{"url":"https://etfiq.com/compare/themes/bug-vs-spam","section":"compare","title":"BUG vs SPAM: which is really different? | ETFIQ","description":"21.8% of BUG and 26.4% of SPAM is already in the S&P 500 by weight, as filed, and 61% 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 BUG and SPAM hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 61% of their books are the same securities at the same weight, which is close to holding one of them twice. 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, BUG or SPAM?","acceptedAnswer":{"@type":"Answer","text":"BUG has 22% of its weight in S&P 500 names and SPAM has 26%, so BUG differs more from the index."}},{"@type":"Question","name":"Which is cheaper, BUG or SPAM?","acceptedAnswer":{"@type":"Answer","text":"BUG charges 0.50% a year and SPAM charges 0.35%, so SPAM 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":"BUG vs SPAM","item":"https://etfiq.com/compare/themes/bug-vs-spam"}]},{"@type":"WebPage","name":"BUG vs SPAM: which is really different?","description":"21.8% of BUG and 26.4% of SPAM is already in the S&P 500 by weight, as filed, and 61% 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/bug-vs-spam","dateModified":"2026-09-30","abstract":"BUG and SPAM hold 61% of their weight in the same names, and SPAM returned +35.1% over the year.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of BUG and SPAM","description":"21.8% of BUG and 26.4% of SPAM is already in the S&P 500 by weight, as filed, and 61% 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/bug-vs-spam","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":6820,"truncated":true,"content":"ETFIQ / Thematic ETFs / Head to head / BUG vs SPAM \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Sep 30, 2026 .\n\n BUG vs SPAM: which is really different?\n\n BUG and SPAM hold 61% of their weight in the same names, and SPAM returned +35.1% over the year.\n Copy this for sharing \n \n Global X Cybersecurity ETF and Themes Cybersecurity ETF.\n\n Download as PDF \n\n 21.8% BUG in the S&P 500 \n 26.4% SPAM in the S&P 500 \n +31.3% BUG total return, 1 year \n +35.1% SPAM total return, 1 year \n\n ETFIQ Off-Index Score: BUG scores higher\n How much of it is not the index it is sold as an alternative to?\n ","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/bug-vs-spam","a":{"ticker":"BUG","name":"Global X Cybersecurity ETF","issuer":"Global X","desk":"themes","as_of":"2026-09-30","verdict":"BUG holds 34 stocks, and 78% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/bug","key_facts":[{"label":"Already in the S&P 500","value":"21.8%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"99.4%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"64.1%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+31.3%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$2.1bn","as_of":"2026-09-30","source":"the issuer\u2019s own daily fund list, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.50%","as_of":"2026-09-30","source":"485BPOS XBRL, Mar 27, 2026"}]},"b":{"ticker":"SPAM","name":"Themes Cybersecurity ETF","issuer":"Themes","desk":"themes","as_of":"2026-09-30","verdict":"SPAM holds 35 stocks, and 74% of its weight is outside the S&P 500.","url":"https://etfiq.com/funds/spam","key_facts":[{"label":"Already in the S&P 500","value":"26.4%","as_of":"2026-09-30","source":null},{"label":"Active share vs the S&P 500","value":"99.1%","as_of":"2026-09-30","source":null},{"label":"Top ten holdings","value":"54.4%","as_of":"2026-09-30","source":null},{"label":"Total return, 1 year","value":"+35.1%","as_of":"2026-09-30","source":null},{"label":"Net assets","value":"$7m","as_of":"2026-09-30","source":"issuer page, as of Sep 18, 2026"},{"label":"Expense ratio","value":"0.35%","as_of":"2026-09-30","source":"485BPOS XBRL, Jan 27, 2026"}]},"overlap_pct":61,"full_text_at":"https://etfiq.com/compare/themes/bug-vs-spam"}