{"url":"https://etfiq.com/themes/genomics","section":"themes","title":"Genomics ETFs: 4 funds, largest first | ETFIQ","description":"ETFIQ covers 4 genomics ETFs. The largest are ARKG ($2.1bn), IDNA ($321m) and GNOM ($104m); fees run 0.35% to 0.75%, as of Oct 12 to 26, 2026.","as_of":"Oct 27, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How many genomics ETFs are there?","acceptedAnswer":{"@type":"Answer","text":"ETFIQ covers 4 US listed genomics ETFs as of Oct 27, 2026. That is every one it can measure from the fund\u2019s own published holdings."}},{"@type":"Question","name":"What is the largest genomics ETF?","acceptedAnswer":{"@type":"Answer","text":"ARKG, ARK Genomic Revolution ETF, at $2.1bn in net assets as of Oct 26, 2026, the largest of the 4 genomics ETFs with a published size."}},{"@type":"Question","name":"What is the cheapest genomics ETF?","acceptedAnswer":{"@type":"Answer","text":"GNMX, Corgi Genomics & Precision Medicine ETF, at 0.35% a year by its prospectus filed May 14, 2026, the lowest fee of the 4 genomics ETFs that publish one."}},{"@type":"Question","name":"Which genomics ETF has performed best over the past year?","acceptedAnswer":{"@type":"Answer","text":"IDNA, iShares Genomics Immunology and Healthcare ETF, at +66.8% total return over the year to Oct 27, 2026, the highest of the 3 genomics ETFs with a full year of trading behind them. Past returns do not predict future ones."}},{"@type":"Question","name":"What do genomics ETFs hold?","acceptedAnswer":{"@type":"Answer","text":"Funds that hold the gene sequencing, gene editing and precision medicine companies. Broader drug developers are on the biotech page. Between them the 4 genomics ETFs ETFIQ can read name 31 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 27, 2026, most widely TWIST BIOSCIENCE CORP, which is among the ten largest of 3 of them."}},{"@type":"Question","name":"Do genomics ETFs hold the same companies?","acceptedAnswer":{"@type":"Answer","text":"It depends which two. Across the 6 pairs of the 4 genomics ETFs with a full published book, by holdings dated May 31, 2026 to Oct 27, 2026, GNMX and GNOM hold 42% of their weight in the same companies, ARKG and IDNA hold 9%, and the middle pair holds 33%. Two funds sold on one theme are not the same fund."}}]},{"@type":"ItemList","name":"Genomics ETFs: 4 funds, largest first","numberOfItems":4,"itemListElement":[{"@type":"ListItem","position":1,"name":"ARKG","url":"https://etfiq.com/funds/arkg"},{"@type":"ListItem","position":2,"name":"IDNA","url":"https://etfiq.com/funds/idna"},{"@type":"ListItem","position":3,"name":"GNOM","url":"https://etfiq.com/funds/gnom"},{"@type":"ListItem","position":4,"name":"GNMX","url":"https://etfiq.com/funds/gnmx"}]},{"@type":"ItemList","name":"The 4 largest genomics ETFs","itemListOrder":"https://schema.org/ItemListOrderDescending","numberOfItems":4,"itemListElement":[{"@type":"ListItem","position":1,"name":"ARKG","url":"https://etfiq.com/funds/arkg"},{"@type":"ListItem","position":2,"name":"IDNA","url":"https://etfiq.com/funds/idna"},{"@type":"ListItem","position":3,"name":"GNOM","url":"https://etfiq.com/funds/gnom"},{"@type":"ListItem","position":4,"name":"GNMX","url":"https://etfiq.com/funds/gnmx"}]},{"@type":"Dataset","name":"Genomics ETFs: what each one holds","description":"ETFIQ covers 4 genomics ETFs. The largest are ARKG ($2.1bn), IDNA ($321m) and GNOM ($104m); fees run 0.35% to 0.75%, as of Oct 12 to 26, 2026.","url":"https://etfiq.com/themes/genomics","dateModified":"2026-10-27","inLanguage":"en","creator":{"@id":"https://etfiq.com/#org"},"publisher":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"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"]},{"@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":"Genomics","item":"https://etfiq.com/themes/genomics"}]},{"@type":"WebPage","name":"Genomics ETFs: 4 funds, largest first","description":"ETFIQ covers 4 genomics ETFs. The largest are ARKG ($2.1bn), IDNA ($321m) and GNOM ($104m); fees run 0.35% to 0.75%, as of Oct 12 to 26, 2026.","url":"https://etfiq.com/themes/genomics","dateModified":"2026-10-27","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":7590,"truncated":false,"content":"ETFIQ / Thematic ETFs / Genomics \n \n Data as of Oct 27, 2026 .\n Genomics ETFs: what each one holds\n See every genomics ETF by what it holds, not by its name. Funds that hold the gene sequencing, gene editing and precision medicine companies. Broader drug developers are on the biotech page. 4 funds, largest first. Updated Oct 27, 2026. The typical fund carries 22% of its weight in S&P 500 stocks, the 33rd most of the 53 themes with holdings on file.\n 4 US listed genomics ETFs \n $2.1bn The largest, ARKG \n 0.35% The cheapest, GNMX \n +66.8% Best one year, IDNA \n\n The short answers\n Least like the S&P 500 ARKG , ARK Genomic Revolution ETF, 4.1% of its weight in S&P 500 companies. Closest pair GNMX and GNOM , 42% of their weight in the same companies. What these funds actually own\n Between them the 4 funds' ten largest holdings name 31 companies, of which 8 appear in more than one. TWIST BIOSCIENCE CORP is among the ten largest of 3 of them, at an average of 5.6% of the fund.\n Genomics and gene editing ETFs, the companies their ten largest holdings name. Source: each fund's latest SEC filing or its issuer\u2019s own daily holdings file, read by ETFIQ. Company Among the ten largest of Average weight where it is Largest, and in which fund \n TWIST BIOSCIENCE CORP TWST 3 of 4 5.6% 8.3% in ARKG \n MODERNA MRNA 2 of 4 10.5% 12.0% in IDNA \n 10X GENOMICS INC-CLASS A TXG 2 of 4 6.1% 8.8% in ARKG \n ILLUMINA INC ILMN 2 of 4 4.9% 5.0% in ARKG \n GUARDANT HEALTH INC GH 2 of 4 4.4% 5.2% in ARKG \n GENMAB GMAB 2 of 4 4.4% 5.2% in IDNA \n IOVANCE BIOTHERAPEUTICS INC IOVA 2 of 4 4.0% 4.8% in IDNA \n REVOLUTION MEDICINES RVMD 2 of 4 3.3% 3.5% in IDNA \n Thermo Fisher Scientific Inc TMO 1 of 4 8.7% 8.7% in GNMX \n TEMPUS AI INC-CL A TEM 1 of 4 8.2% 8.2% in ARKG \n Vertex Pharmaceuticals Inc VRTX 1 of 4 5.8% 5.8% in GNMX \n GUARDANT HEALTH, INC. 1 of 4 5.6% 5.6% in GNOM \n CRISPR THERAPEUTICS AG CRSP 1 of 4 5.3% 5.3% in ARKG \n NATERA INC NTRA 1 of 4 4.9% 4.9% in ARKG \n ABSCI CORP ABSI 1 of 4 4.9% 4.9% in ARKG \n \n The 15 most widely held of 31. Each row counts the ten largest holdings of each fund, so a fund missing from a row may still hold that company lower down. Weights are of the funds that name it, not of the theme.\n The 4 largest genomics ETFs\n ETFIQ covers 4 genomics ETFs. The largest are ARKG ( $2.1bn ), IDNA ( $321m ) and GNOM ( $104m ); fees run 0.35% to 0.75% , as of Oct 12 to 26, 2026 .\n ARKG ARK Genomic Revolution ETF $2.1bn 0.75% \n IDNA iShares Genomics Immunology and Healthcare ETF $321m 0.47% \n GNOM Global X Genomics & Biotechnology ETF $104m 0.50% \n GNMX Corgi Genomics & Precision Medicine ETF $1.3m 0.35% \n \n Genomics ETFs: what each one holds, as of Oct 27, 2026. Source: ETFIQ. Ticker Fund Issuer Net assets In the S&P 500 Active share Total return 1Y vs its benchmark 1Y Fee \n ARKG ARK Genomic Revolution ETF ARK $2.1bn 4.1% 98.5% +65.8% not measured 0.75% \n IDNA iShares Genomics Immunology and Healthcare ETF iShares $321m 25.5% 99.1% +66.8% not measured 0.47% \n GNOM Global X Genomics & Biotechnology ETF Global X $104m 17.9% 97.6% +56.6% not measured 0.50% \n GNMX Corgi Genomics & Precision Medicine ETF Corgi $1.3m 28.2% 99.4% first traded 174 days ago \u00b7 0.35% \n \n How much of each pair is the same fund\n The closest pair is GNMX and GNOM , which hold 42% of their weight in the same companies. The furthest apart is ARKG and IDNA at 9%. The middle pair of the 6 is 33%.\n Genomics ETFs, the share of each pair\u2019s weight held in the same companies. Read across or down; the number is the same either way. Cells are shaded against the closest pair here, 42%. Source: each fund\u2019s own filed or daily holdings, read by ETFIQ. ARKG IDNA GNOM GNMX \n ARKG \u00b7 9% 40% 34% \n IDNA 9% \u00b7 20% 33% \n GNOM 40% 20% \u00b7 42% \n GNMX 34% 33% 42% \u00b7 \n \n Weight overlap adds the smaller of the two weights for every company both funds hold. Funds with a cut-short book are left out, not compared short.\n What each fund holds alone\n Genomics ETFs, the largest holding no other fund in the grid holds. Source: ETFIQ. Fund Largest holding it alone has Weight All of its own names \n ARKG COMPASS PATHWAYS PLC CMPS 2.7% 12.7% \n IDNA TAKEDA PHARMACEUTICAL 3.8% 48.3% \n GNOM Legend Biotech Corp 4.0% 23.2% \n GNMX Thermo Fisher Scientific Inc TMO 8.7% 22.4% \n \n Questions people ask\n How many genomics ETFs are there? ETFIQ covers 4 US listed genomics ETFs as of Oct 27, 2026. That is every one it can measure from the fund\u2019s own published holdings. What is the largest genomics ETF? ARKG , ARK Genomic Revolution ETF, at $2.1bn in net assets as of Oct 26, 2026, the largest of the 4 genomics ETFs with a published size. What is the cheapest genomics ETF? GNMX , Corgi Genomics & Precision Medicine ETF, at 0.35% a year by its prospectus filed May 14, 2026, the lowest fee of the 4 genomics ETFs that publish one. Which genomics ETF has performed best over the past year? IDNA , iShares Genomics Immunology and Healthcare ETF, at +66.8% total return over the year to Oct 27, 2026, the highest of the 3 genomics ETFs with a full year of trading behind them. Past returns do not predict future ones. What do genomics ETFs hold? Funds that hold the gene sequencing, gene editing and precision medicine companies. Broader drug developers are on the biotech page. Between them the 4 genomics ETFs ETFIQ can read name 31 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 27, 2026, most widely TWIST BIOSCIENCE CORP, which is among the ten largest of 3 of them. Do genomics ETFs hold the same companies? It depends which two. Across the 6 pairs of the 4 genomics ETFs with a full published book, by holdings dated May 31, 2026 to Oct 27, 2026, GNMX and GNOM hold 42% of their weight in the same companies, ARKG and IDNA hold 9%, and the middle pair holds 33%. Two funds sold on one theme are not the same fund. What the issuers say about this theme\n The issuers behind these genomics funds publish their own work on this theme. These are their pages and words, not ETFIQ\u2019s. A fund company writing about a theme it sells is making a case.\n Issuer material on this theme. Links leave ETFIQ. Source: each issuer\u2019s own site. Issuer What they publish Kind \n ARK ARK Invest articles Their research index \n iShares iShares Portfolio Insights Their research index \n Global X Global X Insights, including The Next Big Theme Their research index \n \n Where to next\n The largest genomics ETFs The cheapest genomics ETFs The genomics ETFs least like the S&P 500 The genomics ETFs that returned most The most concentrated genomics ETFs Every thematic ETF Compare two funds The vocabulary Sources\n Fund holdings from SEC Form N-PORT and from the issuers\u2019 own daily files SEC EDGAR, full-text search of fund filings SEC Form N-PORT, what a fund filed it holds Rule 19a-1, what a distribution notice must say Links are sources, not endorsements.\n ETFIQ is an independent publisher and makes no recommendations. Standards and sources \n Cite this page. ETFIQ, Genomics ETFs: what each one holds, data as of Oct 27, 2026. https://etfiq.com/themes/genomics Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, Genomics ETFs: what each one holds, data as of Oct 27, 2026. https://etfiq.com/themes/genomics APA ETFIQ. (Oct 27, 2026). Genomics ETFs: what each one holds. Retrieved from https://etfiq.com/themes/genomics Markdown [Genomics ETFs: what each one holds (ETFIQ, Oct 27, 2026)](https://etfiq.com/themes/genomics)","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, Genomics ETFs: what each one holds, data as of Oct 27, 2026. https://etfiq.com/themes/genomics"}