{"url":"https://etfiq.com/rankings/themes-concentrated-energy-security","section":"rankings","title":"The most concentrated energy security ETFs | ETFIQ","description":"The most concentrated energy security 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 energy security ETFs","numberOfItems":5,"itemListOrder":"https://schema.org/ItemListOrderDescending","itemListElement":[{"@type":"ListItem","position":1,"name":"IETC","url":"https://etfiq.com/funds/ietc"},{"@type":"ListItem","position":2,"name":"NSI","url":"https://etfiq.com/funds/nsi"},{"@type":"ListItem","position":3,"name":"TSES","url":"https://etfiq.com/funds/tses"},{"@type":"ListItem","position":4,"name":"DRES","url":"https://etfiq.com/funds/dres"},{"@type":"ListItem","position":5,"name":"CRTC","url":"https://etfiq.com/funds/crtc"}]},{"@type":"Dataset","name":"The most concentrated energy security ETFs","description":"The most concentrated energy security 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-energy-security","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 energy security ETFs","item":"https://etfiq.com/rankings/themes-concentrated-energy-security"}]},{"@type":"WebPage","name":"The most concentrated energy security ETFs","description":"The most concentrated energy security 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-energy-security","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":2879,"truncated":false,"content":"ETFIQ / Rankings / The most concentrated energy security ETFs \n \n As of Oct 20, 2026 . Rebuilt every trading night.\n The most concentrated energy security ETFs\n See 5 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 energy security 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 IETC iShares U.S. Tech Independence Focused E 49.6% 109 $675m +5.5% \n 2 NSI National Security Emerging Markets Index 47.0% 104 $42m +13.3% \n 3 TSES Truth Social American Energy Security ET 46.0% 70 $8m too new \n 4 DRES GMO Domestic Resilience ETF 37.3% 38 $36m +15.3% \n 5 CRTC Xtrackers US National Critical Technolog 36.5% 216 $163m +13.9% \n \n Method\n The 5 of 5 ETFs in the energy security and critical technology theme with a filed book, most concentrated first. Across the funds listed here the weight in the ten largest runs from 36.5% to 49.6%. 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 energy security ETF and what it holds The largest energy security 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 energy security 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-energy-security 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 energy security 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-energy-security APA ETFIQ. (Oct 20, 2026). The most concentrated energy security ETFs, ranked by the share of the fund held in its ten largest positions. Retrieved from https://etfiq.com/rankings/themes-concentrated-energy-security Markdown [The most concentrated energy security ETFs, ranked by the share of the fund held in its ten largest positions (ETFIQ, Oct 20, 2026)](https://etfiq.com/rankings/themes-concentrated-energy-security)","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 energy security 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-energy-security"}