% over the year. Returns and overlap to Oct 9, 2026.","as_of":"Oct 9, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do BBC and XBI hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 32% of their books are the same securities at the same weight, which is a meaningful overlap. 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, BBC or XBI?","acceptedAnswer":{"@type":"Answer","text":"BBC has 0% of its weight in S&P 500 names and XBI has 13%, so BBC differs more from the index."}},{"@type":"Question","name":"Which is cheaper, BBC or XBI?","acceptedAnswer":{"@type":"Answer","text":"BBC charges 0.65% a year and XBI charges 0.35%, 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":"BBC vs XBI","item":"https://etfiq.com/compare/themes/bbc-vs-xbi"}]},{"@type":"WebPage","name":"BBC vs XBI: which is really different?","description":"BBC and XBI hold 32% of their weight in the same names, and BBC returned +51.4% over the year. Returns and overlap to Oct 9, 2026.","url":"https://etfiq.com/compare/themes/bbc-vs-xbi","dateModified":"2026-10-10","abstract":"BBC and XBI hold 32% of their weight in the same names, and BBC returned +51.4% 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 BBC and XBI","description":"BBC and XBI hold 32% of their weight in the same names, and BBC returned +51.4% 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/bbc-vs-xbi","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":7643,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / BBC vs XBI \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 9, 2026 .\n\n BBC vs XBI: which is really different?\n\n BBC and XBI hold 32% of their weight in the same names, and BBC returned +51.4% over the year.\n Copy this for sharing \n \n XBI costs 0.30 points a year less; their one-year returns differ by 6.4 points; XBI is far larger, $9.9bn against $46m.\n BBC and XBI at a glance. As of Oct 9, 2026. Source: ETFIQ. BBC XBI \n Expense ratio 0.65% 0.35% \n Net assets, BBC as of Jul 31, 2026 and XBI as of Oct 8, 2026 $46m $9.9bn \n Total return, 1 year +5","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, BBC against XBI, data as of Oct 9, 2026. https://etfiq.com/compare/themes/bbc-vs-xbi","a":{"ticker":"BBC","name":"Virtus Biotech Clinical Trials ETF","issuer":"Virtus","desk":"themes","as_of":"2026-10-09","verdict":"BBC holds 131 stocks, and 100% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/bbc","key_facts":[{"label":"Already in the S&P 500","value":"0.0%","as_of":"2026-10-09","source":null},{"label":"Active share vs the S&P 500","value":"100.0%","as_of":"2026-10-09","source":null},{"label":"Top ten holdings","value":"11.8%","as_of":"2026-10-09","source":null},{"label":"Total return, 1 year","value":"+51.4%","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$46m","as_of":"2026-10-09","source":"SEC filing, whole fund, as filed for Jul 31, 2026"},{"label":"Expense ratio","value":"0.65%","as_of":"2026-10-09","source":"485BPOS XBRL, Feb 27, 2026"}]},"b":{"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"}]},"overlap_pct":32,"full_text_at":"https://etfiq.com/compare/themes/bbc-vs-xbi"}