Data as of .
ARKG vs BBH: which is really different?
ARKG and BBH hold 9% of their weight in the same names, and ARKG returned more over the year.
ETFIQ Off-Index Score: BBH 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
9% 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 BBH hold 9% of their money in the same securities at the same weight.
| Holding | ARKG | BBH |
|---|---|---|
| NATERA INC | 4.25% | 4.97% |
| ILLUMINA INC | 4.13% | 3.68% |
| GUARDANT HEALTH INC | 4.87% | 3.15% |
| TEMPUS AI INC-CL A | 8.92% | 1.10% |
| Only in ARKG | Only in BBH |
|---|---|
| TWIST BIOSCIENCE CORP 9.63% | Amgen Inc 15.03% |
| 10X GENOMICS INC-CLASS A 9.39% | Gilead Sciences Inc 13.81% |
| CRISPR THERAPEUTICS AG 5.63% | Vertex Pharmaceuticals Inc 8.32% |
| PERSONALIS INC 5.16% | Regeneron Pharmaceuticals Inc 7.00% |
| ABSCI CORP 4.76% | Moderna Inc 5.05% |
| CAREDX INC 3.78% | Argenx Se 4.93% |
| ELI LILLY & CO 3.51% | Iqvia Holdings Inc 4.61% |
| COMPASS PATHWAYS PLC 3.25% | Revolution Medicines Inc 4.09% |
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 Sep 18, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKG | BBH | ARKG | BBH | ARKG | BBH | |
| 3 months | +40.1% | +24.8% | +37.9 pts | +22.5 pts | +42.6 pts | +27.3 pts |
| 6 months | +98.2% | +29.0% | +80.2 pts | +11.0 pts | +74.0 pts | +4.8 pts |
| 1 year | +87.1% | +40.5% | +70.6 pts | +23.9 pts | +65.4 pts | +18.7 pts |
| 3 years | +74.8% | +48.9% | −3.6 pts | −29.5 pts | −23.4 pts | −49.3 pts |
| Since launch | +174.6% | +732.7% | −186.8 pts | −70.8 pts | −504.0 pts | −957.5 pts |
| ARKG ARK Genomic Revolution ETF Holds 33 stocks in genomics and gene editing, 4% of its weight in S&P 500 companies | BBH VanEck Biotech ETF Holds 24 stocks in biotech, 60% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | VanEck |
| Theme | Genomics and gene editing | Biotech |
| In the S&P 500 | 3.5% | 60.4% |
| Active share vs the S&P 500 | 98.5% | 99.0% |
| In the Nasdaq-100 | 0.0% | 47.2% |
| Holdings | 33 | 24 |
| Top ten, share of the fund | 60.4% | 72.4% |
| Expense ratio | 0.75% | 0.35% |
| Fee for the differing part | 0.76% | 0.35% |
| Total return, 1 year | +87.1% | +40.5% |
| vs the S&P 500 | +70.6 pts | +23.9 pts |
| vs the Nasdaq-100 | +65.4 pts | +18.7 pts |
| Below its high | −53.8% | −4.0% |
| Net assets | $2.2bn | $470m |
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 21, 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.
BBH in plain words
By weight, 60% of BBH'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 72% of the fund across 24 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +40.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 23.9 pts.
Questions people ask
- Do ARKG and BBH hold the same stocks?
- By their latest filings, 9% 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 BBH?
- ARKG has 4% of its weight in S&P 500 names and BBH has 60%, so BBH differs more from the index.
- Which is cheaper, ARKG or BBH?
- ARKG charges 0.75% a year and BBH charges 0.35%, so BBH 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 BBH, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkg-vs-bbh Free to use with attribution; the underlying files are at Open data.