Data as of .
BBP vs GNOM: which is really different?
BBP and GNOM hold 16% of their weight in the same names, and GNOM returned more over the year.
ETFIQ Off-Index Score: BBP 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
16% 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 GNOM hold 16% of their money in the same securities at the same weight.
| Holding | BBP | GNOM |
|---|---|---|
| MODERNA INC | 2.50% | 7.99% |
| BIONTECH SE | 1.75% | 2.55% |
| LEGEND BIOTECH CORP | 1.69% | 1.96% |
| ARROWHEAD PHARMACEUTICALS INC | 1.68% | 2.59% |
| GILEAD SCIENCES INC | 1.74% | 1.63% |
| BIOMARIN PHARMACEUTICAL INC | 1.62% | 3.41% |
| VERTEX PHARMACEUTICALS INC | 1.52% | 3.35% |
| SAREPTA THERAPEUTICS INC | 1.55% | 1.51% |
| CRISPR THERAPEUTICS AG | 1.48% | 2.89% |
| ULTRAGENYX PHARMACEUTICAL IN | 1.09% | 1.02% |
| Only in BBP | Only in GNOM |
|---|---|
| IMMUNITYBIO INC 4.83% | TWIST BIOSCIENCE CORP 7.40% |
| APELLIS PHARMACEUTICALS INC 2.60% | 10X GENOMICS INC-CLASS A 6.53% |
| KALVISTA PHARMACEUTICALS INC 2.53% | GUARDANT HEALTH INC 5.78% |
| IOVANCE BIOTHERAPEUTICS INC 2.45% | ILLUMINA INC 5.30% |
| MIRUM PHARMACEUTICALS INC 2.40% | NATERA INC 5.13% |
| AXSOME THERAPEUTICS INC 2.25% | GENSCRIPT BIOTECH CORP 4.29% |
| KINIKSA PHARMACEUTICALS INTERNATIONAL PL 2.07% | BIO-TECHNE CORP 3.56% |
| ROIVANT SCIENCES LTD 2.07% | QIAGEN N.V. 3.13% |
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 | |||
|---|---|---|---|---|---|---|
| BBP | GNOM | BBP | GNOM | BBP | GNOM | |
| 3 months | +15.3% | +27.6% | +13.1 pts | +25.4 pts | +17.8 pts | +30.1 pts |
| 6 months | +29.5% | +56.4% | +11.5 pts | +38.4 pts | +5.3 pts | +32.2 pts |
| 1 year | +47.5% | +77.5% | +30.9 pts | +60.9 pts | +25.7 pts | +55.7 pts |
| 3 years | +103.0% | +59.3% | +24.6 pts | −19.1 pts | +4.8 pts | −38.9 pts |
| Since launch | +304.4% | +9.8% | −56.6 pts | −185.2 pts | −371.1 pts | −297.4 pts |
| BBP Virtus Biotech ETF Holds 60 stocks in biotech, 12% of its weight in S&P 500 companies | GNOM Global X Genomics & Biotechnology ETF Holds 52 stocks in genomics and gene editing, 21% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Virtus | Global X |
| Theme | Biotech | Genomics and gene editing |
| In the S&P 500 | 12.4% | 20.9% |
| Active share vs the S&P 500 | 99.0% | 97.6% |
| In the Nasdaq-100 | 8.9% | 5.0% |
| Holdings | 60 | 52 |
| Top ten, share of the fund | 25.7% | 52.7% |
| Expense ratio | 0.34% | 0.50% |
| Fee for the differing part | 0.34% | 0.51% |
| Total return, 1 year | +47.5% | +77.5% |
| vs the S&P 500 | +30.9 pts | +60.9 pts |
| vs the Nasdaq-100 | +25.7 pts | +55.7 pts |
| Below its high | −5.5% | −39.6% |
| Net assets | $59m | $100m |
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.
GNOM in plain words
By weight, 21% of GNOM'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 53% of the fund across 52 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +77.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 60.9 pts. It sits 39.6% below its all-time high of Feb 8, 2021.
Questions people ask
- Do BBP and GNOM hold the same stocks?
- By their latest filings, 16% 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, BBP or GNOM?
- BBP has 12% of its weight in S&P 500 names and GNOM has 21%, so BBP differs more from the index.
- Which is cheaper, BBP or GNOM?
- BBP charges 0.34% a year and GNOM charges 0.50%, 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.
Cite this page. ETFIQ, BBP against GNOM, data as of Sep 18, 2026. https://etfiq.com/compare/themes/bbp-vs-gnom Free to use with attribution; the underlying files are at Open data.