Do GNMX and IDNA hold the same stocks?

By their latest filings, 35% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, GNMX or IDNA?

GNMX has 31% of its weight in S&P 500 names and IDNA has 27%, so GNMX differs more from the index.

Which is cheaper, GNMX or IDNA?

GNMX charges 0.35% a year and IDNA charges 0.47%, so GNMX is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

GNMX vs IDNA: Holdings Overlap & Returns

Share on X Download as PDF

GNMX and IDNA hold 35% of their weight in the same names.

askIQ about this page

askIQ about GNMX and IDNA

Net assets: $1.3m on Nov 4, 2026 for Corgi Genomics & Precision Medicine ETF, and $340m on Nov 3, 2026 for iShares Genomics Immunology and Healthcare ETF.

GNMX on its own →IDNA on its own →

At a glance

31.0%

GNMX in the S&P 500

27.4%

IDNA in the S&P 500

+48.3%

GNMX total return, 6 months

+81.1%

IDNA total return, 1 year

GNMX · 6 months to Nov 4, 2026 69% of its weight is outside the S&P 500

31% of GNMX's weight is in S&P 500 companies and 69% is outside the index. Holdings as of Nov 4, 2026.

IDNA · 1 year to Nov 4, 2026 73% of its weight is outside the S&P 500

27% of IDNA's weight is in S&P 500 companies and 73% is outside the index. Holdings as of Nov 3, 2026.

Pair scorecard

GNMX costs 0.12 points a year less; IDNA is far larger, $354m against $1.3m.

GNMX vs IDNA: Holdings Overlap & Returns
Measure	GNMX	IDNA
Return
Measure	GNMX	IDNA
Total return, 1 year	not published	+81.1%
Drawdown
Measure	GNMX	IDNA
Below its all-time high		16.5%, high on Sep 2, 2021
Benchmark
Measure	GNMX	IDNA
What it tracks	Genomics and gene editing	Genomics and gene editing
Cost and size
Measure	GNMX	IDNA
Expense ratio	0.35%	0.47%
Net assets	$1.3m	$354m
Holdings
Measure	GNMX	IDNA
Holdings in common	35%

Method

What they share

35%

By the books each fund has filed, GNMX and IDNA hold 35% of their money in the same securities at the same weight. Holdings dated Nov 3, 2026 and Nov 4, 2026.

50%

0 half 100%

half

35% in common

Positions both hold · largest shared weight first GNMX IDNA

Moderna Inc 11.24% 13.33%

Genmab A/S 4.39% 6.26%

Vertex Pharmaceuticals Inc 6.04% 3.29%

Revolution Medicines Inc 3.24% 3.60%

Incyte Corp 2.70% 3.18%

Twist Bioscience Corp 2.32% 5.61%

Iovance Biotherapeutics Inc 1.86% 2.98%

Caris Life Sciences Inc 1.39% 3.50%

CRISPR Therapeutics AG 1.28% 1.24%

Ideaya Biosciences Inc 1.05% 2.26%

Personalis Inc 1.18% 0.85%

Pacific Biosciences of California Inc 0.71% 0.61%

Only in one fund ↓

Only in GNMX

Thermo Fisher Scientific Inc 8.88%

Illumina Inc 3.92%

Guardant Health Inc 3.45%

10X Genomics Inc 2.87%

CareDx Inc 2.43%

GRAIL Inc 2.26%

Bio-Techne Corp 2.10%

QIAGEN NV 2.08%

Only in IDNA

REGENERON PHARMACEUTICALS 4.24%

BAYER AG 3.85%

EXELIXIS INC 3.80%

TAKEDA PHARMACEUTICAL 3.77%

MERCK & CO INC 3.32%

ROCHE PS PAR AG 3.20%

SANOFI SA 2.79%

BIONTECH SE ADR 2.73%

Check overlap with more funds →

Window by window

Window by window: GNMX vs IDNA: Holdings Overlap & Returns
	Total return
Window	GNMX	IDNA
3 months	+24.3%	+32.4%
6 months	+48.3%	+45.6%
1 year	–	+81.1%
3 years	–	+134.8%
Since launchNot the same days: GNMX May 2026 · IDNA Jun 2019	+48.3%	+88.1%

– means no data for this window. Open this comparison in the app →

Side by side

GNMX Corgi Genomics & Precision Medicine ETF · Holds 57 stocks in genomics and gene editing, 31% of its weight in S&P 500 companies IDNA iShares Genomics Immunology and Healthcare ETF · Holds 52 stocks in genomics and gene editing, 27% of its weight in S&P 500 companies

Issuer Corgi iShares

Theme Genomics and gene editing Genomics and gene editing

In the S&P 500 31.0% 27.4%

Active share vs the S&P 500 99.4% 99.1%

In the Nasdaq-100 7.7% 7.5%

Holdings 57 52

Top ten, share of the fund 49.2% 51.3%

Expense ratio 0.35% 0.47%

Fee for the differing part 0.35% 0.47%

Total return, 1 year +48.3% (since launch, May 6, 2026) +81.1%

vs its benchmark not measured not measured

Below its high −4.2% −16.5%

Net assets, GNMX as of Nov 4, 2026 and IDNA as of Nov 3, 2026 $1.3m $340m

As of Nov 4, 2026. Source: ETFIQ.

35% of the two portfolios are the same securities at the same weight.

Alert

About each fund

GNMX

By weight, 31% of GNMX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 49% of the fund across 57 positions, as published by its issuer for Nov 4, 2026. Since it first traded on May 6, 2026 the fund returned +48.3% with distributions reinvested.

IDNA

By weight, 27% of IDNA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 51% of the fund across 52 positions, as published by its issuer for Nov 3, 2026. Over the year to Nov 4, 2026 the fund returned +81.1% with distributions reinvested. It sits 16.5% below its all-time high of Sep 2, 2021.

Questions people ask

Do GNMX and IDNA hold the same stocks?: By their latest filings, 35% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, GNMX or IDNA?: GNMX has 31% of its weight in S&P 500 names and IDNA has 27%, so GNMX differs more from the index.
Which is cheaper, GNMX or IDNA?: GNMX charges 0.35% a year and IDNA charges 0.47%, so GNMX is cheaper. Fees come from each fund's prospectus.

Other comparisons

GNMX vs GNOM GNMX vs ARKG GNMX vs IBBQ GNMX vs IBB IDNA vs ARKG IDNA vs GNOM IDNA vs BBC IDNA vs PBE

Where to next

All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →GNMX on its own →IDNA on its own →GNMX holdings →IDNA dividend history →IDNA holdings →Method →Standards and sources →

Sources and dates

GNMX filings on SEC EDGAR ↗

GNMX prospectus with the expense ratio (SEC) ↗

Corgi website ↗

IDNA filings on SEC EDGAR ↗

IDNA prospectus with the expense ratio (SEC) ↗

iShares page for IDNA ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, GNMX against IDNA, data as of Nov 4, 2026. https://etfiq.com/compare/themes/gnmx-vs-idna

Open data →

Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.