{"url":"https://etfiq.com/compare/themes/luma-vs-robt","section":"compare","title":"LUMA vs ROBT: Holdings Overlap & Returns | ETFIQ","description":"19.4% of LUMA and 33.5% of ROBT is already in the S&P 500 by weight, as filed, and 1% of the two books are the same names at the same weight.","as_of":"Nov 12, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do LUMA and ROBT hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 1% of their books are the same securities at the same weight. 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, LUMA or ROBT?","acceptedAnswer":{"@type":"Answer","text":"LUMA has 19% of its weight in S&P 500 names and ROBT has 34%, so LUMA differs more from the index."}},{"@type":"Question","name":"Which is cheaper, LUMA or ROBT?","acceptedAnswer":{"@type":"Answer","text":"LUMA charges 1.00% a year and ROBT charges 0.65%, so ROBT 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":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":4,"name":"LUMA vs ROBT","item":"https://etfiq.com/compare/themes/luma-vs-robt"}]},{"@type":"WebPage","name":"LUMA vs ROBT: Holdings Overlap & Returns","description":"19.4% of LUMA and 33.5% of ROBT is already in the S&P 500 by weight, as filed, and 1% of the two books are the same names at the same weight.","url":"https://etfiq.com/compare/themes/luma-vs-robt","dateModified":"2026-11-12","abstract":"LUMA and ROBT hold 1% 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 LUMA and ROBT","description":"19.4% of LUMA and 33.5% of ROBT is already in the S&P 500 by weight, as filed, and 1% of the two books are the same names at the same weight.","dateModified":"2026-11-12","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/luma-vs-robt","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":6953,"truncated":true,"content":"ETFIQ / Thematic ETFs / Compare ETFs / LUMA vs ROBT \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Nov 12, 2026 .\n\n LUMA vs ROBT: Holdings Overlap & Returns\n\n LUMA and ROBT hold 1% of their weight in the same names.\n Copy this for sharing \n \n ROBT costs 0.35 points a year less; ROBT is far larger, $716m against $10m.\n LUMA and ROBT at a glance. As of Nov 12, 2026. Source: ETFIQ. LUMA ROBT \n Expense ratio 1.00% 0.65% \n Net assets, as of Nov 11, 2026 $10m $716m \n Total return, 1 year not published +1.4% \n What it tracks AI infrastructure and chips Artificial intelligence \n Holdings in co","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, LUMA against ROBT, data as of Nov 12, 2026. https://etfiq.com/compare/themes/luma-vs-robt","a":{"ticker":"LUMA","name":"KraneShares Photonic and Optical ETF","issuer":"KraneShares","desk":"themes","as_of":"2026-11-12","verdict":"From its Jul 15, 2026 launch to Nov 12, 2026, LUMA lost 23.5%, against \u22126.8% for EEM.","url":"https://etfiq.com/funds/luma","key_facts":[{"label":"Already in the S&P 500","value":"19.4%","as_of":"2026-11-11","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"99.0%","as_of":"2026-11-11","source":"ETFIQ"},{"label":"Top ten holdings","value":"54.7%","as_of":"2026-11-11","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, since launch","value":"\u221223.5%","as_of":"2026-11-12","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Net assets","value":"$10m","as_of":"2026-11-11","source":"issuer page, as of Nov 11, 2026"},{"label":"Expense ratio","value":"1.00%","as_of":"2026-07-08","source":"497 XBRL, Jul 8, 2026"}]},"b":{"ticker":"ROBT","name":"First Trust Nasdaq Artificial Intelligence and Robotics ETF","issuer":"First Trust","desk":"themes","as_of":"2026-11-12","verdict":"Over the year to Nov 12, 2026, ROBT returned 1.4%, against 12.1% for VOO.","url":"https://etfiq.com/funds/robt","key_facts":[{"label":"Already in the S&P 500","value":"33.5%","as_of":"2026-11-11","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"84.7%","as_of":"2026-11-11","source":"ETFIQ"},{"label":"Top ten holdings","value":"19.4%","as_of":"2026-11-11","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"+1.4%","as_of":"2026-11-12","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.0%","as_of":"2026-11-12","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid annually), ex-date Jun 25, 2026","value":"$0.0094","as_of":"2026-06-25","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$716m","as_of":"2026-11-11","source":"issuer page, as of Nov 11, 2026"},{"label":"Expense ratio","value":"0.65%","as_of":"2026-01-28","source":"485BPOS XBRL, Jan 28, 2026"}]},"overlap_pct":1,"full_text_at":"https://etfiq.com/compare/themes/luma-vs-robt"}