{"url":"https://etfiq.com/compare/any/ibb-vs-xbi","section":"compare","title":"IBB vs XBI: ETF Returns, Fees and Overlap | ETFIQ","description":"IBB vs XBI to Oct 28, 2026: one-year total return +37.5% against +41.2%, expense ratio 0.44% against 0.35%. 43% of their weight is in the same names.","as_of":"Oct 28, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which returned more over the last year, IBB or XBI?","acceptedAnswer":{"@type":"Answer","text":"In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and XBI +41.2%."}},{"@type":"Question","name":"Which is cheaper, IBB or XBI?","acceptedAnswer":{"@type":"Answer","text":"XBI is cheaper, by 0.09 percentage points a year. That is about $9 on $10,000 held for a year. Fees come from each fund's prospectus."}},{"@type":"Question","name":"How much do IBB and XBI overlap with the S&P 500?","acceptedAnswer":{"@type":"Answer","text":"By their latest filed holdings, 40% of IBB and 13% of XBI by weight is stocks the S&P 500 already holds."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IBB vs XBI","item":"https://etfiq.com/compare/any/ibb-vs-xbi"}]},{"@type":"WebPage","name":"IBB vs XBI: ETF Returns, Fees and Overlap","description":"IBB vs XBI to Oct 28, 2026: one-year total return +37.5% against +41.2%, expense ratio 0.44% against 0.35%. 43% of their weight is in the same names.","url":"https://etfiq.com/compare/any/ibb-vs-xbi","dateModified":"2026-10-28","speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"}},{"@type":"Dataset","name":"ETFIQ comparison of IBB and XBI","description":"IBB vs XBI to Oct 28, 2026: one-year total return +37.5% against +41.2%, expense ratio 0.44% against 0.35%. 43% of their weight is in the same names.","dateModified":"2026-10-28","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"url":"https://etfiq.com/compare/any/ibb-vs-xbi","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/alternatives.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/core.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/crypto.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/funds.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/income.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/leverage.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IBB vs XBI","item":"https://etfiq.com/compare/any/ibb-vs-xbi"}]},{"@type":"WebPage","name":"IBB vs XBI: ETF Returns, Fees and Overlap","description":"IBB vs XBI to Oct 28, 2026: one-year total return +37.5% against +41.2%, expense ratio 0.44% against 0.35%. 43% of their weight is in the same names.","url":"https://etfiq.com/compare/any/ibb-vs-xbi","dateModified":"2026-10-28","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":5019,"truncated":true,"content":"ETFIQ / Compare ETFs / IBB vs XBI \n \n Data as of Oct 28, 2026.\n ETFIQ etfiq.com \u00b7 independent ETF data \n IBB vs XBI: Differences, Returns & Fees\n Over the year to Oct 28, 2026, IBB returned +37.5% to XBI's +41.2%; 43% of their weight is in the same names.\n Copy this for sharing \n XBI costs 0.09 points a year less; their one-year returns differ by 3.7 points; IBB is 1.1 times larger.\n IBB and XBI at a glance. As of Oct 28, 2026. Source: ETFIQ. IBB XBI \n Expense ratio 0.44% 0.35% \n Net assets, as of Oct 27, 2026 $11.0bn $10.3bn \n Total return, 1 year +37.5% +41.2% \n What it tracks Biotech Biotec","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":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, IBB against XBI, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-xbi","a":{"ticker":"IBB","name":"iShares Biotechnology ETF","issuer":"iShares","desk":"themes","as_of":"2026-10-28","verdict":"Over the year to Oct 28, 2026, IBB returned 37.5%.","url":"https://etfiq.com/funds/ibb","key_facts":[{"label":"Already in the S&P 500","value":"40.2%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"99.0%","as_of":"2026-10-27","source":"ETFIQ"},{"label":"Top ten holdings","value":"50.5%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"+37.5%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.2%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Sep 15, 2026","value":"$0.0112","as_of":"2026-09-15","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$11.0bn","as_of":"2026-10-27","source":"the issuer\u2019s own daily fund list, as of Oct 27, 2026"},{"label":"Expense ratio","value":"0.44%","as_of":"2026-07-27","source":"485BPOS XBRL, Jul 27, 2026"}]},"b":{"ticker":"XBI","name":"State Street SPDR S&P Biotech ETF","issuer":"State Street","desk":"themes","as_of":"2026-10-28","verdict":"Over the year to Oct 28, 2026, XBI returned 41.2%.","url":"https://etfiq.com/funds/xbi","key_facts":[{"label":"Already in the S&P 500","value":"13.2%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"98.4%","as_of":"2026-10-27","source":"ETFIQ"},{"label":"Top ten holdings","value":"17.8%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"+41.2%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.5%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Jun 22, 2026","value":"$0.1381","as_of":"2026-06-22","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$10.3bn","as_of":"2026-10-27","source":"the issuer\u2019s own daily fund list, as of Oct 27, 2026"},{"label":"Expense ratio","value":"0.35%","as_of":"2025-10-24","source":"485BPOS XBRL, Oct 24, 2025"}]},"overlap_pct":43,"full_text_at":"https://etfiq.com/compare/any/ibb-vs-xbi"}