ETF comparison
ARKK vs XLK
Thematic vs Technology.
ARK Innovation ETF · State Street Technology Select Sector SPDR ETF
Holdings overlap
5 positions appear in both funds. Buying equal dollars of ARKK and XLK would leave roughly 9.1% 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
XLK is 67 bps cheaper than ARKK. On a $100,000 position that's about $670/yr more in fees for ARKK.
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 ARKK vs XLK.
Top shared holdings
5 shared in total| # | Holding | In ARKK | In XLK | Overlap |
|---|---|---|---|---|
| 1 | ADVANCED MICRO DEVICES INC | 3.98% | 5.28% | 3.98% |
| 2 | NVIDIA CORP | 1.94% | 14.65% | 1.94% |
| 3 | PALANTIR TECHNOLOGIES INC | 3.11% | 1.49% | 1.49% |
| 4 | BROADCOM INC | 1.24% | 5.41% | 1.24% |
| 5 | TERADYNE INC | 0.96% | 0.42% | 0.42% |
Only in ARKK
39 total- TESLA INC 9.74%
- TEMPUS AI INC 4.89%
- SPACE EXPLORATION TECHNOLOGIES CORP 4.87%
- CRISPR THERAPEUTICS AG 4.73%
- SHOPIFY INC 4.36%
- COINBASE GLOBAL INC 4.17%
- CIRCLE INTERNET GROUP INC 3.90%
- ROBINHOOD MARKETS INC 3.64%
- TWIST BIOSCIENCE CORP 3.31%
- 10X GENOMICS INC 3.30%
Only in XLK
69 total- Apple Inc 12.85%
- Microsoft Corp 8.38%
- Micron Technology Inc 5.42%
- Intel Corp 3.68%
- Applied Materials Inc 3.20%
- Lam Research Corp 3.02%
- Cisco Systems Inc 2.58%
- KLA Corp 2.20%
- Sandisk Corp 1.88%
- Palo Alto Networks Inc 1.54%
Related comparisons
More comparisons with ARKK
- ARKK vs VGT · Vanguard Information Technology Index Fund ETF Shares 8.4%
- ARKK vs SKYY · First Trust Cloud Computing ETF 8.3%
- ARKK vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 5.8%
- ARKK vs ROBO · Robo Global Robotics and Automation Index ETF 5.6%
- ARKK vs BOTZ · Global X Robotics & Artificial Intelligence ETF 4.4%
- ARKK vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 3.8%
More comparisons with XLK
- XLK vs ARKF · ARK Blockchain & Fintech Innovation ETF 8.6%
- XLK vs BOTZ · Global X Robotics & Artificial Intelligence ETF 8.3%
- XLK vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 8.2%
- XLK vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 7.4%
- XLK vs FDN · First Trust Dow Jones Internet Index Fund 7.1%
- XLK vs ROBO · Robo Global Robotics and Automation Index ETF 4.4%
Percentages are holdings overlap with the named fund.
Open ARKK 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.