{"url":"https://etfiq.com/rankings/themes-largest-nuclear","section":"rankings","title":"The largest nuclear and uranium ETFs | ETFIQ","description":"URA leads the largest nuclear and uranium ETFs at $5.4bn (net assets), as of Oct 27, 2026. The largest nuclear and uranium ETFs, ranked by net assets.","as_of":"Oct 27, 2026","structured_data":[{"@type":"ItemList","name":"The largest nuclear and uranium ETFs","numberOfItems":10,"itemListOrder":"https://schema.org/ItemListOrderDescending","itemListElement":[{"@type":"ListItem","position":1,"name":"URA","url":"https://etfiq.com/funds/ura"},{"@type":"ListItem","position":2,"name":"NLR","url":"https://etfiq.com/funds/nlr"},{"@type":"ListItem","position":3,"name":"URNM","url":"https://etfiq.com/funds/urnm"},{"@type":"ListItem","position":4,"name":"NUKZ","url":"https://etfiq.com/funds/nukz"},{"@type":"ListItem","position":5,"name":"URNJ","url":"https://etfiq.com/funds/urnj"},{"@type":"ListItem","position":6,"name":"RCTR","url":"https://etfiq.com/funds/rctr"},{"@type":"ListItem","position":7,"name":"URAN","url":"https://etfiq.com/funds/uran"},{"@type":"ListItem","position":8,"name":"SMRF","url":"https://etfiq.com/funds/smrf"},{"@type":"ListItem","position":9,"name":"UX","url":"https://etfiq.com/funds/ux"},{"@type":"ListItem","position":10,"name":"TNUK","url":"https://etfiq.com/funds/tnuk"}]},{"@type":"Dataset","name":"The largest nuclear and uranium ETFs","description":"URA leads the largest nuclear and uranium ETFs at $5.4bn (net assets), as of Oct 27, 2026. The largest nuclear and uranium ETFs, ranked by net assets.","url":"https://etfiq.com/rankings/themes-largest-nuclear","dateModified":"2026-10-27","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 largest nuclear and uranium ETFs","item":"https://etfiq.com/rankings/themes-largest-nuclear"}]},{"@type":"WebPage","name":"The largest nuclear and uranium ETFs","description":"URA leads the largest nuclear and uranium ETFs at $5.4bn (net assets), as of Oct 27, 2026. The largest nuclear and uranium ETFs, ranked by net assets.","url":"https://etfiq.com/rankings/themes-largest-nuclear","dateModified":"2026-10-27","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":3139,"truncated":false,"content":"ETFIQ / Rankings / The largest nuclear and uranium ETFs \n \n As of Oct 27, 2026 . Rebuilt every trading night.\n The largest nuclear and uranium ETFs\n See 10 funds ranked by net assets. Updated Oct 27, 2026. Every fund here is sold on nuclear and uranium. The column beside the size shows how much of each the S&P 500 already holds.\n The largest nuclear and uranium ETFs, ranked by net assets, as of Oct 27, 2026. Source: ETFIQ. # Ticker Fund Net assets Weight in S&P 500 companies Total return, 1Y Fee Source \n 1 URA Global X Uranium ETF $5.4bn 0.0% \u221225.9% 0.69% Issuer page, Oct 12, 2026 \n 2 NLR VanEck Uranium and Nuclear ETF $3.0bn 15.1% \u221233.4% 0.52% ETFIQ, shares \u00d7 NAV, Oct 23, 2026 \n 3 URNM Sprott Uranium Miners ETF $1.7bn 0.0% \u221219.3% 0.75% Issuer page, Oct 27, 2026 \n 4 NUKZ Range Nuclear Renaissance Index ETF $890m 23.0% \u221217.3% 0.85% SEC filing, May 31, 2026 \n 5 URNJ Sprott Junior Uranium Miners ETF $304m 0.0% \u221229.5% 0.80% Issuer page, Oct 27, 2026 \n 6 RCTR First Trust Bloomberg Nuclear Power ETF $29m 31.0% \u221211.6% 0.70% Issuer page, Oct 26, 2026 \n 7 URAN Themes Uranium & Nuclear ETF $22m 24.1% \u221230.8% 0.35% Issuer page, Oct 26, 2026 \n 8 SMRF ALPS Nautilus SMR, Nuclear & Technology $11m 27.8% too new 0.65% SEC filing, May 31, 2026 \n 9 UX Roundhill Uranium ETF $4.5m 0.0% \u22120.3% 0.77% Issuer daily, Oct 27, 2026 \n 10 TNUK Tortoise Nuclear Renaissance ETF $2.1m 17.4% too new 0.75% SEC filing, May 31, 2026 \n \n Method\n The 10 ETFs in the nuclear and uranium theme, of which 10 publish net assets, ranked on the most recent number for each. Across the funds listed here the weight held in S&P 500 companies runs from 0.0% to 31.0%. Size shows where the money is, not what a fund did. The list sorts one published number, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.\n Where to next\n Every nuclear and uranium ETF and what it holds The thematic ETFs least like the S&P 500 Sources\n Fund holdings from SEC Form N-PORT and from the issuers\u2019 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 Links are sources, not endorsements.\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 largest nuclear and uranium ETFs, ranked by net assets, data as of Oct 27, 2026. https://etfiq.com/rankings/themes-largest-nuclear Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, The largest nuclear and uranium ETFs, ranked by net assets, data as of Oct 27, 2026. https://etfiq.com/rankings/themes-largest-nuclear APA ETFIQ. (Oct 27, 2026). The largest nuclear and uranium ETFs, ranked by net assets. Retrieved from https://etfiq.com/rankings/themes-largest-nuclear Markdown [The largest nuclear and uranium ETFs, ranked by net assets (ETFIQ, Oct 27, 2026)](https://etfiq.com/rankings/themes-largest-nuclear)","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, The largest nuclear and uranium ETFs, ranked by net assets, data as of Oct 27, 2026. https://etfiq.com/rankings/themes-largest-nuclear"}