Data as of .
SOXX vs XT: which is really different?
SOXX holds 73.8% of its weight in S&P 500 companies and XT 64.0%.
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, SOXX and XT hold 16% of their money in the same securities at the same weight.
| Holding | SOXX | XT |
|---|---|---|
| NVIDIA | 9.22% | 4.18% |
| TEXAS INSTRUMENT INC | 3.77% | 3.55% |
| ANALOG DEVICES | 3.89% | 2.88% |
| BROADCOM INC | 7.20% | 1.99% |
| MICRON TECHNOLOGY | 8.97% | 1.18% |
| NXP SEMICONDUCTORS NV | 3.14% | 0.93% |
| ADVANCED MICRO DEVICES | 8.70% | 0.91% |
| ON SEMICONDUCTOR CORP | 1.52% | 0.44% |
| MONOLITHIC POWER SYSTEMS INC | 3.12% | 0.16% |
| MARVELL TECHNOLOGY | 4.93% | 0.15% |
| BLK CSH FND TREASURY SL AGENCY | 0.04% | 0.11% |
| USD CASH | 0.04% | 0.04% |
| Only in SOXX | Only in XT |
|---|---|
| INTEL CORPORATION 5.64% | MICROSOFT 4.21% |
| TAIWAN SEMICONDUCTOR MANUFACTURING 4.74% | ELI LILLY 3.90% |
| APPLIED MATERIAL INC 4.50% | TESLA INC 3.55% |
| LAM RESEARCH 4.17% | JOHNSON & JOHNSON 3.48% |
| KLA 4.11% | AMAZON.COM INC 2.87% |
| TERADYNE 3.19% | PALO ALTO NETWORKS 2.74% |
| QUALCOMM 3.14% | ABBVIE 2.45% |
| ASML HOLDING ADR REPRESENTING 2.42% | CROWDSTRIKE HOLDINGS CLASS A 2.14% |
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 | |||
|---|---|---|---|---|---|---|
| SOXX | XT | SOXX | XT | SOXX | XT | |
| 3 months | −11.6% | +0.7% | −14.9 pts | −2.6 pts | −10.8 pts | +1.5 pts |
| 6 months | +59.3% | +18.0% | +43.2 pts | +2.0 pts | +38.6 pts | −2.7 pts |
| 1 year | +107.5% | +25.7% | +90.0 pts | +8.2 pts | +84.5 pts | +2.8 pts |
| 3 years | +229.6% | +63.3% | +151.7 pts | −14.6 pts | +134.5 pts | −31.8 pts |
| Since launch | +3687.1% | +279.7% | +2882.7 pts | −61.9 pts | +2013.2 pts | −340.9 pts |
| SOXX iShares Semiconductor ETF Holds 32 stocks in semiconductors, 74% of its weight in S&P 500 companies | XT iShares Future Exponential Technologies ETF Holds 192 stocks in broad innovation and megatrends, 64% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | iShares | iShares |
| Theme | Semiconductors | Broad innovation and megatrends |
| In the S&P 500 | 73.8% | 64.0% |
| Active share vs the S&P 500 | 82.3% | 67.4% |
| In the Nasdaq-100 | 65.2% | 38.8% |
| Holdings | 32 | 192 |
| Top ten, share of the fund | 62.2% | 33.8% |
| Expense ratio | 0.33% | 0.46% |
| Fee for the differing part | 0.40% | 0.68% |
| Total return, 1 year | +107.5% | +25.7% |
| vs the S&P 500 | +90.0 pts | +8.2 pts |
| vs the Nasdaq-100 | +84.5 pts | +2.8 pts |
| Below its high | −19.5% | −3.2% |
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.
XT in plain words
By weight, 64% of XT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 67%. The top ten holdings are 34% of the fund across 192 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +25.7% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 8.2 pts.
Questions people ask
- Which is more different from the S&P 500, SOXX or XT?
- SOXX has 74% of its weight in S&P 500 names and XT has 64%, so SOXX differs more from the index.
- Which is cheaper, SOXX or XT?
- SOXX charges 0.33% a year and XT charges 0.46%, 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, SOXX against XT, data as of Sep 11, 2026. https://etfiq.com/compare/themes/soxx-vs-xt Free to use with attribution; the underlying files are at Open data.