Do BBC and GNMX hold the same stocks?

By their latest filings, 8% 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, BBC or GNMX?

BBC has 0% of its weight in S&P 500 names and GNMX has 31%, so BBC differs more from the index.

Which is cheaper, BBC or GNMX?

BBC charges 0.65% a year and GNMX charges 0.35%, so GNMX is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

BBC vs GNMX: Holdings Overlap & Returns

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BBC and GNMX hold 8% of their weight in the same names.

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Net assets: $46m on Jul 31, 2026 for Virtus Biotech Clinical Trials ETF, and $1.3m on Nov 4, 2026 for Corgi Genomics & Precision Medicine ETF.

BBC on its own →GNMX on its own →

At a glance

0.0%

BBC in the S&P 500

31.0%

GNMX in the S&P 500

+45.9%

BBC total return, 1 year

+48.3%

GNMX total return, 6 months

BBC · 1 year to Nov 4, 2026 100% of its weight is outside the S&P 500

0% of BBC's weight is in S&P 500 companies and 100% is outside the index. Holdings as of Jul 31, 2026.

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.

Pair scorecard

GNMX costs 0.30 points a year less.

BBC vs GNMX: Holdings Overlap & Returns
Measure	BBC	GNMX
Return
Measure	BBC	GNMX
Total return, 1 year	+45.9%	not published
Drawdown
Measure	BBC	GNMX
Below its all-time high	27.4%, high on Feb 8, 2021
Benchmark
Measure	BBC	GNMX
What it tracks	Biotech	Genomics and gene editing
Cost and size
Measure	BBC	GNMX
Expense ratio	0.65%	0.35%
Net assets, BBC as of Jul 31, 2026 and GNMX as of Nov 4, 2026	$46m	$1.3m
Holdings
Measure	BBC	GNMX
Holdings in common	8%

Method

What they share

By the books each fund has filed, BBC and GNMX hold 8% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Nov 4, 2026.

50%

0 half 100%

half

8% in common

Positions both hold · largest shared weight first BBC GNMX

RELAY THERAPEUTICS INC 0.85% 0.95%

IDEAYA BIOSCIENCES INC 0.82% 1.05%

UNIQURE NV 1.06% 0.82%

REVOLUTION MEDICINES INC 0.82% 3.24%

NURIX THERAPEUTICS INC 0.92% 0.75%

RECURSION PHARMACEUTICALS INC 0.64% 0.86%

GENERATE BIOMEDICINES INC 0.76% 0.62%

4D MOLECULAR THERAPEUTICS INC 0.77% 0.61%

INTELLIA THERAPEUTICS INC 0.59% 0.69%

BEAM THERAPEUTICS INC 0.59% 0.93%

PRIME MEDICINE INC 0.70% 0.57%

SOLID BIOSCIENCES INC 0.76% 0.43%

Only in one fund ↓

Only in BBC

FIRST TRACKS BIOTHERAPEUTICS INC 1.67%

MBX BIOSCIENCES INC 1.24%

ATAIBECKLEY INC 1.23%

MONOPAR THERAPEUTICS INC 1.21%

DEFINIUM THERAPEUTICS INC 1.18%

XENCOR INC 1.10%

ZENAS BIOPHARMA INC 1.06%

APOGEE THERAPEUTICS INC 1.02%

Only in GNMX

Moderna Inc 11.24%

Thermo Fisher Scientific Inc 8.88%

Vertex Pharmaceuticals Inc 6.04%

Genmab A/S 4.39%

Illumina Inc 3.92%

Guardant Health Inc 3.45%

10X Genomics Inc 2.87%

Incyte Corp 2.70%

Check overlap with more funds →

Window by window

Window by window: BBC vs GNMX: Holdings Overlap & Returns
	Total return
Window	BBC	GNMX
3 months	−14.8%	+24.3%
6 months	−5.2%	+48.3%
1 year	+45.9%	–
3 years	+132.0%	–
Since launchNot the same days: BBC Dec 2014 · GNMX May 2026	+72.8%	+48.3%

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Side by side

BBC Virtus Biotech Clinical Trials ETF · Holds 131 stocks in biotech, 0% 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 Virtus Corgi

Theme Biotech Genomics and gene editing

In the S&P 500 0.0% 31.0%

Active share vs the S&P 500 100.0% 99.4%

In the Nasdaq-100 0.0% 7.7%

Holdings 131 57

Top ten, share of the fund 11.8% 49.2%

Expense ratio 0.65% 0.35%

Fee for the differing part 0.65% 0.35%

Total return, 1 year +45.9% +48.3% (since launch, May 6, 2026)

vs its benchmark not measured not measured

Below its high −27.4% −4.2%

Net assets, BBC as of Jul 31, 2026 and GNMX as of Nov 4, 2026 $46m $1.3m

As of Nov 4, 2026. Source: ETFIQ.

8% of the two portfolios are the same securities at the same weight.

Alert

About each fund

BBC

By weight, 0% of BBC's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 12% of the fund across 131 positions, as filed for Jul 31, 2026. Over the year to Nov 4, 2026 the fund returned +45.9% with distributions reinvested. It sits 27.4% below its all-time high of Feb 8, 2021.

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 BBC and GNMX hold the same stocks?: By their latest filings, 8% 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, BBC or GNMX?: BBC has 0% of its weight in S&P 500 names and GNMX has 31%, so BBC differs more from the index.
Which is cheaper, BBC or GNMX?: BBC charges 0.65% a year and GNMX charges 0.35%, so GNMX is cheaper. Fees come from each fund's prospectus.

Other comparisons

BBC vs GNOM BBC vs IDNA BBC vs ARKG BBC vs BBP GNMX vs BBP GNMX vs IBBQ GNMX vs BBH GNMX vs FBT

Where to next

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

Sources and dates

BBC filings on SEC EDGAR ↗

BBC prospectus with the expense ratio (SEC) ↗

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

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