Data as of . Every figure is the themes desk's own, on published data.
QTUM vs XSD
19% 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 XSD hold 19% of their money in the same securities at the same weight.
| Holding | QTUM | XSD |
|---|---|---|
| Astera Labs Inc | 1.56% | 3.08% |
| Intel Corp | 1.40% | 2.75% |
| Micron Technology Inc | 1.39% | 2.73% |
| Advanced Micro Devices Inc | 1.37% | 2.71% |
| Marvell Technology Inc | 1.26% | 2.49% |
| Lattice Semiconductor Corp | 1.24% | 2.44% |
| Texas Instruments Inc | 1.13% | 2.22% |
| Microchip Technology Inc | 1.11% | 2.19% |
| Broadcom Inc | 1.09% | 2.13% |
| Analog Devices Inc | 1.08% | 2.13% |
| NVIDIA Corp | 1.07% | 2.10% |
| Rigetti Computing Inc | 1.06% | 2.09% |
| Only in QTUM | Only in XSD |
|---|---|
| Arqit Quantum Inc 2.43% | MaxLinear Inc 3.75% |
| Horizon Quantum Holdings LTD 2.40% | Allegro MicroSystems Inc 3.30% |
| Quantinuum Inc 1.58% | Ambarella Inc 2.89% |
| Applied Materials Inc 1.56% | Penguin Solutions Inc 2.74% |
| KLA Corp 1.51% | T1 Energy Inc 2.59% |
| MKS Inc 1.51% | Impinj Inc 2.45% |
| Onto Innovation Inc 1.50% | Credo Technology Group Holding Ltd 2.42% |
| Teradyne Inc 1.49% | Power Integrations Inc 2.37% |
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 | XSD | QTUM | XSD | QTUM | XSD | |
| 3 months | −3.0% | −14.0% | −7.7 pts | −18.7 pts | −5.1 pts | −16.1 pts |
| 6 months | +35.5% | +52.8% | +20.3 pts | +37.7 pts | +15.3 pts | +32.7 pts |
| 1 year | +58.6% | +71.8% | +38.7 pts | +51.8 pts | +33.0 pts | +46.2 pts |
| 3 years | +196.2% | +133.1% | +118.3 pts | +55.2 pts | +102.8 pts | +39.7 pts |
| Since launch | +538.2% | +2140.8% | +337.0 pts | +1329.5 pts | +225.3 pts | +456.8 pts |
| QTUM Defiance Quantum ETF | XSD State Street(R) SPDR(R) S&P(R) Semiconductor ETF | |
|---|---|---|
| Issuer | Defiance | State Street |
| Theme | Quantum computing | Semiconductors |
| In the S&P 500 | 35.6% | 33.4% |
| Active share vs the S&P 500 | 83.5% | 89.4% |
| In the Nasdaq-100 | 27.8% | 27.5% |
| Holdings | 86 | 47 |
| Top ten, share of the fund | 17.0% | 29.0% |
| Expense ratio | 0.40% | 0.35% |
| Fee for the differing part | 0.48% | 0.39% |
| Total return, 1 year | +58.6% | +71.8% |
| vs the S&P 500 | +38.7 pts | +51.8 pts |
| vs the Nasdaq-100 | +33.0 pts | +46.2 pts |
| Below its high | −12.2% | −24.3% |
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.
XSD in plain words
By weight, 33% of XSD's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 89%. The top ten holdings are 29% of the fund across 47 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +71.8% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 51.8 pts. It sits 24.3% below its all-time high of Jun 3, 2026.
Questions people ask
- Do QTUM and XSD hold the same stocks?
- By their latest filings, 19% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, QTUM or XSD?
- QTUM has 36% of its weight in S&P 500 names and XSD has 33%, so XSD differs more from the index.
- Which is cheaper, QTUM or XSD?
- QTUM charges 0.40% a year and XSD charges 0.35%, so XSD 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 XSD, data as of Sep 4, 2026. https://etfiq.com/compare/themes/QTUM-XSD.html Free to use with attribution; the underlying files are at Open data.