SOXX vs XLK: how much do they overlap?

iShares Semiconductor ETF (SOXX) · Technology Select Sector SPDR ETF (XLK)

41.3%

overlap by weight · 18 shared holdings

SOXX: 30 holdings (as of 2026-03-31) · XLK: 74 holdings (as of 09-Jul-2026)

Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.

Moderate overlap

What this means

SOXX and XLK share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.

Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.

Top shared holdings

CompanyTickerin SOXXin XLK
NVIDIA Corp. NVDA 8.4% 13.18%
Broadcom, Inc. AVGO 8.27% 5.1%
Advanced Micro Devices, Inc. AMD 6.47% 4.56%
Micron Technology, Inc. MU 6.99% 4.13%
Intel Corp. INTC 4.13% 3.48%
Applied Materials, Inc. AMAT 5.84% 3.06%
Lam Research Corp. LRCX 3.9% 2.89%
KLA Corp. KLAC 4.12% 1.97%
Texas Instruments, Inc. TXN 3.91% 1.84%
Marvell Technology, Inc. MRVL 5.17% 1.4%

FAQ

How much do SOXX and XLK overlap?

SOXX and XLK have a 41.3% overlap by weight, sharing 18 holdings (out of 30 in SOXX and 74 in XLK), based on official issuer holdings as of 2026-03-31.

What does 41.3% overlap mean?

SOXX and XLK share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.

Which stocks do SOXX and XLK both hold?

The largest shared positions are NVIDIA Corp., Broadcom, Inc., Advanced Micro Devices, Inc., Micron Technology, Inc., Intel Corp.. The full list of top shared holdings with weights in each fund is shown on this page.

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