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Data as of .

BBC vs BBP: which is really different?

BBC and BBP hold 0% of their weight in the same names, and BBC returned more over the year.

Virtus Biotech Clinical Trials ETF and Virtus Biotech ETF.

0.0%BBC in the S&P 500
12.4%BBP in the S&P 500
+95.6%BBC total return, 1 year
+47.5%BBP total return, 1 year

ETFIQ Off-Index Score: BBC scores higher

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

BBC 91.8BBP 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

BBC100% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
0%100%0% of its weight in S&P 500 companiesof its weight outside the S&P 500active share 100% · top ten 16% of the fund · 124 holdings filed Apr 30, 2026 · Nasdaq-100: 0% in0%100%0% of its weight in S&P 500 companiesof its weight outside the S&P 500active share 100% · top ten 16% of the fund
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

0% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, BBC and BBP hold 0% of their money in the same securities at the same weight.

Only in each
Only in BBCOnly in BBP
ERASCA INC 2.19%IMMUNITYBIO INC 4.83%
ENLIVEN THERAPEUTICS INC 1.81%APELLIS PHARMACEUTICALS INC 2.60%
TANGO THERAPEUTICS INC 1.71%KALVISTA PHARMACEUTICALS INC 2.53%
ORUKA THERAPEUTICS INC 1.68%MODERNA INC 2.50%
SPYRE THERAPEUTICS INC 1.64%IOVANCE BIOTHERAPEUTICS INC 2.45%
ALUMIS INC 1.59%MIRUM PHARMACEUTICALS INC 2.40%
DIANTHUS THERAPEUTICS INC 1.54%AXSOME THERAPEUTICS INC 2.25%
KODIAK SCIENCES INC 1.35%KINIKSA PHARMACEUTICALS INTERNATIONAL PL 2.07%

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.

Performance, window by window

BBC and BBP over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
BBCBBPBBCBBPBBCBBP
3 months+6.9%+15.3%+4.7 pts+13.1 pts+9.4 pts+17.8 pts
6 months+22.7%+29.5%+4.7 pts+11.5 pts−1.5 pts+5.3 pts
1 year+95.6%+47.5%+79.0 pts+30.9 pts+73.8 pts+25.7 pts
3 years+143.8%+103.0%+65.3 pts+24.6 pts+45.6 pts+4.8 pts
Since launch+92.6%+304.4%−268.5 pts−56.6 pts−583.0 pts−371.1 pts
Open the live comparison on ETFIQ
BBC and BBP on the same fields, as of Sep 18, 2026. Source: ETFIQ.
BBC
Virtus Biotech Clinical Trials ETF
Holds 124 stocks in biotech, 0% of its weight in S&P 500 companies
BBP
Virtus Biotech ETF
Holds 60 stocks in biotech, 12% of its weight in S&P 500 companies
IssuerVirtusVirtus
ThemeBiotechBiotech
In the S&P 5000.0%12.4%
Active share vs the S&P 500100.0%99.0%
In the Nasdaq-1000.0%8.9%
Holdings12460
Top ten, share of the fund16.2%25.7%
Expense ratio0.65%0.34%
Fee for the differing part0.65%0.34%
Total return, 1 year+95.6%+47.5%
vs the S&P 500+79.0 pts+30.9 pts
vs the Nasdaq-100+73.8 pts+25.7 pts
Below its high−19.1%−5.5%
Net assets$37m$59m

BBC in plain words

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 16% of the fund across 124 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +95.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 79.0 pts. It sits 19.1% below its all-time high of Feb 8, 2021.

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.

Questions people ask

Do BBC and BBP hold the same stocks?
By their latest filings, 0% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, BBC or BBP?
BBC has 0% of its weight in S&P 500 names and BBP has 12%, so BBC differs more from the index.
Which is cheaper, BBC or BBP?
BBC charges 0.65% a year and BBP charges 0.34%, so BBP 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.

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

How every figure is computed · Standards and sources