etf overlap · light overlap

iShares Core S&P 500 ETF logoiShares Semiconductor ETF logoIVV vs SOXX overlap

17% of IVV and SOXX is the same money, spread over 17 companies both funds hold.

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

overlapfull holdings, by weight
17%of each fund is money the other holds at the same weight, across 17 shared companies.
IVV
17%82%
SOXX
17%64%19%
  • 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 17
companyIVVSOXX
NVIDIA logoNVDANVIDIA8.18%7.29%
KLA logoKLACKLA0.37%3.82%
MRMRVLMARVELL TECHNOLOGY0.34%4.39%
QUALCOMM logoQCOMQUALCOMM0.31%4.08%
MPMPWRMONOLITHIC POWER SYSTEMS INC0.10%3.14%
TERADYNE logoTERTERADYNE0.09%2.98%
02Different

What only one of them gives you

only in IVV486 names
ALPHABET CLASS C logoGOOGALPHABET CLASS C2.42%
only in SOXX13 names
SKSKHYSK HYNIX AMERICAN DEPOSITARY SHARE3.11%
ALALABASTERA LABS2.54%
CREDO TECHNOLOGY GROUP HOLDING LTD logoCRDOCREDO TECHNOLOGY GROUP HOLDING LTD1.64%
ASASMLASML HOLDING ADR REPRESENTING1.39%
TSTSEMTOWER SEMICONDUCTOR1.13%
ENENTGENTEGRIS INC1.12%
MTMTSIMACOM TECHNOLOGY SOLUTIONS1.00%
03Sectors

Where each fund puts its money

sectorsIVV vs SOXX, share of each fund
Information Technology39.15%99.84%
Financials11.56%0.00%
Communication Services10.06%0.00%
Health Care9.27%0.00%
Consumer Discretionary8.65%0.00%
Industrials8.07%0.00%
Consumer Staples4.39%0.00%
Energy3.42%0.00%
Utilities1.86%0.00%
Materials1.72%0.00%
Real Estate1.72%0.00%
04Questions

IVV and SOXX: what people ask

questions4 answered

How much do IVV and SOXX overlap?

17% by weight, as of September 24, 2026: light overlap. 17 companies appear in both funds; they make up 18% of IVV and 81% of SOXX.

Which stocks do IVV and SOXX both hold?

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

Is it redundant to hold both IVV and SOXX?

Out of every $100 split evenly between them, about $17 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 486 names only in IVV, 13 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 iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold IVV 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.