ETF comparison
ROBO vs XLK
Thematic vs Technology.
Robo Global Robotics and Automation Index ETF · State Street Technology Select Sector SPDR ETF
Holdings overlap
10 positions appear in both funds. Buying equal dollars of ROBO and XLK would leave roughly 4.4% 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 87 bps cheaper than ROBO. On a $100,000 position that's about $870/yr more in fees for ROBO.
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 ROBO vs XLK.
Top shared holdings
10 shared in total| # | Holding | In ROBO | In XLK | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 1.31% | 14.65% | 1.31% |
| 2 | QUALCOMM INCORPORATED | 0.92% | 1.09% | 0.92% |
| 3 | CADENCE DESIGN SYSTEMS, INC. | 1.19% | 0.58% | 0.58% |
| 4 | Coherent Corp. | 0.88% | 0.43% | 0.43% |
| 5 | TERADYNE, INC. | 1.67% | 0.42% | 0.42% |
| 6 | MICROCHIP TECHNOLOGY INCORPORATED | 0.97% | 0.27% | 0.27% |
| 7 | AUTODESK, INC. | 1.38% | 0.23% | 0.23% |
| 8 | PTC INC. | 1.33% | 0.07% | 0.07% |
| 9 | ZEBRA TECHNOLOGIES CORPORATION | 1.56% | 0.07% | 0.07% |
| 10 | TRIMBLE INC. | 1.35% | 0.07% | 0.07% |
Only in ROBO
70 total- AMBARELLA, INC. 2.09%
- ILLUMINA, INC. 1.92%
- ROCKWELL AUTOMATION, INC. 1.90%
- FANUC CORPORATION 1.74%
- GEA Group Aktiengesellschaft 1.72%
- Yokogawa Electric Corporation 1.71%
- EMERSON ELECTRIC CO. 1.67%
- JBT MAREL CORPORATION 1.63%
- NOVANTA INC. 1.62%
- SMC CORPORATION 1.62%
Only in XLK
64 total- Apple Inc 12.85%
- Microsoft Corp 8.38%
- Micron Technology Inc 5.42%
- Broadcom Inc 5.41%
- Advanced Micro Devices Inc 5.28%
- Intel Corp 3.68%
- Applied Materials Inc 3.20%
- Lam Research Corp 3.02%
- Cisco Systems Inc 2.58%
- KLA Corp 2.20%
Related comparisons
More comparisons with ROBO
- ROBO vs ARKW · ARK Next Generation Technology ETF 2.2%
- ROBO vs ARKG · ARK Genomic Revolution ETF 1.9%
- ROBO vs PHO · Invesco Water Resources ETF 1.5%
- ROBO vs MOO · VanEck Agribusiness ETF 1.4%
- ROBO vs ARKF · ARK Blockchain & Fintech Innovation ETF 1.3%
- ROBO vs LIT · Global X Lithium & Battery Tech ETF 0.9%
More comparisons with XLK
Percentages are holdings overlap with the named fund.
Open ROBO 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.