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Data as of .

BBP vs IBBQ: which is really different?

BBP and IBBQ hold 34% of their weight in the same names, and BBP returned more over the year.

Virtus Biotech ETF and Invesco Nasdaq Biotechnology ETF.

12.4%BBP in the S&P 500
38.6%IBBQ in the S&P 500
+47.5%BBP total return, 1 year
+44.6%IBBQ total return, 1 year

ETFIQ Off-Index Score: BBP scores higher

How much of it is not the index it is sold as an alternative to?

BBP 61.7IBBQ 61.70.1, the lowest in this set91.8, the highest

A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed

BBP88% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
12%88%inof its weight outside the S&P 500active share 99% · top ten 26% of the fund · 60 holdings filed Apr 30, 2026 · Nasdaq-100: 9% in12%88%inof its weight outside the S&P 500active share 99% · top ten 26% of the fund
IBBQ61% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
39%61%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 99% · top ten 45% of the fund · 256 holdings filed Sep 19, 2026 · Nasdaq-100: 33% in39%61%in the S&P 500outside the S&P 500active share 99% · top ten 45% of the fund

34% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, BBP and IBBQ hold 34% of their money in the same securities at the same weight.

Positions BBP and IBBQ both hold, largest shared weight first
HoldingBBPIBBQ
MODERNA INC2.50%4.10%
ROIVANT SCIENCES LTD2.07%1.92%
AMGEN INC1.75%8.05%
BIOGEN INC1.74%2.13%
GILEAD SCIENCES INC1.74%7.89%
INCYTE CORP1.60%1.68%
REGENERON PHARMACEUTICALS1.53%5.42%
VERTEX PHARMACEUTICALS INC1.52%7.98%
UNITED THERAPEUTICS CORP1.85%1.41%
ALNYLAM PHARMACEUTICALS INC1.25%2.14%
INSMED INC1.11%1.74%
NEUROCRINE BIOSCIENCES INC1.38%0.98%
Only in each
Only in BBPOnly in IBBQ
APELLIS PHARMACEUTICALS INC 2.60%Revolution Medicines Inc 2.72%
KALVISTA PHARMACEUTICALS INC 2.53%Illumina Inc 2.43%
TG THERAPEUTICS INC 1.73%Argenx SE 1.83%
CRINETICS PHARMACEUTICALS INC 1.23%Royalty Pharma PLC 1.74%
NUVATION BIO INC 0.85%Guardant Health Inc 1.59%
Viatris Inc 1.32%
Medpace Holdings Inc 1.17%
Jazz Pharmaceuticals PLC 1.01%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Sep 19, 2026.

Performance, window by window

BBP and IBBQ over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
BBPIBBQBBPIBBQBBPIBBQ
3 months+15.3%+15.8%+13.1 pts+13.6 pts+17.8 pts+18.3 pts
6 months+29.5%+24.9%+11.5 pts+6.9 pts+5.3 pts+0.7 pts
1 year+47.5%+44.6%+30.9 pts+28.0 pts+25.7 pts+22.8 pts
3 years+103.0%+76.7%+24.6 pts−1.7 pts+4.8 pts−21.5 pts
Since launch+304.4%+42.0%−56.6 pts−51.2 pts−371.1 pts−76.1 pts
Open the live comparison on ETFIQ
BBP and IBBQ on the same fields, as of Sep 18, 2026. Source: ETFIQ.
BBP
Virtus Biotech ETF
Holds 60 stocks in biotech, 12% of its weight in S&P 500 companies
IBBQ
Invesco Nasdaq Biotechnology ETF
Holds 256 stocks in biotech, 39% of its weight in S&P 500 companies
IssuerVirtusInvesco
ThemeBiotechBiotech
In the S&P 50012.4%38.6%
Active share vs the S&P 50099.0%99.0%
In the Nasdaq-1008.9%33.2%
Holdings60256
Top ten, share of the fund25.7%44.8%
Expense ratio0.34%0.19%
Fee for the differing part0.34%0.19%
Total return, 1 year+47.5%+44.6%
vs the S&P 500+30.9 pts+28.0 pts
vs the Nasdaq-100+25.7 pts+22.8 pts
Below its high−5.5%−5.8%
Net assets$59m$96m

BBP in plain words

By weight, 12% 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 26% of the fund across 60 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +47.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 30.9 pts. It sits 5.5% below its all-time high of Aug 19, 2026.

IBBQ in plain words

By weight, 39% of IBBQ'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 45% of the fund across 256 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +44.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 28.0 pts. It sits 5.8% below its all-time high of Aug 19, 2026.

Questions people ask

Do BBP and IBBQ hold the same stocks?
By their latest filings, 34% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, BBP or IBBQ?
BBP has 12% of its weight in S&P 500 names and IBBQ has 39%, so BBP differs more from the index.
Which is cheaper, BBP or IBBQ?
BBP charges 0.34% a year and IBBQ charges 0.19%, so IBBQ is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

BBP against IBBQ, ETFIQ, data as of Sep 18, 2026. Every figure is calculated from a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, BBP against IBBQ, data as of Sep 18, 2026. https://etfiq.com/compare/themes/bbp-vs-ibbq Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources