Do BBC and GNOM hold the same stocks?

By their latest filings, 6% 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 GNOM?

BBC has 0% of its weight in S&P 500 names and GNOM has 21%, so BBC differs more from the index.

Which is cheaper, BBC or GNOM?

BBC charges 0.65% a year and GNOM charges 0.50%, so GNOM is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

BBC vs GNOM: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, BBC returned +45.9% to GNOM's +66.6%; 6% of their weight is in the same names.

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Net assets: $46m on Jul 31, 2026 for Virtus Biotech Clinical Trials ETF, and $104m on Oct 12, 2026 for Global X Genomics & Biotechnology ETF.

BBC on its own →GNOM on its own →

At a glance

0.0%

BBC in the S&P 500

21.0%

GNOM in the S&P 500

+45.9%

BBC total return, 1 year

+66.6%

GNOM total return, 1 year

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.

GNOM · 1 year to Nov 4, 2026 79% of its weight is outside the S&P 500

21% of GNOM's weight is in S&P 500 companies and 79% is outside the index. Holdings as of Aug 31, 2026.

Pair scorecard

GNOM costs 0.15 points a year less; their one-year returns differ by 20.7 points.

BBC vs GNOM: Holdings Overlap & Returns
Measure	BBC	GNOM
Return
Measure	BBC	GNOM
Total return, 1 year	+45.9%	+66.6%
Drawdown
Measure	BBC	GNOM
Below its all-time high	27.4%, high on Feb 8, 2021	36.2%, high on Feb 8, 2021
Benchmark
Measure	BBC	GNOM
What it tracks	Biotech	Genomics and gene editing
Cost and size
Measure	BBC	GNOM
Expense ratio	0.65%	0.50%
Net assets, BBC as of Jul 31, 2026 and GNOM as of Oct 12, 2026	$46m	$104m
Holdings
Measure	BBC	GNOM
Holdings in common	6%

Method

What they share

By the books each fund has filed, BBC and GNOM hold 6% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.

50%

0 half 100%

half

6% in common

Positions both hold · largest shared weight first BBC GNOM

UNIQURE NV 1.06% 2.09%

PRAXIS PRECISION MEDICINES INC 0.77% 3.09%

VIR BIOTECHNOLOGY INC 0.67% 0.98%

STOKE THERAPEUTICS INC 0.65% 1.13%

INTELLIA THERAPEUTICS INC 0.59% 1.11%

WAVE LIFE SCIENCES LTD 0.63% 0.59%

BEAM THERAPEUTICS INC 0.59% 2.12%

REGENXBIO INC 0.97% 0.34%

ROCKET PHARMACEUTICALS INC 0.76% 0.30%

PRIME MEDICINE INC 0.70% 0.26%

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 GNOM

MODERNA, INC. 7.50%

Twist Bioscience Corporation 6.34%

10x Genomics, Inc. 5.48%

GUARDANT HEALTH, INC. 5.28%

ILLUMINA, INC. 4.87%

NATERA, INC. 4.61%

Genscript Biotech Corp 3.81%

VERTEX PHARMACEUTICALS INCORPORATED 3.70%

Check overlap with more funds →

Window by window

Window by window: BBC vs GNOM: Holdings Overlap & Returns
	Total return
Window	BBC	GNOM
3 months	−14.8%	+24.5%
6 months	−5.2%	+49.4%
1 year	+45.9%	+66.6%
3 years	+132.0%	+81.6%
Since launchNot the same days: BBC Dec 2014 · GNOM Apr 2019	+72.8%	+16.0%

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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 GNOM Global X Genomics & Biotechnology ETF · Holds 50 stocks in genomics and gene editing, 21% of its weight in S&P 500 companies

Issuer Virtus Global X

Theme Biotech Genomics and gene editing

In the S&P 500 0.0% 21.0%

Active share vs the S&P 500 100.0% 97.6%

In the Nasdaq-100 0.0% 5.3%

Holdings 131 50

Top ten, share of the fund 11.8% 48.8%

Expense ratio 0.65% 0.50%

Fee for the differing part 0.65% 0.51%

Total return, 1 year +45.9% +66.6%

vs its benchmark not measured not measured

Below its high −27.4% −36.2%

Net assets, BBC as of Jul 31, 2026 and GNOM as of Oct 12, 2026 $46m $104m

As of Nov 4, 2026. Source: ETFIQ.

6% 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.

GNOM

By weight, 21% of GNOM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 49% of the fund across 50 positions, as filed for Aug 31, 2026. Over the year to Nov 4, 2026 the fund returned +66.6% with distributions reinvested. It sits 36.2% below its all-time high of Feb 8, 2021.

Questions people ask

Do BBC and GNOM hold the same stocks?: By their latest filings, 6% 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 GNOM?: BBC has 0% of its weight in S&P 500 names and GNOM has 21%, so BBC differs more from the index.
Which is cheaper, BBC or GNOM?: BBC charges 0.65% a year and GNOM charges 0.50%, so GNOM is cheaper. Fees come from each fund's prospectus.

Other comparisons

BBC vs GNMX BBC vs IDNA BBC vs ARKG BBC vs PBE GNOM vs BBP GNOM vs IBBQ GNOM vs BBH GNOM 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 →GNOM on its own →BBC dividend history →BBC holdings →GNOM dividend history →GNOM holdings →Method →Standards and sources →

Sources and dates

BBC filings on SEC EDGAR ↗

BBC prospectus with the expense ratio (SEC) ↗

Virtus website ↗

GNOM filings on SEC EDGAR ↗

GNOM prospectus with the expense ratio (SEC) ↗

Global X page for GNOM ↗

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 GNOM, data as of Nov 4, 2026. https://etfiq.com/compare/themes/bbc-vs-gnom

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