{"url":"https://etfiq.com/rankings/themes-concentrated-space","section":"rankings","title":"The most concentrated space ETFs | ETFIQ","description":"The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, as of Oct 20, 2026.","as_of":"Oct 20, 2026","structured_data":[{"@type":"ItemList","name":"The most concentrated space ETFs","numberOfItems":9,"itemListOrder":"https://schema.org/ItemListOrderDescending","itemListElement":[{"@type":"ListItem","position":1,"name":"ORBX","url":"https://etfiq.com/funds/orbx"},{"@type":"ListItem","position":2,"name":"WARP","url":"https://etfiq.com/funds/warp"},{"@type":"ListItem","position":3,"name":"MARS","url":"https://etfiq.com/funds/mars"},{"@type":"ListItem","position":4,"name":"NASA","url":"https://etfiq.com/funds/nasa"},{"@type":"ListItem","position":5,"name":"DIPR","url":"https://etfiq.com/funds/dipr"},{"@type":"ListItem","position":6,"name":"ARKX","url":"https://etfiq.com/funds/arkx"},{"@type":"ListItem","position":7,"name":"UFO","url":"https://etfiq.com/funds/ufo"},{"@type":"ListItem","position":8,"name":"FSPC","url":"https://etfiq.com/funds/fspc"},{"@type":"ListItem","position":9,"name":"GALX","url":"https://etfiq.com/funds/galx"}]},{"@type":"Dataset","name":"The most concentrated space ETFs","description":"The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, as of Oct 20, 2026.","url":"https://etfiq.com/rankings/themes-concentrated-space","dateModified":"2026-10-20","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"creditText":"ETFIQ (etfiq.com)","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"]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Rankings","item":"https://etfiq.com/rankings/"},{"@type":"ListItem","position":3,"name":"The most concentrated space ETFs","item":"https://etfiq.com/rankings/themes-concentrated-space"}]},{"@type":"WebPage","name":"The most concentrated space ETFs","description":"The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, as of Oct 20, 2026.","url":"https://etfiq.com/rankings/themes-concentrated-space","dateModified":"2026-10-20","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":2912,"truncated":false,"content":"ETFIQ / Rankings / The most concentrated space ETFs \n \n As of Oct 20, 2026 . Rebuilt every trading night.\n The most concentrated space ETFs\n See 9 funds ranked by the share of the fund held in its ten largest positions. Updated Oct 20, 2026. Two funds on one theme can hold ten names or two hundred. Fund names do not show which.\n The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, as of Oct 20, 2026. Source: ETFIQ. # Ticker Fund Top ten weight Holdings Net assets Total return, 1Y \n 1 ORBX Global X Space Tech ETF 75.7% 28 $39m too new \n 2 WARP VanEck Space ETF 74.3% 20 $37m too new \n 3 MARS Roundhill Space & Technology ETF 69.4% 28 $40m too new \n 4 NASA Tema Space Innovators ETF 66.5% 37 $985m too new \n 5 DIPR Corgi Space & Satellite Communications E 61.5% 28 $1m too new \n 6 ARKX ARK Space & Defense Innovation ETF 57.2% 33 $705m \u22122.1% \n 7 UFO Procure Space ETF 48.3% 64 $587m +2.0% \n 8 FSPC First Trust Bloomberg Space Economy ETF 44.3% 49 $2m too new \n 9 GALX VistaShares Space Supercycle ETF 37.3% 58 $3m too new \n \n Method\n The 9 of 10 ETFs in the space theme with a filed book, most concentrated first. Across the funds listed here the weight in the ten largest runs from 37.3% to 75.7%. Concentration is not a fault. It shows how much rides on ten holdings. The list sorts one published figure, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.\n Where to next\n Every space ETF and what it holds The largest space ETFs Where these figures came from\n Fund holdings from SEC Form N-PORT and from the issuers own daily files SEC EDGAR, full-text search of fund filings SEC Form N-PORT, what a fund filed it holds Rule 19a-1, what a distribution notice must say ETFIQ links to the documents behind every figure; a link is not an endorsement.\n A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources \n Cite this page. ETFIQ, The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-concentrated-space Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-concentrated-space APA ETFIQ. (Oct 20, 2026). The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions. Retrieved from https://etfiq.com/rankings/themes-concentrated-space Markdown [The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions (ETFIQ, Oct 20, 2026)](https://etfiq.com/rankings/themes-concentrated-space)","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, The most concentrated space ETFs, ranked by the share of the fund held in its ten largest positions, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-concentrated-space"}