{"url":"https://etfiq.com/compare/themes/idef-vs-wdef","section":"compare","title":"IDEF vs WDEF: Holdings Overlap & Returns | ETFIQ","description":"Over the year to Nov 4, 2026, IDEF returned \u22125.8% to WDEF's \u22125.6%; 19% of their weight is in the same names. Returns and overlap to Nov 4, 2026.","as_of":"Nov 4, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do IDEF and WDEF hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 19% of their books are the same securities at the same weight. 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, IDEF or WDEF?","acceptedAnswer":{"@type":"Answer","text":"IDEF has 40% of its weight in S&P 500 names and WDEF has 0%, so WDEF differs more from the index."}},{"@type":"Question","name":"Which is cheaper, IDEF or WDEF?","acceptedAnswer":{"@type":"Answer","text":"IDEF charges 0.55% a year and WDEF charges 0.45%, so WDEF 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":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":4,"name":"IDEF vs WDEF","item":"https://etfiq.com/compare/themes/idef-vs-wdef"}]},{"@type":"WebPage","name":"IDEF vs WDEF: Holdings Overlap & Returns","description":"Over the year to Nov 4, 2026, IDEF returned \u22125.8% to WDEF's \u22125.6%; 19% of their weight is in the same names. Returns and overlap to Nov 4, 2026.","url":"https://etfiq.com/compare/themes/idef-vs-wdef","dateModified":"2026-11-04","abstract":"Over the year to Nov 4, 2026, IDEF returned \u22125.8% to WDEF's \u22125.6%; 19% of their weight is 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 IDEF and WDEF","description":"Over the year to Nov 4, 2026, IDEF returned \u22125.8% to WDEF's \u22125.6%; 19% of their weight is in the same names. Returns and overlap to Nov 4, 2026.","dateModified":"2026-11-04","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/idef-vs-wdef","license":"https://etfiq.com/license/","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":6805,"truncated":true,"content":"ETFIQ / Thematic ETFs / Compare ETFs / IDEF vs WDEF \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Nov 4, 2026 .\n\n IDEF vs WDEF: Holdings Overlap & Returns\n\n Over the year to Nov 4, 2026, IDEF returned \u22125.8% to WDEF's \u22125.6%; 19% of their weight is in the same names.\n Copy this for sharing \n \n WDEF costs 0.10 points a year less; their one-year returns differ by 0.2 points.\n IDEF and WDEF at a glance. As of Nov 4, 2026. Source: ETFIQ. IDEF WDEF \n Expense ratio 0.55% 0.45% \n Net assets, IDEF as of Nov 4, 2026 and WDEF as of Jun 30, 2026 $3.6bn $88m \n Total return, 1 year \u22125.8% \u22125.6% \n Wha","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, IDEF against WDEF, data as of Nov 4, 2026. https://etfiq.com/compare/themes/idef-vs-wdef","a":{"ticker":"IDEF","name":"iShares Defense Industrials and Tech Active ETF","issuer":"iShares","desk":"themes","as_of":"2026-11-04","verdict":"Over the year to Nov 4, 2026, IDEF lost 5.8%.","url":"https://etfiq.com/funds/idef","key_facts":[{"label":"Already in the S&P 500","value":"40.1%","as_of":"2026-11-03","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"92.6%","as_of":"2026-11-03","source":"ETFIQ"},{"label":"Top ten holdings","value":"36.3%","as_of":"2026-11-03","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"\u22125.8%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.3%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment, ex-date Jun 15, 2026","value":"$0.0542","as_of":"2026-06-15","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$3.6bn","as_of":"2026-11-04","source":"the issuer\u2019s own daily fund list, as of Nov 4, 2026"},{"label":"Expense ratio","value":"0.55%","as_of":"2026-08-28","source":"485BPOS XBRL, Aug 28, 2026"}]},"b":{"ticker":"WDEF","name":"WisdomTree Europe Defense Fund","issuer":"WisdomTree","desk":"themes","as_of":"2026-11-04","verdict":"Over the year to Nov 4, 2026, WDEF lost 5.6%.","url":"https://etfiq.com/funds/wdef","key_facts":[{"label":"Already in the S&P 500","value":"0.0%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Active share vs the S&P 500","value":"100.0%","as_of":"2026-06-30","source":"ETFIQ"},{"label":"Top ten holdings","value":"63.3%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Total return, 1 year","value":"\u22125.6%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.1%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment, ex-date Dec 26, 2025","value":"$0.021","as_of":"2025-12-26","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$88m","as_of":"2026-06-30","source":"SEC filing, whole fund, as filed for Jun 30, 2026"},{"label":"Expense ratio","value":"0.45%","as_of":"2026-07-29","source":"485BPOS XBRL, Jul 29, 2026"}]},"overlap_pct":19,"full_text_at":"https://etfiq.com/compare/themes/idef-vs-wdef"}