QTUM vs XLK: holdings overlap, shared companies and scores
As of October 9, 2026, QTUM and XLK overlap 23.7% by weight. Defiance Quantum ETF (QTUM): Quantum computing and machine learning firms. State Street Technology Select Sector SPDR ETF (XLK): U.S. technology sector.
Updated October 9, 2026
Where QTUM and XLK trade against their own history
QTUM trades at 28.1 times earnings, against its own median of 23.0, and is more expensive than 85% of its own 98 monthly readings since 2018.
XLK trades at 32.8 times earnings, against its own median of 31.3, and is more expensive than 58% of its own 115 monthly readings since 2017.
What moved QTUM and XLK this week
QTUM fell 2.6% in the week to October 9, 2026. The holdings that moved it most were Arqit Quantum (−30.0%), Infleqtion (−16.0%) and Intel (−12.3%); Palantir Technologies (+10.8%) pushed the other way.
XLK fell 0.5% in the week to October 9, 2026. The holdings that moved it most were Intel (−12.3%), Nvidia (−2.0%) and Advanced Micro Devices (−4.1%); Microsoft (+3.4%) pushed the other way.
What do QTUM and XLK each hold?
What's inside QTUM: Tech 82%, Semiconductors 40%.
18% of QTUM is its ten largest holdings.
What's inside XLK: Tech 98%, Semiconductors 45%.
64% of XLK is its ten largest holdings.
How much do QTUM and XLK overlap? 23.7% by weight
As of October 9, 2026, QTUM and XLK overlap 23.7% by weight.
30% of QTUM is already inside XLK.
65% of XLK is already inside QTUM.
QTUM holds 89 companies and XLK holds 75; 25 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score QTUM and XLK? 5.3 and 7.4 out of 10
As of October 9, 2026, ETF Copilot scores QTUM 5.3 out of 10 and XLK 7.4 out of 10.
They differ most on Quality: QTUM 2.5 and XLK 9.9.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | QTUM | XLK |
|---|---|---|
| Growth | 8.7 | 9.6 |
| Value | 0.5 | 3.7 |
| Risk | 1.3 | 1.8 |
| Quality | 2.5 | 9.9 |
| Return | 9.7 | 9.7 |
XLK is the cheaper of the two at 0.08% a year
As of October 9, 2026, QTUM charges 0.40% a year, yields 0.92% and holds $5.7B in assets across 89 positions.
As of October 9, 2026, XLK charges 0.08% a year, yields 0.43% and holds $130.3B in assets across 75 positions.
| Measure | QTUM | XLK |
|---|---|---|
| Expense ratio | 0.40% | 0.08% |
| Dividend yield | 0.92% | 0.43% |
| Assets under management | $5.7B | $130.3B |
| Holdings | 89 | 75 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Compare with similar funds
Cite this
ETF Copilot, “QTUM vs XLK holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/qtum-vs-xlk
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