ETF comparison
SOXX vs XLK
Semiconductors vs Technology.
iShares Semiconductor ETF · State Street Technology Select Sector SPDR ETF
Holdings overlap
18 positions appear in both funds. Buying equal dollars of SOXX and XLK would leave roughly 41.9% 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 25 bps cheaper than SOXX. On a $100,000 position that's about $250/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
18 shared in total| # | Holding | In SOXX | In XLK | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp. | 6.81% | 14.65% | 6.81% |
| 2 | Micron Technology, Inc. | 8.54% | 5.42% | 5.42% |
| 3 | Broadcom, Inc. | 6.08% | 5.41% | 5.41% |
| 4 | Advanced Micro Devices, Inc. | 8.09% | 5.28% | 5.28% |
| 5 | Intel Corp. | 6.33% | 3.68% | 3.68% |
| 6 | Applied Materials, Inc. | 5.77% | 3.20% | 3.20% |
| 7 | Lam Research Corp. | 4.89% | 3.02% | 3.02% |
| 8 | KLA Corp. | 5.64% | 2.20% | 2.20% |
| 9 | Texas Instruments, Inc. | 3.50% | 1.51% | 1.51% |
| 10 | Marvell Technology, Inc. | 5.22% | 1.45% | 1.45% |
| 11 | QUALCOMM, Inc. | 2.65% | 1.09% | 1.09% |
| 12 | Analog Devices, Inc. | 3.45% | 1.08% | 1.08% |
Only in SOXX
12 total- Taiwan Semiconductor Manufacturing Co. Ltd. 4.26%
- Astera Labs, Inc. 3.02%
- ASML Holding NV 2.30%
- Credo Technology Group Holding Ltd. 2.01%
- Entegris, Inc. 1.22%
- ASE Technology Holding Co. Ltd. 1.22%
- MACOM Technology Solutions Holdings, Inc. 1.17%
- United Microelectronics Corp. 1.02%
- ARM Holdings plc 0.79%
- STMicroelectronics NV 0.79%
Only in XLK
56 total- Apple Inc 12.85%
- Microsoft Corp 8.38%
- Cisco Systems Inc 2.58%
- Sandisk Corp 1.88%
- Palo Alto Networks Inc 1.54%
- Palantir Technologies Inc 1.49%
- International Business Machines Corp 1.47%
- Oracle Corp 1.39%
- Western Digital Corp 1.23%
- Amphenol Corp 1.21%
Related comparisons
More comparisons with SOXX
More comparisons with XLK
- XLK vs AIQ · Global X Artificial Intelligence & Technology ETF 41.2%
- XLK vs PSI · Invesco Semiconductors ETF 30.1%
- XLK vs QTUM · Defiance Quantum ETF 23.2%
- XLK vs IGV · iShares Expanded Tech-Software Sector ETF 19.6%
- XLK vs XSD · State Street SPDR S&P Semiconductor ETF 19.0%
- XLK vs CIBR · First Trust NASDAQ Cybersecurity ETF 16.6%
Percentages are holdings overlap with the named fund.
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.