{"url":"https://etfiq.com/compare/themes/bldx-vs-nfra","section":"compare","title":"BLDX vs NFRA: which is really different? | ETFIQ","description":"36.0% of BLDX and 35.8% of NFRA is already in the S&P 500 by weight, as filed, and 22% of the two books are the same names at the same weight.","as_of":"Oct 9, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do BLDX and NFRA hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 22% 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, BLDX or NFRA?","acceptedAnswer":{"@type":"Answer","text":"BLDX has 36% of its weight in S&P 500 names and NFRA has 36%, so BLDX differs more from the index."}},{"@type":"Question","name":"Which is cheaper, BLDX or NFRA?","acceptedAnswer":{"@type":"Answer","text":"BLDX charges 0.60% a year and NFRA charges 0.47%, so NFRA 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 NFRA","item":"https://etfiq.com/compare/themes/bldx-vs-nfra"}]},{"@type":"WebPage","name":"BLDX vs NFRA: which is really different?","description":"36.0% of BLDX and 35.8% of NFRA is already in the S&P 500 by weight, as filed, and 22% of the two books are the same names at the same weight.","url":"https://etfiq.com/compare/themes/bldx-vs-nfra","dateModified":"2026-10-09","abstract":"BLDX and NFRA hold 22% 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 NFRA","description":"36.0% of BLDX and 35.8% of NFRA is already in the S&P 500 by weight, as filed, and 22% of the two books are the same names at the same weight.","dateModified":"2026-10-09","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/bldx-vs-nfra","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":7824,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / BLDX vs NFRA \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 9, 2026 .\n\n BLDX vs NFRA: which is really different?\n\n BLDX and NFRA hold 22% of their weight in the same names.\n Copy this for sharing \n \n NFRA costs 0.13 points a year less; NFRA is far larger, $3.0bn against $118m.\n BLDX and NFRA at a glance. As of Oct 9, 2026. Source: ETFIQ. BLDX NFRA \n Expense ratio 0.60% 0.47% \n Net assets, BLDX as of Jun 30, 2026 and NFRA as of Jul 31, 2026 $118m $3.0bn \n Total return, 1 year not published +5.5% \n What it tracks Infrastructure Infrastructure \n ","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, BLDX against NFRA, data as of Oct 9, 2026. https://etfiq.com/compare/themes/bldx-vs-nfra","a":{"ticker":"BLDX","name":"Impax Global Sustainable Infrastructure ETF","issuer":"Impax","desk":"themes","as_of":"2026-10-09","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":"2026-10-09","source":null},{"label":"Active share vs the S&P 500","value":"96.6%","as_of":"2026-10-09","source":null},{"label":"Top ten holdings","value":"39.6%","as_of":"2026-10-09","source":null},{"label":"Total return, since launch","value":"\u22120.6%","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$118m","as_of":"2026-10-09","source":"SEC filing, whole fund, as filed for Jun 30, 2026"},{"label":"Expense ratio","value":"0.60%","as_of":"2026-10-09","source":"485BPOS XBRL, Apr 24, 2026"}]},"b":{"ticker":"NFRA","name":"Northern Trust STOXX Global Broad Infrastructure ETF","issuer":"Northern Trust","desk":"themes","as_of":"2026-10-09","verdict":"NFRA holds 179 stocks, and 64% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/nfra","key_facts":[{"label":"Already in the S&P 500","value":"35.8%","as_of":"2026-10-09","source":null},{"label":"Active share vs the S&P 500","value":"96.1%","as_of":"2026-10-09","source":null},{"label":"Top ten holdings","value":"28.6%","as_of":"2026-10-09","source":null},{"label":"Total return, 1 year","value":"+5.5%","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$3.0bn","as_of":"2026-10-09","source":"SEC filing, whole fund, as filed for Jul 31, 2026"},{"label":"Expense ratio","value":"0.47%","as_of":"2026-10-09","source":"485BPOS XBRL, Feb 25, 2026"}]},"overlap_pct":22,"full_text_at":"https://etfiq.com/compare/themes/bldx-vs-nfra"}