Data as of . Every figure is the themes desk's own, on published data.
QTUM vs SMH
28% 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 SMH hold 28% of their money in the same securities at the same weight.
| Holding | QTUM | SMH |
|---|---|---|
| Applied Materials Inc | 1.56% | 5.74% |
| KLA Corp | 1.51% | 5.58% |
| Teradyne Inc | 1.49% | 1.50% |
| Lam Research Corp | 1.44% | 5.32% |
| Intel Corp | 1.40% | 5.15% |
| Micron Technology Inc | 1.39% | 5.68% |
| Advanced Micro Devices Inc | 1.37% | 5.63% |
| Astera Labs Inc | 1.56% | 1.27% |
| Marvell Technology Inc | 1.26% | 4.67% |
| TSMC | 1.25% | 9.29% |
| ARM Holdings PLC | 1.23% | 1.17% |
| STMicroelectronics NV | 1.13% | 1.26% |
| Only in QTUM | Only in SMH |
|---|---|
| Arqit Quantum Inc 2.43% | ASML Holding NV 5.04% |
| Horizon Quantum Holdings LTD 2.40% | Monolithic Power Systems Inc 1.22% |
| Quantinuum Inc 1.58% | NXP Semiconductors NV 1.15% |
| MKS Inc 1.51% | Skyworks Solutions Inc 0.16% |
| Onto Innovation Inc 1.50% | |
| Nebius Group NV 1.40% | |
| BTQ Technologies Corp 1.38% | |
| Tokyo Electron Ltd 1.32% |
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.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| QTUM | SMH | QTUM | SMH | QTUM | SMH | |
| 3 months | −3.0% | −0.5% | −7.7 pts | −5.2 pts | −5.1 pts | −2.5 pts |
| 6 months | +35.5% | +49.0% | +20.3 pts | +33.8 pts | +15.3 pts | +28.8 pts |
| 1 year | +58.6% | +96.2% | +38.7 pts | +76.3 pts | +33.0 pts | +70.6 pts |
| 3 years | +196.2% | +267.0% | +118.3 pts | +189.0 pts | +102.8 pts | +173.5 pts |
| Since launch | +538.2% | +5013.0% | +337.0 pts | +4201.6 pts | +225.3 pts | +3328.9 pts |
| QTUM Defiance Quantum ETF | SMH VanEck Semiconductor ETF | |
|---|---|---|
| Issuer | Defiance | VanEck |
| Theme | Quantum computing | Semiconductors |
| In the S&P 500 | 35.6% | 82.0% |
| Active share vs the S&P 500 | 83.5% | 80.6% |
| In the Nasdaq-100 | 27.8% | 85.9% |
| Holdings | 86 | 25 |
| Top ten, share of the fund | 17.0% | 70.3% |
| Expense ratio | 0.40% | 0.35% |
| Fee for the differing part | 0.48% | 0.43% |
| Total return, 1 year | +58.6% | +96.2% |
| vs the S&P 500 | +38.7 pts | +76.3 pts |
| vs the Nasdaq-100 | +33.0 pts | +70.6 pts |
| Below its high | −12.2% | −15.2% |
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.
SMH in plain words
By weight, 82% of SMH'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 70% of the fund across 25 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +96.2% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 76.3 pts. It sits 15.2% below its all-time high of Jun 22, 2026.
Questions people ask
- Do QTUM and SMH hold the same stocks?
- By their latest filings, 28% 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 SMH?
- QTUM has 36% of its weight in S&P 500 names and SMH has 82%, so QTUM differs more from the index.
- Which is cheaper, QTUM or SMH?
- QTUM charges 0.40% a year and SMH charges 0.35%, so SMH 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 SMH, data as of Sep 4, 2026. https://etfiq.com/compare/themes/QTUM-SMH.html Free to use with attribution; the underlying files are at Open data.