ETF comparison
ARKQ vs QTUM
Both Thematic.
ARK Autonomous Technology & Robotics ETF · Defiance Quantum ETF
Holdings overlap
10 positions appear in both funds. Buying equal dollars of ARKQ and QTUM would leave roughly 10.5% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
QTUM is 35 bps cheaper than ARKQ. On a $100,000 position that's about $350/yr more in fees for ARKQ.
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 ARKQ vs QTUM.
Top shared holdings
10 shared in total| # | Holding | In ARKQ | In QTUM | Overlap |
|---|---|---|---|---|
| 1 | TERADYNE INC | 6.64% | 1.48% | 1.48% |
| 2 | ADVANCED MICRO DEVICES INC | 6.16% | 1.36% | 1.36% |
| 3 | TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD | 3.61% | 1.24% | 1.24% |
| 4 | BROADCOM INC | 1.72% | 1.08% | 1.08% |
| 5 | AMAZON.COM INC | 3.79% | 1.06% | 1.06% |
| 6 | NVIDIA CORP | 3.25% | 1.06% | 1.06% |
| 7 | BAIDU INC | 1.14% | 1.03% | 1.03% |
| 8 | PALANTIR TECHNOLOGIES INC | 3.78% | 0.95% | 0.95% |
| 9 | SYNOPSYS INC | 0.93% | 1.03% | 0.93% |
| 10 | ALPHABET INC | 0.30% | 1.07% | 0.30% |
Only in ARKQ
30 total- TESLA INC 9.75%
- SPACE EXPLORATION TECHNOLOGIES CORP 5.90%
- KRATOS DEFENSE & SECURITY SOLUTIONS INC 5.81%
- ALPHABET INC 5.15%
- ROCKET LAB CORP 3.36%
- L3HARRIS TECHNOLOGIES INC 3.33%
- DEERE & COMPANY 3.33%
- AEROVIRONMENT INC 2.73%
- ARCHER AVIATION INC (NEW) 2.30%
- TRIMBLE INC 2.10%
Only in QTUM
76 total- Arqit Quantum Inc 2.41%
- Horizon Quantum Holdings LTD 2.38%
- Quantinuum Inc 1.57%
- Astera Labs Inc 1.55%
- Applied Materials Inc 1.55%
- KLA Corp 1.50%
- MKS Inc 1.50%
- Onto Innovation Inc 1.49%
- Lam Research Corp 1.43%
- Nebius Group NV 1.39%
Related comparisons
More comparisons with ARKQ
- ARKQ vs FDN · First Trust Dow Jones Internet Index Fund 10.0%
- ARKQ vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 7.9%
- ARKQ vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 3.9%
- ARKQ vs LIT · Global X Lithium & Battery Tech ETF 3.8%
- ARKQ vs SKYY · First Trust Cloud Computing ETF 3.8%
- ARKQ vs MOO · VanEck Agribusiness ETF 3.3%
More comparisons with QTUM
- QTUM vs ARKW · ARK Next Generation Technology ETF 10.5%
- QTUM vs ARKK · ARK Innovation ETF 9.8%
- QTUM vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 9.7%
- QTUM vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 8.3%
- QTUM vs FDN · First Trust Dow Jones Internet Index Fund 7.9%
- QTUM vs CIBR · First Trust NASDAQ Cybersecurity ETF 7.4%
Percentages are holdings overlap with the named fund.
Open ARKQ or QTUM 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.