etf overlap · little overlap

SPY vs EFA overlap
SPY and EFA hold no company in common.
Holdings as of September 24, 2026 · source: SPDR (SPY), iShares (EFA)
- same money
- same companies, extra weight
- only in this fund
What only one of them gives you
Where each fund puts its money
SPY and EFA: what people ask
How much do SPY and EFA overlap?
0.0% by weight, as of September 24, 2026: little overlap. 0 companies appear in both funds; they make up 0.0% of SPY and 0.0% of EFA.
Which stocks do SPY and EFA both hold?
None. SPY and EFA have no holding in common.
Is it redundant to hold both SPY and EFA?
Out of every $100 split evenly between them, about $0 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 504 names only in SPY, 656 only in EFA. 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 iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.
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.