{"url":"https://etfiq.com/compare/themes/dram-vs-idef","section":"compare","title":"DRAM vs IDEF: Holdings Overlap & Returns | ETFIQ","description":"15.7% of DRAM and 42.5% of IDEF is already in the S&P 500 by weight, as filed, and 0% of the two books are the same names at the same weight.","as_of":"Oct 28, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do DRAM and IDEF hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 0% 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, DRAM or IDEF?","acceptedAnswer":{"@type":"Answer","text":"DRAM has 16% of its weight in S&P 500 names and IDEF has 42%, so DRAM differs more from the index."}},{"@type":"Question","name":"Which is cheaper, DRAM or IDEF?","acceptedAnswer":{"@type":"Answer","text":"DRAM charges 0.65% a year and IDEF charges 0.55%, so IDEF 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":"DRAM vs IDEF","item":"https://etfiq.com/compare/themes/dram-vs-idef"}]},{"@type":"WebPage","name":"DRAM vs IDEF: Holdings Overlap & Returns","description":"15.7% of DRAM and 42.5% of IDEF is already in the S&P 500 by weight, as filed, and 0% of the two books are the same names at the same weight.","url":"https://etfiq.com/compare/themes/dram-vs-idef","dateModified":"2026-10-28","abstract":"DRAM and IDEF hold 0% 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 DRAM and IDEF","description":"15.7% of DRAM and 42.5% of IDEF is already in the S&P 500 by weight, as filed, and 0% of the two books are the same names at the same weight.","dateModified":"2026-10-28","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/dram-vs-idef","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":6411,"truncated":true,"content":"ETFIQ / Thematic ETFs / Compare ETFs / DRAM vs IDEF \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 28, 2026 .\n\n DRAM vs IDEF: Holdings Overlap & Returns\n\n DRAM and IDEF hold 0% of their weight in the same names.\n Copy this for sharing \n \n IDEF costs 0.10 points a year less; DRAM is 5.6 times larger.\n DRAM and IDEF at a glance. As of Oct 28, 2026. Source: ETFIQ. DRAM IDEF \n Expense ratio 0.65% 0.55% \n Net assets $20.6bn $3.7bn \n Total return, 1 year not published \u22125.7% \n What it tracks Memory and storage Defense \n Holdings in common 0% \n Holdings in common uses holdings dated Jun 30","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, DRAM against IDEF, data as of Oct 28, 2026. https://etfiq.com/compare/themes/dram-vs-idef","a":{"ticker":"DRAM","name":"Roundhill Memory ETF","issuer":"Roundhill","desk":"themes","as_of":"2026-10-28","verdict":"From its Apr 2, 2026 launch to Oct 28, 2026, DRAM returned 95.0%.","url":"https://etfiq.com/funds/dram","key_facts":[{"label":"Already in the S&P 500","value":"15.7%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Active share vs the S&P 500","value":"96.8%","as_of":"2026-06-30","source":"ETFIQ"},{"label":"Top ten holdings","value":"56.4%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Total return, since launch","value":"+95.0%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Net assets","value":"$20.6bn","as_of":"2026-10-28","source":"the issuer\u2019s own daily fund list, as of Oct 28, 2026"},{"label":"Expense ratio","value":"0.65%","as_of":"2026-03-31","source":"485BPOS XBRL, Mar 31, 2026"}]},"b":{"ticker":"IDEF","name":"iShares Defense Industrials and Tech Active ETF","issuer":"iShares","desk":"themes","as_of":"2026-10-28","verdict":"Over the year to Oct 28, 2026, IDEF lost 5.7%.","url":"https://etfiq.com/funds/idef","key_facts":[{"label":"Already in the S&P 500","value":"42.5%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"92.2%","as_of":"2026-10-27","source":"ETFIQ"},{"label":"Top ten holdings","value":"37.3%","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"\u22125.7%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.3%","as_of":"2026-10-28","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":"$3.7bn","as_of":"2026-10-28","source":"the issuer\u2019s own daily fund list, as of Oct 28, 2026"},{"label":"Expense ratio","value":"0.55%","as_of":"2026-08-28","source":"485BPOS XBRL, Aug 28, 2026"}]},"overlap_pct":0,"full_text_at":"https://etfiq.com/compare/themes/dram-vs-idef"}