Data as of . Every figure is the themes desk's own, on published data.
QTUM vs SOXQ
26% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, QTUM and SOXQ hold 26% of their money in the same securities at the same weight.
| Holding | QTUM | SOXQ |
|---|---|---|
| Astera Labs Inc | 1.56% | 2.15% |
| Applied Materials Inc | 1.56% | 3.04% |
| KLA Corp | 1.51% | 3.16% |
| Teradyne Inc | 1.49% | 2.16% |
| Lam Research Corp | 1.44% | 3.42% |
| Intel Corp | 1.40% | 6.33% |
| Micron Technology Inc | 1.39% | 11.84% |
| Advanced Micro Devices Inc | 1.37% | 6.49% |
| Marvell Technology Inc | 1.26% | 6.32% |
| TSMC | 1.25% | 2.81% |
| ARM Holdings PLC | 1.23% | 1.82% |
| Coherent Corp | 1.19% | 2.50% |
| Only in QTUM | Only in SOXQ |
|---|---|
| Arqit Quantum Inc 2.43% | NXP Semiconductors N.V. 3.00% |
| Horizon Quantum Holdings LTD 2.40% | Monolithic Power Systems, Inc. 2.85% |
| Quantinuum Inc 1.58% | ASML Holding N.V. 2.80% |
| MKS Inc 1.51% | GLOBALFOUNDRIES Inc. 1.64% |
| Onto Innovation Inc 1.50% | Credo Technology Group Holding Ltd. 1.51% |
| Nebius Group NV 1.40% | MACOM Technology Solutions Holdings, Inc 1.01% |
| BTQ Technologies Corp 1.38% | Entegris, Inc. 0.78% |
| Tokyo Electron Ltd 1.32% | Nova Ltd. 0.59% |
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 as filed for Jun 30, 2026 and May 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| QTUM | SOXQ | QTUM | SOXQ | QTUM | SOXQ | |
| 3 months | −3.0% | −4.0% | −7.7 pts | −8.7 pts | −5.1 pts | −6.1 pts |
| 6 months | +35.5% | +56.3% | +20.3 pts | +41.2 pts | +15.3 pts | +36.2 pts |
| 1 year | +58.6% | +107.9% | +38.7 pts | +87.9 pts | +33.0 pts | +82.3 pts |
| 3 years | +196.2% | +225.0% | +118.3 pts | +147.0 pts | +102.8 pts | +131.5 pts |
| Since launch | +538.2% | +282.6% | +337.0 pts | +187.7 pts | +225.3 pts | +165.3 pts |
| QTUM Defiance Quantum ETF | SOXQ Invesco PHLX Semiconductor ETF | |
|---|---|---|
| Issuer | Defiance | Invesco |
| Theme | Quantum computing | Semiconductors |
| In the S&P 500 | 35.6% | 84.0% |
| Active share vs the S&P 500 | 83.5% | 80.8% |
| In the Nasdaq-100 | 27.8% | 81.7% |
| Holdings | 86 | 30 |
| Top ten, share of the fund | 17.0% | 63.4% |
| Expense ratio | 0.40% | 0.19% |
| Fee for the differing part | 0.48% | 0.24% |
| Total return, 1 year | +58.6% | +107.9% |
| vs the S&P 500 | +38.7 pts | +87.9 pts |
| vs the Nasdaq-100 | +33.0 pts | +82.3 pts |
| Below its high | −12.2% | −19.7% |
QTUM in plain words
By weight, 36% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 17% of the fund across 86 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +58.6% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 38.7 pts. It sits 12.2% below its all-time high of Jun 2, 2026.
SOXQ in plain words
By weight, 84% of SOXQ's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 81%. The top ten holdings are 63% of the fund across 30 positions, as filed for May 31, 2026. Over the year to Sep 4, 2026 the fund returned +107.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 87.9 pts. It sits 19.7% below its all-time high of Jun 22, 2026.
Questions people ask
- Do QTUM and SOXQ hold the same stocks?
- By their latest filings, 26% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, QTUM or SOXQ?
- QTUM has 36% of its weight in S&P 500 names and SOXQ has 84%, so QTUM differs more from the index.
- Which is cheaper, QTUM or SOXQ?
- QTUM charges 0.40% a year and SOXQ charges 0.19%, so SOXQ 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, QTUM against SOXQ, data as of Sep 4, 2026. https://etfiq.com/compare/themes/QTUM-SOXQ.html Free to use with attribution; the underlying files are at Open data.