{"url":"https://etfiq.com/themes/energy-security","section":"themes","title":"Energy security and critical technology ETFs | ETFIQ","description":"ETFIQ covers 5 energy security and critical technology ETFs. The largest are IETC ($670m), CRTC ($162m) and NSI ($42m), as of May 31 to Oct 26, 2026.","as_of":"Oct 27, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How many energy security and critical technology ETFs are there?","acceptedAnswer":{"@type":"Answer","text":"ETFIQ covers 5 US listed energy security and critical technology ETFs as of Oct 27, 2026. That is every one it can measure from the fund\u2019s own published holdings."}},{"@type":"Question","name":"What is the largest energy security and critical technology ETF?","acceptedAnswer":{"@type":"Answer","text":"IETC, iShares U.S. Tech Independence Focused ETF, at $670m in net assets as of Oct 26, 2026, the largest of the 5 energy security and critical technology ETFs with a published size."}},{"@type":"Question","name":"What is the cheapest energy security and critical technology ETF?","acceptedAnswer":{"@type":"Answer","text":"IETC, iShares U.S. Tech Independence Focused ETF, at 0.18% a year by its prospectus filed Nov 21, 2025, the lowest fee of the 5 energy security and critical technology ETFs that publish one."}},{"@type":"Question","name":"Which energy security and critical technology ETF has performed best over the past year?","acceptedAnswer":{"@type":"Answer","text":"DRES, GMO Domestic Resilience ETF, at +19.4% total return over the year to Oct 27, 2026, the highest of the 4 energy security and critical technology ETFs with a full year of trading behind them. Past returns do not predict future ones."}},{"@type":"Question","name":"What do energy security and critical technology ETFs hold?","acceptedAnswer":{"@type":"Answer","text":"Funds that hold the companies a country needs in order to supply its own energy and critical technology. Between them the 5 energy security and critical technology ETFs ETFIQ can read name 44 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 26, 2026, most widely NVIDIA, which is among the ten largest of 2 of them."}},{"@type":"Question","name":"Do energy security and critical technology ETFs hold the same companies?","acceptedAnswer":{"@type":"Answer","text":"It depends which two. Across the 10 pairs of the 5 energy security and critical technology ETFs with a full published book, by holdings dated May 31, 2026 to Oct 26, 2026, CRTC and IETC hold 36% of their weight in the same companies, NSI and TSES hold 0%, and the middle pair holds 0%. Two funds sold on one theme are not the same fund."}}]},{"@type":"ItemList","name":"Energy security and critical technology ETFs","numberOfItems":5,"itemListElement":[{"@type":"ListItem","position":1,"name":"IETC","url":"https://etfiq.com/funds/ietc"},{"@type":"ListItem","position":2,"name":"CRTC","url":"https://etfiq.com/funds/crtc"},{"@type":"ListItem","position":3,"name":"NSI","url":"https://etfiq.com/funds/nsi"},{"@type":"ListItem","position":4,"name":"DRES","url":"https://etfiq.com/funds/dres"},{"@type":"ListItem","position":5,"name":"TSES","url":"https://etfiq.com/funds/tses"}]},{"@type":"ItemList","name":"The 5 largest energy security and critical technology ETFs","itemListOrder":"https://schema.org/ItemListOrderDescending","numberOfItems":5,"itemListElement":[{"@type":"ListItem","position":1,"name":"IETC","url":"https://etfiq.com/funds/ietc"},{"@type":"ListItem","position":2,"name":"CRTC","url":"https://etfiq.com/funds/crtc"},{"@type":"ListItem","position":3,"name":"NSI","url":"https://etfiq.com/funds/nsi"},{"@type":"ListItem","position":4,"name":"DRES","url":"https://etfiq.com/funds/dres"},{"@type":"ListItem","position":5,"name":"TSES","url":"https://etfiq.com/funds/tses"}]},{"@type":"Dataset","name":"Energy security and critical technology ETFs","description":"ETFIQ covers 5 energy security and critical technology ETFs. The largest are IETC ($670m), CRTC ($162m) and NSI ($42m), as of May 31 to Oct 26, 2026.","url":"https://etfiq.com/themes/energy-security","dateModified":"2026-10-27","inLanguage":"en","creator":{"@id":"https://etfiq.com/#org"},"publisher":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"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":"Thematic ETFs","item":"https://etfiq.com/themes/"},{"@type":"ListItem","position":3,"name":"Energy security and critical technology","item":"https://etfiq.com/themes/energy-security"}]},{"@type":"WebPage","name":"Energy security and critical technology ETFs","description":"ETFIQ covers 5 energy security and critical technology ETFs. The largest are IETC ($670m), CRTC ($162m) and NSI ($42m), as of May 31 to Oct 26, 2026.","url":"https://etfiq.com/themes/energy-security","dateModified":"2026-10-27","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":8388,"truncated":false,"content":"ETFIQ / Thematic ETFs / Energy security and critical technology \n \n Data as of Oct 27, 2026 .\n Energy security and critical technology ETFs\n See every energy security and critical technology ETF by what it holds, not by its name. Funds that hold the companies a country needs in order to supply its own energy and critical technology. 5 funds, largest first. Updated Oct 27, 2026. The typical fund carries 85% of its weight in S&P 500 stocks, the 1st most of the 53 themes with holdings on file.\n 5 US listed energy security and critical technology ETFs \n $670m The largest, IETC \n 0.18% The cheapest, IETC \n +19.4% Best one year, DRES \n\n The short answers\n Least like the S&P 500 NSI , National Security Emerging Markets Index ETF, 0.0% of its weight in S&P 500 companies. Closest pair CRTC and IETC , 36% of their weight in the same companies. What these funds actually own\n Between them the 5 funds' ten largest holdings name 44 companies, of which 6 appear in more than one. NVIDIA is among the ten largest of 2 of them, at an average of 9.1% of the fund.\n Energy security and critical technology ETFs, the companies their ten largest holdings name. Source: each fund's latest SEC filing or its issuer\u2019s own daily holdings file, read by ETFIQ. Company Among the ten largest of Average weight where it is Largest, and in which fund \n NVIDIA NVDA 2 of 5 9.1% 13.7% in IETC \n EXXON MOBIL CORP XOM 2 of 5 4.9% 6.9% in TSES \n ADVANCED MICRO DEVICES AMD 2 of 5 4.7% 5.6% in IETC \n ALPHABET CLASS A GOOGL 2 of 5 3.9% 5.1% in CRTC \n AMAZON.COM INC AMZN 2 of 5 3.8% 4.9% in CRTC \n CISCO SYSTEMS INC CSCO 2 of 5 2.2% 2.3% in IETC \n TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD 1 of 5 15.9% 15.9% in NSI \n SAMSUNG ELECTRONICS CO LTD 1 of 5 9.1% 9.1% in NSI \n BROADCOM INC AVGO 1 of 5 7.3% 7.3% in IETC \n Chevron Corp CVX 1 of 5 6.9% 6.9% in TSES \n Eaton Corp PLC ETN 1 of 5 6.0% 6.0% in TSES \n Union Pacific Corp 1 of 5 5.2% 5.2% in DRES \n MICRON TECHNOLOGY MU 1 of 5 5.1% 5.1% in IETC \n MICROSOFT CORP MSFT 1 of 5 5.0% 5.0% in CRTC \n GE Vernova Inc GEV 1 of 5 4.7% 4.7% in TSES \n \n The 15 most widely held of 44. Each row counts the ten largest holdings of each fund, so a fund missing from a row may still hold that company lower down. Weights are of the funds that name it, not of the theme.\n The 5 largest energy security and critical technology ETFs\n ETFIQ covers 5 energy security and critical technology ETFs. The largest are IETC ( $670m ), CRTC ( $162m ) and NSI ( $42m ); fees run 0.18% to 0.75% , as of May 31 to Oct 26, 2026 .\n IETC iShares U.S. Tech Independence Focused ETF $670m 0.18% \n CRTC Xtrackers US National Critical Technologies ETF $162m 0.35% \n NSI National Security Emerging Markets Index ETF $42m 0.75% \n DRES GMO Domestic Resilience ETF $36m 0.50% \n TSES Truth Social American Energy Security ETF $8.2m 0.65% \n \n Energy security and critical technology ETFs, as of Oct 27, 2026. Source: ETFIQ. Ticker Fund Issuer Net assets In the S&P 500 Active share Total return 1Y vs its benchmark 1Y Fee \n IETC iShares U.S. Tech Independence Focused ETF iShares $670m 87.3% 59.7% +2.9% not measured 0.18% \n CRTC Xtrackers US National Critical Technologies ETF Xtrackers $162m 85.4% 61.8% +10.9% \u22122.2 pts vs URTH 0.35% \n NSI National Security Emerging Markets Index ETF Tuttle $42m 0.0% 100.0% +10.1% not measured 0.75% \n DRES GMO Domestic Resilience ETF GMO $36m 55.1% 98.2% +19.4% +5.8 pts vs VOO 0.50% \n TSES Truth Social American Energy Security ETF Yorkville $8.2m 88.4% 94.7% first traded 301 days ago \u00b7 0.65% \n \n How much of each pair is the same fund\n The closest pair is CRTC and IETC , which hold 36% of their weight in the same companies. The furthest apart is NSI and TSES at 0%. The middle pair of the 10 is 0%.\n Energy security and critical technology ETFs, the share of each pair\u2019s weight held in the same companies. Read across or down; the number is the same either way. Cells are shaded against the closest pair here, 36%. Source: each fund\u2019s own filed or daily holdings, read by ETFIQ. IETC CRTC NSI DRES TSES \n IETC \u00b7 36% 0% 0% 0% \n CRTC 36% \u00b7 0% 2% 11% \n NSI 0% 0% \u00b7 0% 0% \n DRES 0% 2% 0% \u00b7 8% \n TSES 0% 11% 0% 8% \u00b7 \n \n Weight overlap adds the smaller of the two weights for every company both funds hold. Funds with a cut-short book are left out, not compared short.\n What each fund holds alone\n Energy security and critical technology ETFs, the largest holding no other fund in the grid holds. Source: ETFIQ. Fund Largest holding it alone has Weight All of its own names \n IETC BROADCOM INC AVGO 7.3% 39.9% \n CRTC ABBVIE INC ABBV 1.8% 36.7% \n NSI TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD 15.9% 95.8% \n DRES Union Pacific Corp 5.2% 67.2% \n TSES Quanta Services Inc PWR 3.7% 40.1% \n \n Questions people ask\n How many energy security and critical technology ETFs are there? ETFIQ covers 5 US listed energy security and critical technology ETFs as of Oct 27, 2026. That is every one it can measure from the fund\u2019s own published holdings. What is the largest energy security and critical technology ETF? IETC , iShares U.S. Tech Independence Focused ETF, at $670m in net assets as of Oct 26, 2026, the largest of the 5 energy security and critical technology ETFs with a published size. What is the cheapest energy security and critical technology ETF? IETC , iShares U.S. Tech Independence Focused ETF, at 0.18% a year by its prospectus filed Nov 21, 2025, the lowest fee of the 5 energy security and critical technology ETFs that publish one. Which energy security and critical technology ETF has performed best over the past year? DRES , GMO Domestic Resilience ETF, at +19.4% total return over the year to Oct 27, 2026, the highest of the 4 energy security and critical technology ETFs with a full year of trading behind them. Past returns do not predict future ones. What do energy security and critical technology ETFs hold? Funds that hold the companies a country needs in order to supply its own energy and critical technology. Between them the 5 energy security and critical technology ETFs ETFIQ can read name 44 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 26, 2026, most widely NVIDIA, which is among the ten largest of 2 of them. Do energy security and critical technology ETFs hold the same companies? It depends which two. Across the 10 pairs of the 5 energy security and critical technology ETFs with a full published book, by holdings dated May 31, 2026 to Oct 26, 2026, CRTC and IETC hold 36% of their weight in the same companies, NSI and TSES hold 0%, and the middle pair holds 0%. Two funds sold on one theme are not the same fund. What the issuers say about this theme\n The issuers behind these energy security and critical technology funds publish their own work on this theme. These are their pages and words, not ETFIQ\u2019s. A fund company writing about a theme it sells is making a case.\n Issuer material on this theme. Links leave ETFIQ. Source: each issuer\u2019s own site. Issuer What they publish Kind \n iShares iShares Portfolio Insights Their research index \n \n Where to next\n The largest energy security ETFs The cheapest energy security ETFs The energy security ETFs least like the S&P 500 The energy security ETFs that returned most The most concentrated energy security ETFs Every thematic ETF Compare two funds The vocabulary 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 ETFIQ is an independent publisher and makes no recommendations. Standards and sources \n Cite this page. ETFIQ, Energy security and critical technology ETFs, data as of Oct 27, 2026. https://etfiq.com/themes/energy-security 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, Energy security and critical technology ETFs, data as of Oct 27, 2026. https://etfiq.com/themes/energy-security APA ETFIQ. (Oct 27, 2026). Energy security and critical technology ETFs. Retrieved from https://etfiq.com/themes/energy-security Markdown [Energy security and critical technology ETFs (ETFIQ, Oct 27, 2026)](https://etfiq.com/themes/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":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, Energy security and critical technology ETFs, data as of Oct 27, 2026. https://etfiq.com/themes/energy-security"}