Data as of .
AIS vs BAI: which is really different?
AIS and BAI hold 36% of their weight in the same names, and AIS returned more over the year.
ETFIQ Off-Index Score: AIS 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
36% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, AIS and BAI hold 36% of their money in the same securities at the same weight.
| Holding | AIS | BAI |
|---|---|---|
| Micron Technology Inc | 7.19% | 6.62% |
| Advanced Micro Devices Inc | 5.52% | 5.20% |
| Taiwan Semiconductor Manufacturing Co Ltd | 3.62% | 4.68% |
| Intel Corp | 3.35% | 3.01% |
| MARVELL TECHNOLOGY INC | 4.01% | 2.48% |
| NVIDIA Corp | 2.02% | 5.31% |
| Arista Networks Inc | 1.95% | 2.23% |
| Sandisk Corp | 1.91% | 2.59% |
| Western Digital Corp | 1.11% | 2.52% |
| Credo Technology Group Holding Ltd | 0.83% | 1.58% |
| Broadcom Inc | 0.69% | 4.61% |
| Super Micro Computer Inc | 0.64% | 0.97% |
| Only in AIS | Only in BAI |
|---|---|
| SK hynix Inc 8.24% | LAM RESEARCH 3.85% |
| Semtech Corp 4.68% | SPACE EXPLORATION TECHNOLOGIES COR 3.05% |
| Vertiv Holdings Co 3.22% | SNOWFLAKE 2.97% |
| Silicon Motion Technology Corp 3.15% | ALPHABET CLASS A 2.47% |
| Foxconn Industrial Internet Co Ltd 2.67% | ASIA VITAL COMPONENTS 2.45% |
| GE Vernova Inc 2.60% | ELITE MATERIAL 2.43% |
| Seagate Technology Holdings PLC 2.44% | MICROSOFT 2.09% |
| Samsung Electronics Co Ltd 2.13% | TOWER SEMICONDUCTOR 2.08% |
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 Sep 18, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| AIS | BAI | AIS | BAI | AIS | BAI | |
| 3 months | −15.6% | −15.2% | −17.8 pts | −17.4 pts | −13.1 pts | −12.7 pts |
| 6 months | +67.5% | +34.8% | +49.5 pts | +16.8 pts | +43.3 pts | +10.6 pts |
| 1 year | +107.6% | +32.2% | +91.1 pts | +15.7 pts | +85.9 pts | +10.4 pts |
| Since launch | +188.0% | +83.4% | +159.0 pts | +49.9 pts | +147.2 pts | +36.7 pts |
| AIS VistaShares Artificial Intelligence Supercycle ETF Holds 60 stocks in artificial intelligence, 41% 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 | VistaShares | iShares |
| Theme | Artificial intelligence | Artificial intelligence |
| In the S&P 500 | 41.2% | 55.6% |
| Active share vs the S&P 500 | 88.9% | 76.4% |
| In the Nasdaq-100 | 32.8% | 50.0% |
| Holdings | 60 | 55 |
| Top ten, share of the fund | 45.6% | 42.2% |
| Expense ratio | 0.75% | 0.55% |
| Fee for the differing part | 0.84% | 0.72% |
| Total return, 1 year | +107.6% | +32.2% |
| vs the S&P 500 | +91.1 pts | +15.7 pts |
| vs the Nasdaq-100 | +85.9 pts | +10.4 pts |
| Below its high | −18.3% | −16.8% |
| Net assets | $1.0bn | $14.4bn |
AIS in plain words
By weight, 41% of AIS's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 89%. The top ten holdings are 46% of the fund across 60 positions, as published by its issuer for Sep 21, 2026. Over the year to Sep 18, 2026 the fund returned +107.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 91.1 pts. It sits 18.3% below its all-time high of Jun 22, 2026.
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 AIS and BAI hold the same stocks?
- By their latest filings, 36% 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, AIS or BAI?
- AIS has 41% of its weight in S&P 500 names and BAI has 56%, so AIS differs more from the index.
- Which is cheaper, AIS or BAI?
- AIS charges 0.75% 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, AIS against BAI, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ais-vs-bai Free to use with attribution; the underlying files are at Open data.