Data as of .
BBP vs PBPH: which is really different?
BBP and PBPH hold 12% of their weight in the same names.
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
12% 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 PBPH hold 12% of their money in the same securities at the same weight.
| Holding | BBP | PBPH |
|---|---|---|
| AMGEN INC | 1.75% | 4.33% |
| GILEAD SCIENCES INC | 1.74% | 4.10% |
| REGENERON PHARMACEUTICALS | 1.53% | 1.72% |
| VERTEX PHARMACEUTICALS INC | 1.52% | 2.73% |
| ALNYLAM PHARMACEUTICALS INC | 1.25% | 1.03% |
| INSMED INC | 1.11% | 0.79% |
| BIOGEN INC | 1.74% | 0.62% |
| UNITED THERAPEUTICS CORP | 1.85% | 0.52% |
| INCYTE CORP | 1.60% | 0.46% |
| IONIS PHARMACEUTICALS INC | 1.48% | 0.32% |
| NEUROCRINE BIOSCIENCES INC | 1.38% | 0.31% |
| BRIDGEBIO PHARMA INC | 1.52% | 0.30% |
| Only in BBP | Only in PBPH |
|---|---|
| IMMUNITYBIO INC 4.83% | ELI LILLY & CO 14.74% |
| APELLIS PHARMACEUTICALS INC 2.60% | JOHNSON & JOHNSON 9.10% |
| KALVISTA PHARMACEUTICALS INC 2.53% | ABBVIE INC 6.53% |
| MODERNA INC 2.50% | ROCHE HOLDING AG-GENUSSCHEIN 5.28% |
| IOVANCE BIOTHERAPEUTICS INC 2.45% | NOVARTIS AG-REG 4.99% |
| MIRUM PHARMACEUTICALS INC 2.40% | MERCK & CO. INC. 4.71% |
| AXSOME THERAPEUTICS INC 2.25% | ASTRAZENECA PLC 4.60% |
| KINIKSA PHARMACEUTICALS INTERNATIONAL PL 2.07% | NOVO NORDISK A/S-B 4.37% |
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 Jan 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BBP | PBPH | BBP | PBPH | BBP | PBPH | |
| 3 months | +15.3% | +12.4% | +13.1 pts | +10.1 pts | +17.8 pts | +14.8 pts |
| 6 months | +29.5% | +15.6% | +11.5 pts | −2.5 pts | +5.3 pts | −8.7 pts |
| 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% | +13.3% | −56.6 pts | −0.8 pts | −371.1 pts | −5.7 pts |
| BBP Virtus Biotech ETF Holds 60 stocks in biotech, 12% of its weight in S&P 500 companies | PBPH Portfolio Building Block World Pharma and Biotech Index ETF Holds 51 stocks in biotech, 57% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Virtus | Portfolio Building Block |
| Theme | Biotech | Biotech |
| In the S&P 500 | 12.4% | 56.8% |
| Active share vs the S&P 500 | 99.0% | 95.0% |
| In the Nasdaq-100 | 8.9% | 14.7% |
| Holdings | 60 | 51 |
| Top ten, share of the fund | 25.7% | 62.7% |
| Expense ratio | 0.34% | 0.13% |
| Fee for the differing part | 0.34% | 0.14% |
| Total return, 1 year | +47.5% | +13.3% (since launch on Nov 25, 2025) |
| vs the S&P 500 | +30.9 pts | −0.8 pts |
| vs the Nasdaq-100 | +25.7 pts | −5.7 pts |
| Below its high | −5.5% | −4.8% |
| Net assets | $59m | $36m |
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.
PBPH in plain words
By weight, 57% of PBPH's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 95%. The top ten holdings are 63% of the fund across 51 positions, as filed for Jan 31, 2026. Since it launched on Nov 25, 2025 the fund returned +13.3% with distributions reinvested against +14.1% for the S&P 500, so a holder was behind by 0.8 pts.
Questions people ask
- Do BBP and PBPH hold the same stocks?
- By their latest filings, 12% 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 PBPH?
- BBP has 12% of its weight in S&P 500 names and PBPH has 57%, so BBP differs more from the index.
- Which is cheaper, BBP or PBPH?
- BBP charges 0.34% a year and PBPH charges 0.13%, so PBPH 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 PBPH, data as of Sep 18, 2026. https://etfiq.com/compare/themes/bbp-vs-pbph Free to use with attribution; the underlying files are at Open data.