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etf overlap tool · little overlap

iShares Core S&P 500 ETF logoiShares MSCI EAFE ETF logoIVV vs EFA overlap

IVV and EFA hold no company in common. Still, 66% of their money sits in the same sectors, led by Financials; they part most on Information Technology: 38% of IVV against 10% of EFA.

Holdings as of October 16, 2026 · source: iShares (IVV), iShares (EFA) · How we measured all 1,431 pairs

overlapfull holdings, by weight
0.0%of each fund is money the other holds at the same weight, across 0 shared companies.
IVV
100%
0.0% in EFA
EFA
100%
0.0% in IVV
  • 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.

Hold IVV and EFA with other funds or stocks? The free portfolio optimizer opens IVV and EFA beside the rest of what you own: the companies you hold twice, what the funds cost a year, and where the next deposit should go. No account.

01Different

What only one of them gives you

only in IVV503 names
NVIDIA logoNVDANVIDIA7.84%
APPLE logoAAPLAPPLE7.58%
MICROSOFT logoMSFTMICROSOFT5.94%
AMAZON.COM INC logoAMZNAMAZON.COM INC3.71%
ALPHABET CLASS A logoGOOGLALPHABET CLASS A3.02%
ALPHABET CLASS C logoGOOGALPHABET CLASS C2.42%
META PLATFORMS CLASS A logoMETAMETA PLATFORMS CLASS A2.37%
BROADCOM INC logoAVGOBROADCOM INC2.37%
only in EFA655 names
ASASMLASML HOLDING2.98%
HSHSBAHSBC HOLDINGS PLC1.51%
ROROPROCHE PS PAR AG1.50%
SHSHELSHELL1.41%
NONOVNNOVARTIS AG1.28%
NENESNNESTLE SA1.19%
AZAZNASTRAZENECA PLC1.16%
838306MITSUBISHI UFJ FINANCIAL GROUP1.09%
02Sectors

No stock in common, 66% in the same sectors

sectorsIVV vs EFA, share of each fund
Information Technology37.72%10.46%
Financials11.81%25.50%
Industrials8.06%18.58%
Health Care9.67%10.38%
Consumer Discretionary8.78%8.22%
Communication Services9.68%3.80%
Consumer Staples4.83%6.91%
Energy3.76%4.21%
Materials1.68%5.96%
Utilities2.00%3.77%
Real Estate1.74%1.45%
03Questions

IVV and EFA: what people ask

questions4 answered

How much do IVV and EFA overlap?

None by holdings, as of October 16, 2026: no company appears in both funds. By sector, 66% of their money sits in the same sectors, led by Financials.

Which stocks do IVV and EFA both hold?

None. IVV and EFA have no holding in common.

Is it redundant to hold both IVV and EFA?

No. Out of every $100 split evenly between them, none buys the same company. Half in each gives you 1,158 different holdings that behave like 145 equally weighted stocks, against 44 for IVV alone and 194 for EFA alone. Whether that mix suits you depends on what you want to own; 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. Sector overlap applies the same rule to the issuers' sector labels; "behaves like N equally weighted stocks" is one over the sum of the squared weights.

Hold IVV and EFA?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.