Data as of .
BAI vs SOXX: which is really different?
SOXX holds 73.8% of its weight in S&P 500 companies and BAI 54.8%.
ETFIQ Off-Index Score: SOXX scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 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
What they hold in common
By the books each fund has filed, BAI and SOXX hold 38% of their money in the same securities at the same weight.
| Holding | BAI | SOXX |
|---|---|---|
| MICRON TECHNOLOGY | 6.48% | 8.97% |
| NVIDIA | 5.32% | 9.22% |
| ADVANCED MICRO DEVICES | 4.77% | 8.70% |
| BROADCOM INC | 4.75% | 7.20% |
| TAIWAN SEMICONDUCTOR MANUFACTURING | 4.69% | 4.74% |
| LAM RESEARCH | 4.06% | 4.17% |
| INTEL CORPORATION | 2.84% | 5.64% |
| MARVELL TECHNOLOGY | 2.34% | 4.93% |
| CREDO TECHNOLOGY GROUP HOLDING LTD | 1.47% | 1.47% |
| MACOM TECHNOLOGY SOLUTIONS | 1.44% | 1.04% |
| BLK CSH FND TREASURY SL AGENCY | 0.61% | 0.04% |
| Only in BAI | Only in SOXX |
|---|---|
| SPACE EXPLORATION TECHNOLOGIES COR 3.01% | APPLIED MATERIAL INC 4.50% |
| SNOWFLAKE 3.00% | KLA 4.11% |
| LUMENTUM HOLDINGS 2.91% | ANALOG DEVICES 3.89% |
| ELITE MATERIAL 2.75% | TEXAS INSTRUMENT INC 3.77% |
| WESTERN DIGITAL CORP 2.69% | TERADYNE 3.19% |
| ASIA VITAL COMPONENTS 2.55% | NXP SEMICONDUCTORS NV 3.14% |
| SANDISK 2.49% | QUALCOMM 3.14% |
| ALPHABET CLASS A 2.45% | MONOLITHIC POWER SYSTEMS INC 3.12% |
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 10, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BAI | SOXX | BAI | SOXX | BAI | SOXX | |
| 3 months | −9.1% | −11.6% | −12.3 pts | −14.9 pts | −8.3 pts | −10.8 pts |
| 6 months | +34.1% | +59.3% | +18.1 pts | +43.2 pts | +13.4 pts | +38.6 pts |
| 1 year | +32.3% | +107.5% | +14.8 pts | +90.0 pts | +9.3 pts | +84.5 pts |
| 3 years | not published | +229.6% | not published | +151.7 pts | not published | +134.5 pts |
| Since launch | +80.9% | +3687.1% | +47.2 pts | +2882.7 pts | +35.4 pts | +2013.2 pts |
| BAI iShares A.I. Innovation and Tech Active ETF Holds 52 stocks in artificial intelligence, 55% of its weight in S&P 500 companies | SOXX iShares Semiconductor ETF Holds 32 stocks in semiconductors, 74% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | iShares | iShares |
| Theme | Artificial intelligence | Semiconductors |
| In the S&P 500 | 54.8% | 73.8% |
| Active share vs the S&P 500 | 76.5% | 82.3% |
| In the Nasdaq-100 | 49.5% | 65.2% |
| Holdings | 52 | 32 |
| Top ten, share of the fund | 41.8% | 62.2% |
| Expense ratio | 0.55% | 0.33% |
| Fee for the differing part | 0.72% | 0.40% |
| Total return, 1 year | +32.3% | +107.5% |
| vs the S&P 500 | +14.8 pts | +90.0 pts |
| vs the Nasdaq-100 | +9.3 pts | +84.5 pts |
| Below its high | −17.9% | −19.5% |
BAI in plain words
By weight, 55% 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 52 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +32.3% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 14.8 pts. It sits 17.9% below its all-time high of Jun 22, 2026.
SOXX in plain words
By weight, 74% of SOXX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 82%. The top ten holdings are 62% of the fund across 32 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +107.5% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 90.0 pts. It sits 19.5% below its all-time high of Jun 22, 2026.
Questions people ask
- Which is more different from the S&P 500, BAI or SOXX?
- BAI has 55% of its weight in S&P 500 names and SOXX has 74%, so SOXX differs more from the index.
- Which is cheaper, BAI or SOXX?
- BAI charges 0.55% a year and SOXX charges 0.33%, so SOXX 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, BAI against SOXX, data as of Sep 11, 2026. https://etfiq.com/compare/themes/bai-vs-soxx Free to use with attribution; the underlying files are at Open data.