etf overlap · moderate overlap

Invesco QQQ Trust logoiShares Semiconductor ETF logoQQQ vs SOXX overlap

32% of QQQ and SOXX is the same money, spread over 19 companies both funds hold.

Holdings as of September 24, 2026 · source: Invesco (QQQ), iShares (SOXX)

overlapfull holdings, by weight
32%of each fund is money the other holds at the same weight, across 19 shared companies.
QQQ
32%67%
SOXX
32%52%15%
  • 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
companyQQQSOXX
NVIDIA Corp logoNVDANVIDIA Corp8.19%7.29%
Intel Corp logoINTCIntel Corp2.79%10.20%
KLA Corp logoKLACKLA Corp1.02%3.82%
MRMRVLMarvell Technology Inc0.95%4.39%
ASASMLASML Holding NV0.68%1.39%
ARARMARM Holdings PLC0.56%0.53%
MPMPWRMonolithic Power Systems Inc0.27%3.14%
02Different

What only one of them gives you

only in QQQ82 names
Alphabet Inc Class C logoGOOGAlphabet Inc Class C2.83%
SPSPCXSpace Exploration Technologies Corp2.65%
only in SOXX11 names
SKSKHYSK HYNIX AMERICAN DEPOSITARY SHARE3.11%
CREDO TECHNOLOGY GROUP HOLDING LTD logoCRDOCREDO TECHNOLOGY GROUP HOLDING LTD1.64%
TSTSEMTOWER SEMICONDUCTOR1.13%
ENENTGENTEGRIS INC1.12%
MTMTSIMACOM TECHNOLOGY SOLUTIONS1.00%
CBCBRSCEREBRAS SYSTEMS INC CLASS A0.98%
03Sectors

Where each fund puts its money

sectorsQQQ vs SOXX, share of each fund
Information Technology59.08%99.84%
Communication Services15.21%0.00%
Consumer Discretionary10.17%0.00%
Consumer Staples5.43%0.00%
Health Care3.74%0.00%
Industrials3.01%0.00%
Utilities1.01%0.00%
Materials0.90%0.00%
Energy0.46%0.00%
Not classified0.59%0.00%
04Questions

QQQ and SOXX: what people ask

questions4 answered

How much do QQQ and SOXX overlap?

32% by weight, as of September 24, 2026: moderate overlap. 19 companies appear in both funds; they make up 33% of QQQ and 85% of SOXX.

Which stocks do QQQ and SOXX both hold?

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

Is it redundant to hold both QQQ and SOXX?

Out of every $100 split evenly between them, about $32 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 82 names only in QQQ, 11 only in SOXX. 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 Invesco and iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold QQQ and SOXX?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.