{"url":"https://etfiq.com/compare/themes/arkx-vs-orbx","section":"compare","title":"ARKX vs ORBX: which is really different? | ETFIQ","description":"51.4% of ARKX and 0.0% of ORBX is already in the S&P 500 by weight, as filed, and 19% 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 ARKX and ORBX hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 19% 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, ARKX or ORBX?","acceptedAnswer":{"@type":"Answer","text":"ARKX has 51% of its weight in S&P 500 names and ORBX has 0%, so ORBX differs more from the index."}},{"@type":"Question","name":"Which is cheaper, ARKX or ORBX?","acceptedAnswer":{"@type":"Answer","text":"ARKX charges 0.75% a year and ORBX charges 0.50%, so ORBX 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":"ARKX vs ORBX","item":"https://etfiq.com/compare/themes/arkx-vs-orbx"}]},{"@type":"WebPage","name":"ARKX vs ORBX: which is really different?","description":"51.4% of ARKX and 0.0% of ORBX is already in the S&P 500 by weight, as filed, and 19% 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/arkx-vs-orbx","dateModified":"2026-09-30","abstract":"ARKX and ORBX hold 19% 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 ARKX and ORBX","description":"51.4% of ARKX and 0.0% of ORBX is already in the S&P 500 by weight, as filed, and 19% 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/arkx-vs-orbx","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":6718,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / ARKX vs ORBX \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Sep 30, 2026 .\n\n ARKX vs ORBX: which is really different?\n\n ARKX and ORBX hold 19% of their weight in the same names.\n Copy this for sharing \n \n ARK Space & Defense Innovation ETF and Global X Space Tech ETF.\n\n Download as PDF \n\n 51.4% ARKX in the S&P 500 \n 0.0% ORBX in the S&P 500 \n +11.7% ARKX total return, 1 year \n \u221219.6% ORBX total return, since launch \n\n ETFIQ Off-Index Score: ORBX scores higher\n How much of it is not the index it is sold as an alternative to?\n [ARKX scores 15.9 and ","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/arkx-vs-orbx","a":{"ticker":"ARKX","name":"ARK Space & Defense Innovation ETF","issuer":"ARK","desk":"themes","as_of":"2026-09-30","verdict":"ARKX holds 34 stocks, and 49% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/arkx","key_facts":[{"label":"Already in the S&P 500","value":"51.4%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"83.6%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"57.1%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+11.7%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$737m","as_of":"2026-09-30","source":"the issuer\u2019s daily holdings, added up, as of Oct 1, 2026"},{"label":"Expense ratio","value":"0.75%","as_of":"2026-09-30","source":"485BPOS XBRL, Nov 26, 2025"}]},"b":{"ticker":"ORBX","name":"Global X Space Tech ETF","issuer":"Global X","desk":"themes","as_of":"2026-09-30","verdict":"ORBX holds 38 stocks, and 100% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/orbx","key_facts":[{"label":"Already in the S&P 500","value":"0.0%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"100.0%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"73.5%","as_of":"2026-09-30","source":null},{"label":"Total return, since launch","value":"\u221219.6%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$41m","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, Apr 2, 2026"}]},"overlap_pct":19,"full_text_at":"https://etfiq.com/compare/themes/arkx-vs-orbx"}