ETF comparison
QTUM vs XLK
Thematic vs Technology.
Defiance Quantum ETF · State Street Technology Select Sector SPDR ETF
Holdings overlap
26 positions appear in both funds. Buying equal dollars of QTUM and XLK would leave roughly 25.3% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
XLK is 32 bps cheaper than QTUM. On a $100,000 position that's about $320/yr more in fees for QTUM.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with QTUM vs XLK.
Top shared holdings
26 shared in total| # | Holding | In QTUM | In XLK | Overlap |
|---|---|---|---|---|
| 1 | Micron Technology Inc | 1.66% | 3.39% | 1.66% |
| 2 | Lam Research Corp | 1.64% | 2.38% | 1.64% |
| 3 | Applied Materials Inc | 1.61% | 2.42% | 1.61% |
| 4 | KLA Corp | 1.54% | 1.72% | 1.54% |
| 5 | Intel Corp | 1.40% | 1.85% | 1.40% |
| 6 | Analog Devices Inc | 1.46% | 1.38% | 1.38% |
| 7 | Texas Instruments Inc | 1.38% | 1.57% | 1.38% |
| 8 | Cisco Systems Inc | 1.25% | 2.73% | 1.25% |
| 9 | NVIDIA Corp | 1.23% | 15.50% | 1.23% |
| 10 | Advanced Micro Devices Inc | 1.19% | 2.95% | 1.19% |
| 11 | Palantir Technologies Inc | 1.01% | 2.98% | 1.01% |
| 12 | IBM | 1.00% | 2.02% | 1.00% |
Only in QTUM
57 total- Tower Semiconductor Ltd 1.79%
- MKS Inc 1.77%
- STMicroelectronics NV 1.70%
- Nokia Oyj 1.67%
- Lockheed Martin Corp 1.67%
- Orange SA 1.65%
- Northrop Grumman Corp 1.59%
- Koninklijke KPN NV 1.58%
- Onto Innovation Inc 1.57%
- Lattice Semiconductor Corp 1.53%
Only in XLK
48 total- Apple Inc 13.63%
- Amphenol Corp 1.38%
- Palo Alto Networks Inc 1.15%
- Arista Networks Inc 1.13%
- Intuit Inc 1.07%
- ServiceNow Inc 0.97%
- AppLovin Corp 0.96%
- Corning Inc 0.95%
- Adobe Inc 0.89%
- Crowdstrike Holdings Inc 0.88%
Open QTUM or XLK at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.