SMH vs SOXX: the differences that matter
Choosing a semiconductor concentration method. SMH uses a concentrated 25-company index; SOXX uses a different eligibility and weighting framework.
Choosing a semiconductor concentration method. SMH uses a concentrated 25-company index; SOXX uses a different eligibility and weighting framework.
| Decision factor | SMH | SOXX |
|---|---|---|
| Fund | VanEck Semiconductor ETF | iShares Semiconductor ETF |
| Issuer | VanEck | iShares |
| Portfolio role | Concentrated semiconductor industry allocation | Semiconductor industry allocation |
| Benchmark or mandate | MVIS US Listed Semiconductor 25 Index | NYSE Semiconductor Index |
| Expense ratio | 0.35% | 0.35% |
| Annual fee per $10,000 | $35.00 | $35.00 |
| Inception | 2011-12-20 | 2001-07-10 |
| Structure | Open-end ETF | Open-end ETF |
| Distribution | Annual | Quarterly |
| Breadth | Twenty-five large and liquid semiconductor companies | U.S.-listed semiconductor equities selected by index rules |
| Structural risk | 5 / 5 | 5 / 5 |
A fee gap of $0.00 per $10,000 per year is only one input. Trading spreads, tracking, tax consequences and portfolio construction can outweigh it.
Investors comfortable with a more concentrated semiconductor portfolio.
Investors preferring SOXX's separate index methodology and portfolio construction.
This comparison does not forecast which ticker will have the higher next-month return. It separates structural choices from recent performance and leaves dynamic values out when they cannot be refreshed and dated reliably.
Structural facts reviewed 2026-08-25. Confirm current sponsor documents before acting.
Compare SMH and SOXX by exposure, portfolio role, concentration, benchmark design, fees and implementation risk, with primary sources to verify. Begin by writing the portfolio job in one sentence. Then compare industry definitions, constituent caps, top-position concentration and rebalance rules. This prevents a familiar ticker, a recent return or a small fee difference from deciding the question before the products have been defined.
Open each objective and benchmark description. Record the eligible universe, weighting rules, reconstitution schedule and any concentration controls. If one fund uses derivatives, options, sampling or a different legal structure, name that difference explicitly. A comparison is weak when it assumes that similar historical charts prove the portfolios are interchangeable.
Convert each stated expense ratio into dollars for the proposed position, but do not stop there. Add the bid-ask spread, expected trading frequency, premium or discount risk, and any immediate tax cost from replacing an existing holding. For shorter periods, execution can outweigh a small annual fee gap. For longer periods, benchmark design and compounding can matter more.
Compare the largest positions and their combined weight, then examine sector, country, maturity or strategy exposures that drive the result. Note whether the funds overlap with holdings already in the portfolio. A new ticker does not create diversification if it repackages the same companies or the same economic risk.
A sector label can hide large exposure to only a few companies or economic drivers. A useful check is to test an earnings shock to the largest holdings and a rotation away from the sector. Apply the same dates, return definition and distribution treatment to every fund. Include the possibility that spreads widen and that an order cannot be filled at the last displayed price.
Use current holdings, index methodology, concentration disclosures and issuer fact sheets. Save the document date and the exact section supporting the deciding fact. If the current source contradicts an old comparison, the current source controls. If the difference cannot be resolved, keep the uncertainty visible rather than filling it with an estimate.
No single winner applies to every account. The useful conclusion states which fund fits a defined job under stated assumptions and which facts must remain true for that choice to continue making sense.