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Data as of Nov 4, 2026.

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Thematic ETFs

BBH vs GNMX: Holdings Overlap & Returns

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BBH and GNMX hold 30% of their weight in the same names.

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Net assets: $525m on Nov 3, 2026 for VanEck Biotech ETF, and $1.3m on Nov 4, 2026 for Corgi Genomics & Precision Medicine ETF.

BBH on its own →GNMX on its own →
At a glance
64.4%
BBH in the S&P 500
31.0%
GNMX in the S&P 500
+47.2%
BBH total return, 1 year
+48.3%
GNMX total return, 6 months
BBH · 1 year to Nov 4, 2026 36% of its weight is outside the S&P 500
36% of its weight is outside the S&P 50064% of BBH's weight is in S&P 500 companies and 36% is outside the index. Holdings as of Nov 2, 2026.64%36%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 99% · top ten 74% of the fund · 25 holdings as published by its issuer for Nov 2, 2026 · Nasdaq-100: 49% in36% of its weight is outside the S&P 50064% of BBH's weight is in S&P 500 companies and 36% is outside the index. Holdings as of Nov 2, 2026.64%36%in the S&P 500outsideactive share 99% · Nasdaq-100: 49% in

64% of BBH's weight is in S&P 500 companies and 36% is outside the index. Holdings as of Nov 2, 2026.

GNMX · 6 months to Nov 4, 2026 69% of its weight is outside the S&P 500
69% of its weight is outside the S&P 50031% of GNMX's weight is in S&P 500 companies and 69% is outside the index. Holdings as of Nov 4, 2026.31%69%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 99% · top ten 49% of the fund · 57 holdings as published by its issuer for Nov 4, 2026 · Nasdaq-100: 8% in69% of its weight is outside the S&P 50031% of GNMX's weight is in S&P 500 companies and 69% is outside the index. Holdings as of Nov 4, 2026.31%69%inoutside the S&P 500active share 99% · Nasdaq-100: 8% in

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

Pair scorecard

Both cost 0.35% a year; BBH is far larger, $525m against $1.3m.

BBH vs GNMX: Holdings Overlap & Returns
MeasureBBHGNMX
Return
Total return, 1 year+47.2%not published
Benchmark
What it tracksBiotechGenomics and gene editing
Cost and size
Expense ratio0.35%0.35%
Net assets, as of Nov 3, 2026$525m$1.3m
Holdings
Holdings in common30%

Method

What they share

30%

By the books each fund has filed, BBH and GNMX hold 30% of their money in the same securities at the same weight. Holdings dated Nov 3, 2026 and Nov 4, 2026.

0 half 100%

half

30% in common

Positions both hold · largest shared weight first BBH GNMX
Moderna Inc 6.88% 11.24%
Vertex Pharmaceuticals Inc 7.98% 6.04%
Illumina Inc 3.37% 3.92%
Revolution Medicines Inc 3.82% 3.24%
Guardant Health Inc 2.83% 3.45%
Incyte Corp 2.07% 2.70%
Alnylam Pharmaceuticals Inc 1.68% 1.69%
Bio-Techne Corp 1.12% 2.10%
Qiagen Nv 1.02% 2.08%
Tempus Ai Inc 1.01% 1.86%
Biomarin Pharmaceutical Inc 1.00% 1.89%
Only in one fund ↓
Only in BBH
Amgen Inc 16.53%
Gilead Sciences Inc 14.17%
Regeneron Pharmaceuticals Inc 7.99%
Natera Inc 4.44%
Iqvia Holdings Inc 4.18%
Argenx Se 4.13%
Biogen Inc 2.88%
Beone Medicines Ltd 2.56%
Only in GNMX
Thermo Fisher Scientific Inc 8.88%
Genmab A/S 4.39%
10X Genomics Inc 2.87%
CareDx Inc 2.43%
Twist Bioscience Corp 2.32%
GRAIL Inc 2.26%
Iovance Biotherapeutics Inc 1.86%
Adaptive Biotechnologies Corp 1.65%
Check overlap with more funds →

Window by window

Window by window: BBH vs GNMX: Holdings Overlap & Returns
Total return
WindowBBHGNMX
3 months+24.3%+24.3%
6 months+38.3%+48.3%
1 year+47.2%–
3 years+75.4%–
Since launchNot the same days: BBH Dec 2011 · GNMX May 2026+680.5%+48.3%

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Side by side

BBH VanEck Biotech ETF · Holds 25 stocks in biotech, 64% of its weight in S&P 500 companies GNMX Corgi Genomics & Precision Medicine ETF · Holds 57 stocks in genomics and gene editing, 31% of its weight in S&P 500 companies
Issuer VanEck Corgi
Theme Biotech Genomics and gene editing
In the S&P 500 64.4% 31.0%
Active share vs the S&P 500 99.0% 99.4%
In the Nasdaq-100 49.1% 7.7%
Holdings 25 57
Top ten, share of the fund 73.5% 49.2%
Expense ratio 0.35% 0.35%
Fee for the differing part 0.35% 0.35%
Total return, 1 year +47.2% +48.3% (since launch, May 6, 2026)
vs its benchmark not measured not measured
Below its high 0.0% −4.2%
Net assets, BBH as of Nov 3, 2026 and GNMX as of Nov 4, 2026 $525m $1.3m

As of Nov 4, 2026. Source: ETFIQ.

30% of the two portfolios are the same securities at the same weight.

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About each fund
BBH

By weight, 64% of BBH'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 74% of the fund across 25 positions, as published by its issuer for Nov 3, 2026. Over the year to Nov 4, 2026 the fund returned +47.2% with distributions reinvested.

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.

Questions people ask

Do BBH and GNMX hold the same stocks?
By their latest filings, 30% 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, BBH or GNMX?
BBH has 64% of its weight in S&P 500 names and GNMX has 31%, so GNMX differs more from the index.
Which is cheaper, BBH or GNMX?
BBH and GNMX both charge 0.35% a year, so neither is cheaper. Fees come from each fund's prospectus.
Other comparisons
BBH vs IDNABBH vs GNOMBBH vs ARKGBBH vs BBPGNMX vs PBPHGNMX vs FBTGNMX vs XBIGNMX vs IBB
Where to next
All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →BBH on its own →GNMX on its own →BBH dividend history →BBH holdings →GNMX holdings →Method →Standards and sources →
Sources and dates
BBH filings on SEC EDGAR ↗
BBH prospectus with the expense ratio (SEC) ↗
VanEck website ↗
GNMX filings on SEC EDGAR ↗
GNMX prospectus with the expense ratio (SEC) ↗
Corgi website ↗

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

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