Data as of .
ALAI vs BAI: which is really different?
ALAI and BAI hold 34% of their weight in the same names, and BAI returned more over the year.
ETFIQ Off-Index Score: BAI 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
34% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, ALAI and BAI hold 34% of their money in the same securities at the same weight.
| Holding | ALAI | BAI |
|---|---|---|
| NVIDIA CORP | 12.01% | 5.31% |
| TAIWAN SEMICONDUCTOR MANUFACTURING COMPA | 5.85% | 4.68% |
| BROADCOM INC | 3.70% | 4.61% |
| SPACE EXPLORATION TECHNOLOGIES CORP | 3.03% | 3.05% |
| WESTERN DIGITAL CORP | 4.26% | 2.52% |
| MICROSOFT CORP | 4.69% | 2.09% |
| AMAZON.COM INC | 5.27% | 1.99% |
| MICRON TECHNOLOGY INC | 1.46% | 6.62% |
| ADVANCED MICRO DEVICES INC | 1.33% | 5.20% |
| SNOWFLAKE INC | 1.02% | 2.97% |
| TESLA INC | 2.52% | 0.92% |
| TWILIO INC | 1.02% | 0.80% |
| Only in ALAI | Only in BAI |
|---|---|
| ALPHABET INC 4.64% | LAM RESEARCH 3.85% |
| NEBIUS GROUP NV 4.04% | INTEL CORPORATION 3.01% |
| META PLATFORMS INC 3.78% | MARVELL TECHNOLOGY 2.48% |
| Anthropic PBC 2.87% | ALPHABET CLASS A 2.47% |
| APPLE INC 2.78% | ASIA VITAL COMPONENTS 2.45% |
| APPLOVIN CORP 2.05% | ELITE MATERIAL 2.43% |
| SEAGATE TECHNOLOGY HOLDINGS PLC 1.95% | TOWER SEMICONDUCTOR 2.08% |
| TALEN ENERGY CORP 1.95% | CROWDSTRIKE HOLDINGS CLASS A 2.06% |
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 Jun 30, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ALAI | BAI | ALAI | BAI | ALAI | BAI | |
| 3 months | −2.2% | −15.2% | −4.4 pts | −17.4 pts | +0.3 pts | −12.7 pts |
| 6 months | +38.0% | +34.8% | +19.9 pts | +16.8 pts | +13.7 pts | +10.6 pts |
| 1 year | +25.6% | +32.2% | +9.1 pts | +15.7 pts | +3.9 pts | +10.4 pts |
| Since launch | +132.7% | +83.4% | +81.4 pts | +49.9 pts | +66.9 pts | +36.7 pts |
| ALAI Alger AI Enablers & Adopters ETF Holds 79 stocks in artificial intelligence, 60% of its weight in S&P 500 companies | BAI iShares A.I. Innovation and Tech Active ETF Holds 55 stocks in artificial intelligence, 56% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Alger | iShares |
| Theme | Artificial intelligence | Artificial intelligence |
| In the S&P 500 | 60.0% | 55.6% |
| Active share vs the S&P 500 | 65.2% | 76.4% |
| In the Nasdaq-100 | 54.4% | 50.0% |
| Holdings | 79 | 55 |
| Top ten, share of the fund | 51.3% | 42.2% |
| Expense ratio | 0.58% | 0.55% |
| Fee for the differing part | 0.89% | 0.72% |
| Total return, 1 year | +25.6% | +32.2% |
| vs the S&P 500 | +9.1 pts | +15.7 pts |
| vs the Nasdaq-100 | +3.9 pts | +10.4 pts |
| Below its high | −2.2% | −16.8% |
| Net assets | $451m | $14.4bn |
ALAI in plain words
By weight, 60% of ALAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 65%. The top ten holdings are 51% of the fund across 79 positions, as filed for Jun 30, 2026. Over the year to Sep 18, 2026 the fund returned +25.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 9.1 pts.
BAI in plain words
By weight, 56% of BAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 76%. The top ten holdings are 42% of the fund across 55 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +32.2% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 15.7 pts. It sits 16.8% below its all-time high of Jun 22, 2026.
Questions people ask
- Do ALAI and BAI hold the same stocks?
- By their latest filings, 34% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, ALAI or BAI?
- ALAI has 60% of its weight in S&P 500 names and BAI has 56%, so BAI differs more from the index.
- Which is cheaper, ALAI or BAI?
- ALAI charges 0.58% a year and BAI charges 0.55%, so BAI 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, ALAI against BAI, data as of Sep 18, 2026. https://etfiq.com/compare/themes/alai-vs-bai Free to use with attribution; the underlying files are at Open data.