{"url":"https://etfiq.com/compare/themes/idrv-vs-wats","section":"compare","title":"IDRV vs WATS: which is really different? | ETFIQ","description":"8.1% of IDRV and 28.9% of WATS is already in the S&P 500 by weight, as filed, and 9% of the two books are the same names at the same weight.","as_of":"Sep 30, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do IDRV and WATS hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 9% of their books are the same securities at the same weight, which is mostly different names. 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, IDRV or WATS?","acceptedAnswer":{"@type":"Answer","text":"IDRV has 8% of its weight in S&P 500 names and WATS has 29%, so IDRV differs more from the index."}},{"@type":"Question","name":"Which is cheaper, IDRV or WATS?","acceptedAnswer":{"@type":"Answer","text":"IDRV charges 0.48% a year and WATS charges 0.35%, so WATS 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":"IDRV vs WATS","item":"https://etfiq.com/compare/themes/idrv-vs-wats"}]},{"@type":"WebPage","name":"IDRV vs WATS: which is really different?","description":"8.1% of IDRV and 28.9% of WATS is already in the S&P 500 by weight, as filed, and 9% of the two books are the same names at the same weight. Returns and overlap to Sep 30, 2026.","url":"https://etfiq.com/compare/themes/idrv-vs-wats","dateModified":"2026-09-30","abstract":"IDRV and WATS hold 9% of their weight 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 IDRV and WATS","description":"8.1% of IDRV and 28.9% of WATS is already in the S&P 500 by weight, as filed, and 9% of the two books are the same names at the same weight. Returns and overlap to Sep 30, 2026.","dateModified":"2026-09-30","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/idrv-vs-wats","license":"https://etfiq.com/standards/","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":6932,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / IDRV vs WATS \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Sep 30, 2026 .\n\n IDRV vs WATS: which is really different?\n\n IDRV and WATS hold 9% of their weight in the same names.\n Copy this for sharing \n \n iShares Self-Driving EV and Tech ETF and Corgi Battery Energy Storage Systems ETF.\n\n Download as PDF \n\n 8.1% IDRV in the S&P 500 \n 28.9% WATS in the S&P 500 \n \u22128.9% IDRV total return, 1 year \n \u221224.9% WATS total return, since launch \n\n ETFIQ Off-Index Score: IDRV scores higher\n How much of it is not the index it is sold as an alternative to?\n [IDRV","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/","citation":"ETFIQ, as of Sep 30, 2026. https://etfiq.com/compare/themes/idrv-vs-wats","a":{"ticker":"IDRV","name":"iShares Self-Driving EV and Tech ETF","issuer":"iShares","desk":"themes","as_of":"2026-09-30","verdict":"IDRV holds 77 stocks, and 92% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/idrv","key_facts":[{"label":"Already in the S&P 500","value":"8.1%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"98.1%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"43.2%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"\u22128.9%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$260m","as_of":"2026-09-30","source":"the issuer\u2019s own daily fund list, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.48%","as_of":"2026-09-30","source":"485BPOS XBRL, Nov 21, 2025"}]},"b":{"ticker":"WATS","name":"Corgi Battery Energy Storage Systems ETF","issuer":"Corgi","desk":"themes","as_of":"2026-09-30","verdict":"WATS holds 24 stocks, and 71% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/wats","key_facts":[{"label":"Already in the S&P 500","value":"28.9%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"98.1%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"65.2%","as_of":"2026-09-30","source":null},{"label":"Total return, since launch","value":"\u221224.9%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$496,218","as_of":"2026-09-30","source":"the issuer\u2019s own daily fund list, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.35%","as_of":"2026-09-30","source":"485BPOS XBRL, Apr 30, 2026"}]},"overlap_pct":9,"full_text_at":"https://etfiq.com/compare/themes/idrv-vs-wats"}