{"url":"https://etfiq.com/compare/themes/bldx-vs-ifra","section":"compare","title":"BLDX vs IFRA: which is really different? | ETFIQ","description":"36.0% of BLDX and 71.3% of IFRA is already in the S&P 500 by weight, as filed, and 11% of the two books are the same names at the same weight.","as_of":"Sep 30, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do BLDX and IFRA hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 11% 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, BLDX or IFRA?","acceptedAnswer":{"@type":"Answer","text":"BLDX has 36% of its weight in S&P 500 names and IFRA has 71%, so BLDX differs more from the index."}},{"@type":"Question","name":"Which is cheaper, BLDX or IFRA?","acceptedAnswer":{"@type":"Answer","text":"BLDX charges 0.60% a year and IFRA charges 0.30%, so IFRA 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":"BLDX vs IFRA","item":"https://etfiq.com/compare/themes/bldx-vs-ifra"}]},{"@type":"WebPage","name":"BLDX vs IFRA: which is really different?","description":"36.0% of BLDX and 71.3% of IFRA is already in the S&P 500 by weight, as filed, and 11% of the two books are the same names at the same weight. Returns and overlap to Sep 30, 2026.","url":"https://etfiq.com/compare/themes/bldx-vs-ifra","dateModified":"2026-09-30","abstract":"BLDX and IFRA hold 11% of their weight in the same names.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of BLDX and IFRA","description":"36.0% of BLDX and 71.3% of IFRA is already in the S&P 500 by weight, as filed, and 11% of the two books are the same names at the same weight. Returns and overlap to Sep 30, 2026.","dateModified":"2026-09-30","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/bldx-vs-ifra","license":"https://etfiq.com/standards/","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":6714,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / BLDX vs IFRA \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Sep 30, 2026 .\n\n BLDX vs IFRA: which is really different?\n\n BLDX and IFRA hold 11% of their weight in the same names.\n Copy this for sharing \n \n Impax Global Sustainable Infrastructure ETF and iShares U.S. Infrastructure ETF.\n\n Download as PDF \n\n 36.0% BLDX in the S&P 500 \n 71.3% IFRA in the S&P 500 \n \u22121.4% BLDX total return, since launch \n +6.1% IFRA total return, 1 year \n\n ETFIQ Off-Index Score: BLDX scores higher\n How much of it is not the index it is sold as an alternative to?\n [BLDX ","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/","citation":"ETFIQ, as of Sep 30, 2026. https://etfiq.com/compare/themes/bldx-vs-ifra","a":{"ticker":"BLDX","name":"Impax Global Sustainable Infrastructure ETF","issuer":"Impax","desk":"themes","as_of":"2026-09-30","verdict":"BLDX holds 38 stocks, and 64% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/bldx","key_facts":[{"label":"Already in the S&P 500","value":"36.0%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"96.6%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"39.6%","as_of":"2026-09-30","source":null},{"label":"Total return, since launch","value":"\u22121.4%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$118m","as_of":"2026-09-30","source":"SEC filing, whole fund, as filed for Jun 30, 2026"},{"label":"Expense ratio","value":"0.60%","as_of":"2026-09-30","source":"485BPOS XBRL, Apr 24, 2026"}]},"b":{"ticker":"IFRA","name":"iShares U.S. Infrastructure ETF","issuer":"iShares","desk":"themes","as_of":"2026-09-30","verdict":"IFRA holds 168 stocks, and 29% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/ifra","key_facts":[{"label":"Already in the S&P 500","value":"71.3%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"95.7%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"33.4%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+6.1%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$3.9bn","as_of":"2026-09-30","source":"the issuer\u2019s own daily fund list, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.30%","as_of":"2026-09-30","source":"485BPOS XBRL, Jul 27, 2026"}]},"overlap_pct":11,"full_text_at":"https://etfiq.com/compare/themes/bldx-vs-ifra"}