{"url":"https://etfiq.com/compare/any/iwr-vs-mdy","section":"compare","title":"IWR vs MDY: Differences, Returns & Fees | ETFIQ","description":"IWR and MDY side by side to Oct 20, 2026: one-year total return +15.1% against +13.1%, expense ratio 0.18% against 0.23%.","as_of":"Oct 20, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which returned more over the last year, IWR or MDY?","acceptedAnswer":{"@type":"Answer","text":"In the year to Oct 20, 2026, with distributions reinvested, IWR returned +15.1% and MDY +13.1%."}},{"@type":"Question","name":"Which is cheaper, IWR or MDY?","acceptedAnswer":{"@type":"Answer","text":"IWR is cheaper, by 0.05 percentage points a year. That is about $5 on $10,000 held for a year. Fees come from each fund's prospectus."}},{"@type":"Question","name":"How much do IWR and MDY overlap with the S&P 500?","acceptedAnswer":{"@type":"Answer","text":"By their latest filed holdings, 62% of IWR and 0% of MDY by weight is stocks the S&P 500 already holds."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IWR vs MDY","item":"https://etfiq.com/compare/any/iwr-vs-mdy"}]},{"@type":"WebPage","name":"IWR vs MDY: Differences, Returns & Fees","description":"IWR and MDY side by side to Oct 20, 2026: one-year total return +15.1% against +13.1%, expense ratio 0.18% against 0.23%.","url":"https://etfiq.com/compare/any/iwr-vs-mdy","dateModified":"2026-10-20","speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"}},{"@type":"Dataset","name":"ETFIQ comparison of IWR and MDY","description":"IWR and MDY side by side to Oct 20, 2026: one-year total return +15.1% against +13.1%, expense ratio 0.18% against 0.23%.","dateModified":"2026-10-20","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"url":"https://etfiq.com/compare/any/iwr-vs-mdy","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/alternatives.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/core.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/crypto.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/funds.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/income.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/leverage.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IWR vs MDY","item":"https://etfiq.com/compare/any/iwr-vs-mdy"}]},{"@type":"WebPage","name":"IWR vs MDY: Differences, Returns & Fees","description":"IWR and MDY side by side to Oct 20, 2026: one-year total return +15.1% against +13.1%, expense ratio 0.18% against 0.23%.","url":"https://etfiq.com/compare/any/iwr-vs-mdy","dateModified":"2026-10-20","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":5284,"truncated":true,"content":"ETFIQ / Compare ETFs / IWR vs MDY \n \n Data as of Oct 20, 2026.\n ETFIQ etfiq.com \u00b7 independent ETF data \n IWR vs MDY: Differences, Returns & Fees\n IWR and MDY hold 22% of their weight in the same names, and IWR returned +15.1% over the year.\n Copy this for sharing \n IWR costs 0.05 points a year less; their one-year returns differ by 2.0 points; IWR is 2.2 times larger.\n IWR and MDY at a glance. As of Oct 20, 2026. Source: ETFIQ. IWR MDY \n Expense ratio 0.18% 0.23% \n Net assets $57.0bn $25.8bn \n Total return, 1 year +15.1% +13.1% \n What it tracks Russell Midcap Index S&P MidCap 400 Index \n Holdi","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, IWR against MDY, data as of Oct 20, 2026. https://etfiq.com/compare/any/iwr-vs-mdy","a":{"ticker":"IWR","name":"iShares Russell Mid-Cap ETF","issuer":"iShares","desk":"core","as_of":"2026-10-20","verdict":"IWR tracks an index and returned +15.1% over the past year.","url":"https://etfiq.com/funds/iwr","key_facts":[{"label":"Total return, 1 year","value":"+15.1%","as_of":"2026-10-20","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Expense ratio","value":"0.18%","as_of":"2026-07-27","source":"485BPOS XBRL, Jul 27, 2026"},{"label":"Holdings","value":"825","as_of":"2026-10-19","source":"the issuer\u2019s daily holdings file"},{"label":"Below its high","value":"\u22124.3%","as_of":"2026-10-20","source":"ETFIQ"},{"label":"12-month yield, capital gains included, on its starting price","value":"1.3%","as_of":"2026-10-20","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Sep 15, 2026","value":"$0.3275","as_of":"2026-09-15","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$57.0bn","as_of":"2026-10-20","source":"the issuer\u2019s own daily fund list, as of Oct 20, 2026"}]},"b":{"ticker":"MDY","name":"SPDR S&P MidCap 400 ETF Trust","issuer":"State Street","desk":"core","as_of":"2026-10-20","verdict":"MDY tracks the S&P MidCap 400 and returned +13.1% over the past year.","url":"https://etfiq.com/funds/mdy","key_facts":[{"label":"Total return, 1 year","value":"+13.1%","as_of":"2026-10-20","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Expense ratio","value":"0.23%","as_of":"2026-01-28","source":"485BPOS, Jan 28, 2026"},{"label":"Holdings","value":"401","as_of":"2026-10-19","source":"the issuer\u2019s daily holdings file"},{"label":"Below its high","value":"\u22126.7%","as_of":"2026-10-20","source":"ETFIQ"},{"label":"12-month yield, capital gains included, on its starting price","value":"1.2%","as_of":"2026-10-20","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Sep 18, 2026","value":"$1.6035","as_of":"2026-09-18","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$25.8bn","as_of":"2026-10-20","source":"the issuer\u2019s own daily fund list, as of Oct 20, 2026"}]},"overlap_pct":22,"full_text_at":"https://etfiq.com/compare/any/iwr-vs-mdy"}