Data as of .
ARKG vs BBC: which is really different?
ARKG and BBC hold 5% of their weight in the same names, and BBC returned more over the year.
ETFIQ Off-Index Score: BBC scores higher
How much of it is not the index it is sold as an alternative to?
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
5% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, ARKG and BBC hold 5% of their money in the same securities at the same weight.
| Holding | ARKG | BBC |
|---|---|---|
| INTELLIA THERAPEUTICS INC | 1.51% | 1.11% |
| COMPASS PATHWAYS PLC | 3.22% | 0.99% |
| BEAM THERAPEUTICS INC | 2.91% | 0.82% |
| NURIX THERAPEUTICS INC | 2.06% | 0.65% |
| PRIME MEDICINE INC | 1.13% | 0.64% |
| RECURSION PHARMACEUTICALS-A | 2.32% | 0.59% |
| Only in ARKG | Only in BBC |
|---|---|
| 10X GENOMICS INC-CLASS A 9.46% | ERASCA INC 2.19% |
| TEMPUS AI INC-CL A 9.23% | ENLIVEN THERAPEUTICS INC 1.81% |
| TWIST BIOSCIENCE CORP 9.00% | TANGO THERAPEUTICS INC 1.71% |
| CRISPR THERAPEUTICS AG 5.72% | ORUKA THERAPEUTICS INC 1.68% |
| PERSONALIS INC 5.13% | SPYRE THERAPEUTICS INC 1.64% |
| GUARDANT HEALTH INC 4.99% | ALUMIS INC 1.59% |
| ABSCI CORP 4.59% | DIANTHUS THERAPEUTICS INC 1.54% |
| ILLUMINA INC 4.24% | KODIAK SCIENCES INC 1.35% |
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 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKG | BBC | ARKG | BBC | ARKG | BBC | |
| 3 months | +40.1% | +6.9% | +37.9 pts | +4.7 pts | +42.6 pts | +9.4 pts |
| 6 months | +98.2% | +22.7% | +80.2 pts | +4.7 pts | +74.0 pts | −1.5 pts |
| 1 year | +87.1% | +95.6% | +70.6 pts | +79.0 pts | +65.4 pts | +73.8 pts |
| 3 years | +74.8% | +143.8% | −3.6 pts | +65.3 pts | −23.4 pts | +45.6 pts |
| Since launch | +174.6% | +92.6% | −186.8 pts | −268.5 pts | −504.0 pts | −583.0 pts |
| ARKG ARK Genomic Revolution ETF Holds 33 stocks in genomics and gene editing, 4% of its weight in S&P 500 companies | BBC Virtus Biotech Clinical Trials ETF Holds 124 stocks in biotech, 0% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | Virtus |
| Theme | Genomics and gene editing | Biotech |
| In the S&P 500 | 3.5% | 0.0% |
| Active share vs the S&P 500 | 98.5% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 33 | 124 |
| Top ten, share of the fund | 60.4% | 16.2% |
| Expense ratio | 0.75% | 0.65% |
| Fee for the differing part | 0.76% | 0.65% |
| Total return, 1 year | +87.1% | +95.6% |
| vs the S&P 500 | +70.6 pts | +79.0 pts |
| vs the Nasdaq-100 | +65.4 pts | +73.8 pts |
| Below its high | −53.8% | −19.1% |
| Net assets | $2.2bn | $37m |
ARKG in plain words
By weight, 4% of ARKG'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 60% of the fund across 33 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +87.1% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 70.6 pts. It sits 53.8% below its all-time high of Jan 20, 2021.
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.
Questions people ask
- Do ARKG and BBC hold the same stocks?
- By their latest filings, 5% 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, ARKG or BBC?
- ARKG has 4% of its weight in S&P 500 names and BBC has 0%, so BBC differs more from the index.
- Which is cheaper, ARKG or BBC?
- ARKG charges 0.75% a year and BBC charges 0.65%, so BBC 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.
Cite this page. ETFIQ, ARKG against BBC, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkg-vs-bbc Free to use with attribution; the underlying files are at Open data.