Data as of .
BBP vs GNMX: which is really different?
BBP and GNMX hold 18% of their weight in the same names.
ETFIQ Off-Index Score: GNMX 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
18% 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 GNMX hold 18% of their money in the same securities at the same weight.
| Holding | BBP | GNMX |
|---|---|---|
| MODERNA INC | 2.50% | 7.05% |
| IOVANCE BIOTHERAPEUTICS INC | 2.45% | 2.30% |
| KRYSTAL BIOTECH INC | 1.72% | 1.86% |
| BIOMARIN PHARMACEUTICAL INC | 1.62% | 2.22% |
| INCYTE CORP | 1.60% | 2.90% |
| VERTEX PHARMACEUTICALS INC | 1.52% | 5.89% |
| ARROWHEAD PHARMACEUTICALS INC | 1.68% | 1.50% |
| CRISPR THERAPEUTICS AG | 1.48% | 1.47% |
| ALNYLAM PHARMACEUTICALS INC | 1.25% | 2.64% |
| IONIS PHARMACEUTICALS INC | 1.48% | 1.18% |
| SAREPTA THERAPEUTICS INC | 1.55% | 0.93% |
| ULTRAGENYX PHARMACEUTICAL IN | 1.09% | 0.54% |
| Only in BBP | Only in GNMX |
|---|---|
| IMMUNITYBIO INC 4.83% | Thermo Fisher Scientific Inc 8.62% |
| APELLIS PHARMACEUTICALS INC 2.60% | Illumina Inc 4.36% |
| KALVISTA PHARMACEUTICALS INC 2.53% | Guardant Health Inc 3.86% |
| MIRUM PHARMACEUTICALS INC 2.40% | 10X Genomics Inc 3.42% |
| AXSOME THERAPEUTICS INC 2.25% | Revolution Medicines Inc 3.27% |
| KINIKSA PHARMACEUTICALS INTERNATIONAL PL 2.07% | Genmab A/S 2.91% |
| ROIVANT SCIENCES LTD 2.07% | Twist Bioscience Corp 2.86% |
| ZAI LAB LTD 1.95% | First American Government Obligations Fu 2.62% |
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 | GNMX | BBP | GNMX | BBP | GNMX | |
| 3 months | +15.3% | +29.7% | +13.1 pts | +27.4 pts | +17.8 pts | +32.2 pts |
| 6 months | +29.5% | not published | +11.5 pts | not published | +5.3 pts | not published |
| 1 year | +47.5% | not published | +30.9 pts | not published | +25.7 pts | not published |
| 3 years | +103.0% | not published | +24.6 pts | not published | +4.8 pts | not published |
| Since launch | +304.4% | +41.2% | −56.6 pts | +36.9 pts | −371.1 pts | +37.4 pts |
| BBP Virtus Biotech ETF Holds 60 stocks in biotech, 12% of its weight in S&P 500 companies | GNMX Corgi Genomics & Precision Medicine ETF Holds 58 stocks in genomics and gene editing, 27% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Virtus | Corgi |
| Theme | Biotech | Genomics and gene editing |
| In the S&P 500 | 12.4% | 26.7% |
| Active share vs the S&P 500 | 99.0% | 99.4% |
| In the Nasdaq-100 | 8.9% | 8.5% |
| Holdings | 60 | 58 |
| Top ten, share of the fund | 25.7% | 45.1% |
| Expense ratio | 0.34% | 0.35% |
| Fee for the differing part | 0.34% | 0.35% |
| Total return, 1 year | +47.5% | +41.2% (since launch on May 6, 2026) |
| vs the S&P 500 | +30.9 pts | +36.9 pts |
| vs the Nasdaq-100 | +25.7 pts | +37.4 pts |
| Below its high | −5.5% | −1.0% |
| Net assets | $59m | $3m |
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.
GNMX in plain words
By weight, 27% of GNMX'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 58 positions, as published by its issuer for Sep 18, 2026. Since it launched on May 6, 2026 the fund returned +41.2% with distributions reinvested against +4.3% for the S&P 500, so a holder was ahead by 36.9 pts.
Questions people ask
- Do BBP and GNMX hold the same stocks?
- By their latest filings, 18% 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 GNMX?
- BBP has 12% of its weight in S&P 500 names and GNMX has 27%, so GNMX differs more from the index.
- Which is cheaper, BBP or GNMX?
- BBP charges 0.34% a year and GNMX charges 0.35%, 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 GNMX, data as of Sep 18, 2026. https://etfiq.com/compare/themes/bbp-vs-gnmx Free to use with attribution; the underlying files are at Open data.