{"url":"https://etfiq.com/compare/themes/trfm-vs-zap","section":"compare","title":"TRFM vs ZAP: which is really different? | ETFIQ","description":"46.8% of TRFM and 75.5% of ZAP is already in the S&P 500 by weight, as filed, and 9% 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 TRFM and ZAP hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 9% 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, TRFM or ZAP?","acceptedAnswer":{"@type":"Answer","text":"TRFM has 47% of its weight in S&P 500 names and ZAP has 76%, so ZAP differs more from the index."}},{"@type":"Question","name":"Which is cheaper, TRFM or ZAP?","acceptedAnswer":{"@type":"Answer","text":"TRFM charges 0.49% a year and ZAP charges 0.50%, so TRFM 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":"TRFM vs ZAP","item":"https://etfiq.com/compare/themes/trfm-vs-zap"}]},{"@type":"WebPage","name":"TRFM vs ZAP: which is really different?","description":"46.8% of TRFM and 75.5% of ZAP is already in the S&P 500 by weight, as filed, and 9% 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/trfm-vs-zap","dateModified":"2026-09-30","abstract":"TRFM and ZAP hold 9% of their weight in the same names, and TRFM returned +22.2% 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 TRFM and ZAP","description":"46.8% of TRFM and 75.5% of ZAP is already in the S&P 500 by weight, as filed, and 9% 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/trfm-vs-zap","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":7012,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / TRFM vs ZAP \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Sep 30, 2026 .\n\n TRFM vs ZAP: which is really different?\n\n TRFM and ZAP hold 9% of their weight in the same names, and TRFM returned +22.2% over the year.\n Copy this for sharing \n \n AAM Transformers ETF and Global X U.S. Electrification ETF.\n\n Download as PDF \n\n 46.8% TRFM in the S&P 500 \n 75.5% ZAP in the S&P 500 \n +22.2% TRFM total return, 1 year \n +4.9% ZAP total return, 1 year \n\n ETFIQ Off-Index Score: ZAP scores higher\n How much of it is not the index it is sold as an alternative to?\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/","citation":"ETFIQ, as of Sep 30, 2026. https://etfiq.com/compare/themes/trfm-vs-zap","a":{"ticker":"TRFM","name":"AAM Transformers ETF","issuer":"AAM","desk":"themes","as_of":"2026-09-30","verdict":"TRFM holds 310 stocks, and 53% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/trfm","key_facts":[{"label":"Already in the S&P 500","value":"46.8%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"79.2%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"8.1%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+22.2%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$248m","as_of":"2026-09-30","source":"SEC filing, whole fund, as filed for Jul 31, 2026"},{"label":"Expense ratio","value":"0.49%","as_of":"2026-09-30","source":"485BPOS XBRL, Feb 27, 2026"}]},"b":{"ticker":"ZAP","name":"Global X U.S. Electrification ETF","issuer":"Global X","desk":"themes","as_of":"2026-09-30","verdict":"ZAP holds 47 stocks, and 24% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/zap","key_facts":[{"label":"Already in the S&P 500","value":"75.5%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"97.9%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"43.8%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+4.9%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$436m","as_of":"2026-09-30","source":"the issuer\u2019s own daily fund list, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.50%","as_of":"2026-09-30","source":"485BPOS XBRL, Feb 26, 2026"}]},"overlap_pct":9,"full_text_at":"https://etfiq.com/compare/themes/trfm-vs-zap"}