Data as of .
FDN vs SOXX: which is really different?
FDN holds 82.4% of its weight in S&P 500 companies and SOXX 73.8%.
ETFIQ Off-Index Score: FDN 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, FDN and SOXX hold 0% of their money in the same securities at the same weight.
| Only in FDN | Only in SOXX |
|---|---|
| Meta Platforms, Inc. (Class A) 10.43% | NVIDIA 9.22% |
| Amazon.com, Inc. 9.78% | MICRON TECHNOLOGY 8.97% |
| Cisco Systems, Inc. 7.25% | ADVANCED MICRO DEVICES 8.70% |
| Salesforce, Inc. 5.91% | BROADCOM INC 7.20% |
| Arista Networks, Inc. 5.18% | INTEL CORPORATION 5.64% |
| Alphabet Inc. (Class A) 4.79% | MARVELL TECHNOLOGY 4.93% |
| Booking Holdings Inc. 4.51% | TAIWAN SEMICONDUCTOR MANUFACTURING 4.74% |
| Oracle Corporation 4.44% | 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 | |||
|---|---|---|---|---|---|---|
| FDN | SOXX | FDN | SOXX | FDN | SOXX | |
| 3 months | +9.3% | −11.6% | +6.0 pts | −14.9 pts | +10.1 pts | −10.8 pts |
| 6 months | +20.3% | +59.3% | +4.3 pts | +43.2 pts | −0.4 pts | +38.6 pts |
| 1 year | +1.9% | +107.5% | −15.6 pts | +90.0 pts | −21.0 pts | +84.5 pts |
| 3 years | +69.5% | +229.6% | −8.4 pts | +151.7 pts | −25.6 pts | +134.5 pts |
| Since launch | +1031.5% | +3687.1% | +227.1 pts | +2882.7 pts | −642.4 pts | +2013.2 pts |
| FDN First Trust Dow Jones Internet Index Fund Holds 42 stocks in internet and e-commerce, 82% 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 | First Trust | iShares |
| Theme | Internet and e-commerce | Semiconductors |
| In the S&P 500 | 82.4% | 73.8% |
| Active share vs the S&P 500 | 85.5% | 82.3% |
| In the Nasdaq-100 | 57.1% | 65.2% |
| Holdings | 42 | 32 |
| Top ten, share of the fund | 60.5% | 62.2% |
| Expense ratio | 0.49% | 0.33% |
| Fee for the differing part | 0.57% | 0.40% |
| Total return, 1 year | +1.9% | +107.5% |
| vs the S&P 500 | −15.6 pts | +90.0 pts |
| vs the Nasdaq-100 | −21.0 pts | +84.5 pts |
| Below its high | −2.1% | −19.5% |
FDN in plain words
By weight, 82% of FDN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 86%. The top ten holdings are 60% of the fund across 42 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +1.9% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 15.6 pts.
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, FDN or SOXX?
- FDN has 82% of its weight in S&P 500 names and SOXX has 74%, so FDN differs more from the index.
- Which is cheaper, FDN or SOXX?
- FDN charges 0.49% 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, FDN against SOXX, data as of Sep 11, 2026. https://etfiq.com/compare/themes/fdn-vs-soxx Free to use with attribution; the underlying files are at Open data.