ETF comparison
SOXX vs XLK
Semiconductors vs Technology.
iShares Semiconductor ETF · State Street Technology Select Sector SPDR ETF
Holdings overlap
17 positions appear in both funds. Buying equal dollars of SOXX and XLK would leave roughly 34.6% 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 26 bps cheaper than SOXX. On a $100,000 position that's about $260/yr more in fees for SOXX.
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 SOXX vs XLK.
Top shared holdings
17 shared in total| # | Holding | In SOXX | In XLK | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp. | 8.40% | 15.50% | 8.40% |
| 2 | Broadcom, Inc. | 8.27% | 5.37% | 5.37% |
| 3 | Micron Technology, Inc. | 6.99% | 3.39% | 3.39% |
| 4 | Advanced Micro Devices, Inc. | 6.47% | 2.95% | 2.95% |
| 5 | Applied Materials, Inc. | 5.84% | 2.42% | 2.42% |
| 6 | Lam Research Corp. | 3.90% | 2.38% | 2.38% |
| 7 | Intel Corp. | 4.13% | 1.85% | 1.85% |
| 8 | KLA Corp. | 4.12% | 1.72% | 1.72% |
| 9 | Texas Instruments, Inc. | 3.91% | 1.57% | 1.57% |
| 10 | Analog Devices, Inc. | 3.82% | 1.38% | 1.38% |
| 11 | QUALCOMM, Inc. | 3.86% | 1.22% | 1.22% |
| 12 | Monolithic Power Systems, Inc. | 4.08% | 0.47% | 0.47% |
Only in SOXX
15 total- Marvell Technology, Inc. 5.17%
- ASML Holding NV 3.56%
- Taiwan Semiconductor Manufacturing Co. Ltd. 3.53%
- Entegris, Inc. 1.56%
- Credo Technology Group Holding Ltd. 1.34%
- MACOM Technology Solutions Holdings, Inc. 1.31%
- Astera Labs, Inc. 1.31%
- Nova Ltd. 1.22%
- BlackRock Funds III 1.11%
- ASE Technology Holding Co. Ltd. 0.98%
Only in XLK
57 total- Apple Inc 13.63%
- Microsoft Corp 10.05%
- Palantir Technologies Inc 2.98%
- Cisco Systems Inc 2.73%
- Oracle Corp 2.22%
- International Business Machines Corp 2.02%
- Salesforce Inc 1.56%
- Amphenol Corp 1.38%
- Palo Alto Networks Inc 1.15%
- Arista Networks Inc 1.13%
Open SOXX 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.