etf overlap · moderate overlap

Technology Select Sector SPDR logoVanEck Semiconductor ETF logoXLK vs SMH overlap

46% of XLK and SMH is the same money, spread over 19 companies both funds hold.

Holdings as of September 24, 2026 · source: SPDR (XLK), VanEck (SMH)

overlapfull holdings, by weight
46%of each fund is money the other holds at the same weight, across 19 shared companies.
XLK
46%54%
SMH
46%32%21%
  • same money
  • same companies, extra weight
  • only in this fund
Overlap = the sum, over companies both funds hold, of the smaller of the two weights. Cash and derivatives excluded.
01Shared

The companies you would own twice

held by bothtop 15 of 19
companyXLKSMH
NVIDIA CORP logoNVDANVIDIA CORP15.28%19.28%
ADVANCED MICRO DEVICES logoAMDADVANCED MICRO DEVICES5.23%5.80%
BROADCOM INC logoAVGOBROADCOM INC4.69%5.25%
MICRON TECHNOLOGY INC logoMUMICRON TECHNOLOGY INC4.55%5.05%
INTEL CORP logoINTCINTEL CORP3.60%5.17%
LAM RESEARCH CORP logoLRCXLAM RESEARCH CORP2.19%4.19%
APPLIED MATERIALS INC logoAMATAPPLIED MATERIALS INC2.14%4.36%
TEXAS INSTRUMENTS INC logoTXNTEXAS INSTRUMENTS INC1.41%4.46%
KLA CORP logoKLACKLA CORP1.39%4.41%
MRMRVLMARVELL TECHNOLOGY INC1.29%4.44%
QUALCOMM INC logoQCOMQUALCOMM INC1.18%3.98%
ANALOG DEVICES INC logoADIANALOG DEVICES INC1.06%3.96%
CADENCE DESIGN SYS INC logoCDNSCADENCE DESIGN SYS INC0.50%1.89%
SYNOPSYS INC logoSNPSSYNOPSYS INC0.46%1.76%
MPMPWRMONOLITHIC POWER SYSTEMS INC0.37%1.19%
02Different

What only one of them gives you

only in XLK56 names
APPLE INC logoAAPLAPPLE INC13.79%
MICROSOFT CORP logoMSFTMICROSOFT CORP10.40%
PALANTIR TECHNOLOGIES INC A logoPLTRPALANTIR TECHNOLOGIES INC A2.52%
CISCO SYSTEMS INC logoCSCOCISCO SYSTEMS INC2.40%
PALO ALTO NETWORKS INC logoPANWPALO ALTO NETWORKS INC1.81%
CRCRWDCROWDSTRIKE HOLDINGS INC A1.51%
SNSNDKSANDISK CORP1.46%
ORACLE CORP logoORCLORACLE CORP1.37%
only in SMH6 names
Taiwan Semiconductor Manufacturing Co L logoTSMTaiwan Semiconductor Manufacturing Co L9.26%
SKSKHYVSk Hynix Inc4.51%
ASASMLAsml Holding Nv4.30%
ARARMArm Holdings Plc1.21%
ALALABAstera Labs Inc1.15%
STSTMStmicroelectronics Nv0.89%
03Sectors

Where each fund puts its money

sectorsXLK vs SMH, share of each fund
Information Technology99.93%95.43%
Not classified0.00%4.51%
04Questions

XLK and SMH: what people ask

questions4 answered

How much do XLK and SMH overlap?

46% by weight, as of September 24, 2026: moderate overlap. 19 companies appear in both funds; they make up 46% of XLK and 79% of SMH.

Which stocks do XLK and SMH both hold?

The largest shared positions are NVDA, AMD, AVGO, MU and INTC. Ranked by the smaller of the two weights, which is the part you would own twice.

Is it redundant to hold both XLK and SMH?

Out of every $100 split evenly between them, about $46 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 56 names only in XLK, 6 only in SMH. Whether that duplication is a problem depends on the mix you want; this is a description, not advice.

How is ETF overlap calculated here?

For every company held by both funds we take the smaller of its two weights and add them up. The weights come from the full holdings files SPDR and VanEck publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold XLK and SMH?Import your positions and see what your funds hold together, company by company, with the fees you pay on each.Import my portfolio

Weights come from each issuer's published holdings file and are matched company by company on their ISIN. Cash, futures and currency positions are left out. This page describes what the funds hold; it is not investment advice.