Do BBP and IDNA hold the same stocks?

By their latest filings, 17% 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, BBP or IDNA?

BBP has 10% of its weight in S&P 500 names and IDNA has 27%, so IDNA differs more from the index.

Which is cheaper, BBP or IDNA?

BBP charges 0.34% a year and IDNA charges 0.47%, so BBP is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

BBP vs IDNA: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, BBP returned +44.4% to IDNA's +81.1%; 17% of their weight is in the same names.

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Net assets: $99m on Jul 31, 2026 for Virtus Biotech ETF, and $340m on Nov 3, 2026 for iShares Genomics Immunology and Healthcare ETF.

BBP on its own →IDNA on its own →

At a glance

10.5%

BBP in the S&P 500

27.4%

IDNA in the S&P 500

+44.4%

BBP total return, 1 year

+81.1%

IDNA total return, 1 year

BBP · 1 year to Nov 4, 2026 90% of its weight is outside the S&P 500

11% of BBP's weight is in S&P 500 companies and 90% is outside the index. Holdings as of Jul 31, 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

BBP costs 0.13 points a year less; their one-year returns differ by 36.7 points.

BBP vs IDNA: Holdings Overlap & Returns
Measure	BBP	IDNA
Return
Measure	BBP	IDNA
Total return, 1 year	+44.4%	+81.1%
Drawdown
Measure	BBP	IDNA
Below its all-time high		16.5%, high on Sep 2, 2021
Benchmark
Measure	BBP	IDNA
What it tracks	Biotech	Genomics and gene editing
Cost and size
Measure	BBP	IDNA
Expense ratio	0.34%	0.47%
Net assets, BBP as of Jul 31, 2026 and IDNA as of Nov 3, 2026	$99m	$340m
Holdings
Measure	BBP	IDNA
Holdings in common	17%

Method

What they share

17%

By the books each fund has filed, BBP and IDNA hold 17% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Nov 3, 2026.

50%

0 half 100%

half

17% in common

Positions both hold · largest shared weight first BBP IDNA

REGENERON PHARMACEUTICALS 1.72% 4.24%

INCYTE CORP 1.52% 3.18%

MODERNA INC 1.51% 13.33%

VERTEX PHARMACEUTICALS INC 1.48% 3.29%

IMMUNITYBIO INC 1.39% 2.71%

BIONTECH SE 1.38% 2.73%

EXELIXIS INC 1.38% 3.80%

IOVANCE BIOTHERAPEUTICS INC 1.37% 2.98%

CRISPR THERAPEUTICS AG 1.33% 1.24%

NOVAVAX INC 1.14% 1.32%

NUVATION BIO INC 1.77% 1.01%

RIGEL PHARMACEUTICALS INC 1.54% 0.76%

Only in one fund ↓

Only in BBP

CRINETICS PHARMACEUTICALS INC 3.34%

KINIKSA PHARMACEUTICALS INTERNATIONAL PLC 1.97%

PRECIGEN INC 1.94%

OMEROS CORP 1.87%

PROTAGONIST THERAPEUTICS INC 1.71%

ACADIA PHARMACEUTICALS INC 1.69%

BRIDGEBIO PHARMA INC 1.65%

BEONE MEDICINES LTD 1.65%

Only in IDNA

GENMAB 6.26%

TWIST BIOSCIENCE 5.61%

BAYER AG 3.85%

TAKEDA PHARMACEUTICAL 3.77%

REVOLUTION MEDICINES 3.60%

CARIS LIFE SCIENCES 3.50%

MERCK & CO INC 3.32%

ROCHE PS PAR AG 3.20%

Check overlap with more funds →

Window by window

Window by window: BBP vs IDNA: Holdings Overlap & Returns
	Total return
Window	BBP	IDNA
3 months	+8.8%	+32.4%
6 months	+16.6%	+45.6%
1 year	+44.4%	+81.1%
3 years	+113.7%	+134.8%
Since launchNot the same days: BBP Dec 2014 · IDNA Jun 2019	+310.5%	+88.1%

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Side by side

BBP Virtus Biotech ETF · Holds 67 stocks in biotech, 10% 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 Virtus iShares

Theme Biotech Genomics and gene editing

In the S&P 500 10.5% 27.4%

Active share vs the S&P 500 99.0% 99.1%

In the Nasdaq-100 7.1% 7.5%

Holdings 67 52

Top ten, share of the fund 19.6% 51.3%

Expense ratio 0.34% 0.47%

Fee for the differing part 0.34% 0.47%

Total return, 1 year +44.4% +81.1%

vs its benchmark not measured not measured

Below its high −4.1% −16.5%

Net assets, BBP as of Jul 31, 2026 and IDNA as of Nov 3, 2026 $99m $340m

As of Nov 4, 2026. Source: ETFIQ.

17% of the two portfolios are the same securities at the same weight.

Alert

About each fund

BBP

By weight, 10% of BBP'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 20% of the fund across 67 positions, as filed for Jul 31, 2026. Over the year to Nov 4, 2026 the fund returned +44.4% 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 BBP and IDNA hold the same stocks?: By their latest filings, 17% 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, BBP or IDNA?: BBP has 10% of its weight in S&P 500 names and IDNA has 27%, so IDNA differs more from the index.
Which is cheaper, BBP or IDNA?: BBP charges 0.34% a year and IDNA charges 0.47%, so BBP is cheaper. Fees come from each fund's prospectus.

Other comparisons

BBP vs GNOM BBP vs GNMX BBP vs ARKG BBP vs IBBQ IDNA vs XBI IDNA vs IBB IDNA vs IBBQ IDNA vs PBE

Where to next

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

Sources and dates

BBP filings on SEC EDGAR ↗

BBP prospectus with the expense ratio (SEC) ↗

Virtus 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, BBP against IDNA, data as of Nov 4, 2026. https://etfiq.com/compare/themes/bbp-vs-idna

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