Data as of .
BBC vs IBBQ: which is really different?
BBC and IBBQ hold 17% 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
17% 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 IBBQ hold 17% of their money in the same securities at the same weight.
| Holding | BBC | IBBQ |
|---|---|---|
| REVOLUTION MEDICINES INC | 1.35% | 2.72% |
| SUMMIT THERAPEUTICS INC | 0.90% | 0.93% |
| KYMERA THERAPEUTICS INC | 0.67% | 0.65% |
| CYTOKINETICS INC | 0.75% | 0.63% |
| PROTAGONIST THERAPEUTICS INC | 0.77% | 0.62% |
| VAXCYTE INC | 0.95% | 0.56% |
| PRAXIS PRECISION MEDICINES INC | 0.88% | 0.56% |
| SPYRE THERAPEUTICS INC | 1.64% | 0.53% |
| IMMUNOVANT INC | 0.76% | 0.51% |
| CG ONCOLOGY INC | 1.21% | 0.44% |
| ORUKA THERAPEUTICS INC | 1.68% | 0.38% |
| SCHOLAR ROCK HOLDING CORP | 0.74% | 0.37% |
| Only in BBC | Only in IBBQ |
|---|---|
| DIANTHUS THERAPEUTICS INC 1.54% | Amgen Inc 8.05% |
| REZOLUTE INC 1.31% | Vertex Pharmaceuticals Inc 7.98% |
| JADE BIOSCIENCES INC 1.21% | Gilead Sciences Inc 7.89% |
| NEKTAR THERAPEUTICS 1.15% | Regeneron Pharmaceuticals Inc 5.42% |
| CENTESSA PHARMACEUTICALS PLC 1.10% | Moderna Inc 4.10% |
| PALVELLA THERAPEUTICS INC 0.96% | Illumina Inc 2.43% |
| CAPRICOR THERAPEUTICS INC 0.95% | Alnylam Pharmaceuticals Inc 2.14% |
| CELLDEX THERAPEUTICS INC 0.88% | Biogen Inc 2.13% |
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 19, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BBC | IBBQ | BBC | IBBQ | BBC | IBBQ | |
| 3 months | +6.9% | +15.8% | +4.7 pts | +13.6 pts | +9.4 pts | +18.3 pts |
| 6 months | +22.7% | +24.9% | +4.7 pts | +6.9 pts | −1.5 pts | +0.7 pts |
| 1 year | +95.6% | +44.6% | +79.0 pts | +28.0 pts | +73.8 pts | +22.8 pts |
| 3 years | +143.8% | +76.7% | +65.3 pts | −1.7 pts | +45.6 pts | −21.5 pts |
| Since launch | +92.6% | +42.0% | −268.5 pts | −51.2 pts | −583.0 pts | −76.1 pts |
| BBC Virtus Biotech Clinical Trials ETF Holds 124 stocks in biotech, 0% of its weight in S&P 500 companies | IBBQ Invesco Nasdaq Biotechnology ETF Holds 256 stocks in biotech, 39% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Virtus | Invesco |
| Theme | Biotech | Biotech |
| In the S&P 500 | 0.0% | 38.6% |
| Active share vs the S&P 500 | 100.0% | 99.0% |
| In the Nasdaq-100 | 0.0% | 33.2% |
| Holdings | 124 | 256 |
| Top ten, share of the fund | 16.2% | 44.8% |
| Expense ratio | 0.65% | 0.19% |
| Fee for the differing part | 0.65% | 0.19% |
| Total return, 1 year | +95.6% | +44.6% |
| vs the S&P 500 | +79.0 pts | +28.0 pts |
| vs the Nasdaq-100 | +73.8 pts | +22.8 pts |
| Below its high | −19.1% | −5.8% |
| Net assets | $37m | $96m |
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.
IBBQ in plain words
By weight, 39% of IBBQ'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 256 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +44.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 28.0 pts. It sits 5.8% below its all-time high of Aug 19, 2026.
Questions people ask
- Do BBC and IBBQ hold the same stocks?
- By their latest filings, 17% 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 IBBQ?
- BBC has 0% of its weight in S&P 500 names and IBBQ has 39%, so BBC differs more from the index.
- Which is cheaper, BBC or IBBQ?
- BBC charges 0.65% a year and IBBQ charges 0.19%, so IBBQ 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, BBC against IBBQ, data as of Sep 18, 2026. https://etfiq.com/compare/themes/bbc-vs-ibbq Free to use with attribution; the underlying files are at Open data.