Data as of Oct 28, 2026.
QTUM vs SOXX: Holdings Overlap & Returns
Over the year to Oct 28, 2026, QTUM returned +28.9% to SOXX's +72.0%; 24% of their weight is in the same names.
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Net assets on Oct 27, 2026: $5.4bn for Defiance Quantum ETF and $48.3bn for iShares Semiconductor ETF.
38% of QTUM's weight is in S&P 500 companies and 63% is outside the index. Holdings as of Oct 28, 2026.
74% of SOXX's weight is in S&P 500 companies and 26% is outside the index. Holdings as of Oct 27, 2026.
Pair scorecard
SOXX costs 0.07 points a year less; their one-year returns differ by 43.1 points; SOXX is 8.9 times larger.
Points (pts) are percentage points.
| Measure | QTUM | SOXX |
|---|---|---|
| Return | ||
| Total return, 1 year | +28.9% | +72.0% |
| Drawdown | ||
| Below its all-time high | 14.3%, high on Jun 2, 2026 | 20.3%, high on Jun 22, 2026 |
| Against its benchmark | ||
| What it tracks | Quantum computing | Semiconductors |
| Its benchmark, total return, 1 year | +13.3% | |
| Against its benchmark, 1 year | ahead by 58.7 pts | |
| Cost and size | ||
| Expense ratio | 0.40% | 0.33% |
| Net assets, as of Oct 27, 2026 | $5.4bn | $48.3bn |
| Holdings | ||
| Holdings in common | 24% | |
| Top ten holdings, share of the fund | 18% | 62% |
Holdings in common uses holdings dated Oct 27, 2026 and Oct 28, 2026. Method
Risk and return
Sep 14, 2018 to Oct 23, 2026 · 423 weekly returnsSOXX returned more: +726.8% to +489.3%. QTUM swung less: 26.3% to 33.1%. QTUM fell less at its worst: −38.1% to −44.4%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | QTUM | SOXX | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +489.3% | +726.8% | SOXX | Price change plus distributions, reinvested. |
| Annualized | +24.4% | +29.7% | SOXX | Total return as a yearly rate. |
| Price return | +450.1% | +666.1% | SOXX | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 26.3% | 33.1% | QTUM | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 17.6% | 21.7% | QTUM | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −38.1% | −44.4% | QTUM | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.86 | 0.87 | Tie | Return above Treasury bills per unit of volatility. |
| Sortino | 1.28 | 1.32 | SOXX (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.64 | 0.67 | SOXX (slight) | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 423 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, QTUM and SOXX hold 24% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026 and Oct 28, 2026.
half
24% in common
Only in one fund ↓
Window by window
| Total return | vs its benchmark | |||
|---|---|---|---|---|
| Window | QTUM | SOXX | QTUM | SOXX |
| 3 months | +9.1% | +12.3% | not measured | +6.3 pts vs PBUS |
| 6 months | +11.2% | +16.1% | not measured | +7.0 pts vs PBUS |
| 1 year | +28.9% | +72.0% | not measured | +58.7 pts vs PBUS |
| 3 years | +229.7% | +258.4% | not measured | +162.6 pts vs PBUS |
| Since launchNot the same days: QTUM Sep 2018 · SOXX Jul 2001 | +522.8% | +2,543.8% | not measured | not measured |
Side by side
As of Oct 28, 2026. Source: ETFIQ.
24% of the two portfolios are the same securities at the same weight.
QTUM and SOXX are built for the same job. How do they differ in cost, holdings and results?
- Theme. QTUM covers Quantum computing and SOXX covers Semiconductors.
- Concentration. The top ten holdings are 18.5% of QTUM and 62.4% of SOXX, a gap of 43.9 points.
- What each follows. QTUM follows Quantum computing and SOXX follows Semiconductors.
Data as of Oct 28, 2026.
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QTUM
By weight, 38% of QTUM'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 18% of the fund across 85 positions, as published by its issuer for Oct 28, 2026. Over the year to Oct 28, 2026 the fund returned +28.9% with distributions reinvested. It sits 14.3% below its all-time high of Jun 2, 2026.
SOXX
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 31 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +72.0% with distributions reinvested against +13.3% for its benchmark, the MSCI USA Index, so a holder was ahead by 58.7 pts. It sits 20.3% below its all-time high of Jun 22, 2026.
Questions people ask
- Do QTUM and SOXX hold the same stocks?
- By their latest filings, 24% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Every number is an ETFIQ calculation with distributions reinvested.
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ETFIQ, QTUM against SOXX, data as of Oct 28, 2026. https://etfiq.com/compare/themes/qtum-vs-soxx
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