Data as of .
IFRA vs SOXX: which is really different?
SOXX holds 73.8% of its weight in S&P 500 companies and IFRA 71.4%.
ETFIQ Off-Index Score: IFRA 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, IFRA and SOXX hold 0% of their money in the same securities at the same weight.
| Holding | IFRA | SOXX |
|---|---|---|
| BLK CSH FND TREASURY SL AGENCY | 0.07% | 0.04% |
| USD CASH | 0.18% | 0.04% |
| Only in IFRA | Only in SOXX |
|---|---|
| UNION PACIFIC 4.43% | NVIDIA 9.22% |
| NEXTERA ENERGY 4.05% | MICRON TECHNOLOGY 8.97% |
| CATERPILLAR INC 3.76% | ADVANCED MICRO DEVICES 8.70% |
| QUANTA SERVICES INC 3.52% | BROADCOM INC 7.20% |
| CSX 3.48% | INTEL CORPORATION 5.64% |
| SOUTHERN 2.91% | MARVELL TECHNOLOGY 4.93% |
| CONSTELLATION ENERGY CORP 2.85% | TAIWAN SEMICONDUCTOR MANUFACTURING 4.74% |
| NORFOLK SOUTHERN CORP 2.78% | APPLIED MATERIAL INC 4.50% |
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 | |||
|---|---|---|---|---|---|---|
| IFRA | SOXX | IFRA | SOXX | IFRA | SOXX | |
| 3 months | −5.6% | −11.6% | −8.9 pts | −14.9 pts | −4.8 pts | −10.8 pts |
| 6 months | +2.3% | +59.3% | −13.7 pts | +43.2 pts | −18.4 pts | +38.6 pts |
| 1 year | +13.5% | +107.5% | −4.0 pts | +90.0 pts | −9.5 pts | +84.5 pts |
| 3 years | +61.6% | +229.6% | −16.3 pts | +151.7 pts | −33.5 pts | +134.5 pts |
| Since launch | +169.3% | +3687.1% | −57.4 pts | +2882.7 pts | −200.6 pts | +2013.2 pts |
| IFRA iShares U.S. Infrastructure ETF Holds 164 stocks in infrastructure, 71% 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 | Infrastructure | Semiconductors |
| In the S&P 500 | 71.4% | 73.8% |
| Active share vs the S&P 500 | 95.7% | 82.3% |
| In the Nasdaq-100 | 11.0% | 65.2% |
| Holdings | 164 | 32 |
| Top ten, share of the fund | 33.1% | 62.2% |
| Expense ratio | 0.30% | 0.33% |
| Fee for the differing part | 0.31% | 0.40% |
| Total return, 1 year | +13.5% | +107.5% |
| vs the S&P 500 | −4.0 pts | +90.0 pts |
| vs the Nasdaq-100 | −9.5 pts | +84.5 pts |
| Below its high | −8.9% | −19.5% |
IFRA in plain words
By weight, 71% of IFRA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 33% of the fund across 164 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +13.5% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 4.0 pts. It sits 8.9% below its all-time high of Jun 25, 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, IFRA or SOXX?
- IFRA has 71% of its weight in S&P 500 names and SOXX has 74%, so IFRA differs more from the index.
- Which is cheaper, IFRA or SOXX?
- IFRA charges 0.30% a year and SOXX charges 0.33%, so IFRA 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, IFRA against SOXX, data as of Sep 11, 2026. https://etfiq.com/compare/themes/ifra-vs-soxx Free to use with attribution; the underlying files are at Open data.