IEFA vs VO: how much do they overlap?
iShares Core MSCI EAFE ETF (IEFA) · Vanguard Mid-Cap ETF (VO)
overlap by weight · 1 shared holdings
IEFA: 2549 holdings (as of 2026-04-30) · VO: 289 holdings (as of 2026-03-31)
Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.
Low overlap
What this means
IEFA and VO hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in IEFA | in VO |
|---|---|---|---|
| SUNBELT RENTALS HOLDINGS, INC. | SUNB | 0.12% | 0.29% |
FAQ
How much do IEFA and VO overlap?
IEFA and VO have a 0.1% overlap by weight, sharing 1 holdings (out of 2549 in IEFA and 289 in VO), based on official issuer holdings as of 2026-04-30.
What does 0.1% overlap mean?
IEFA and VO hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do IEFA and VO both hold?
The largest shared positions are SUNBELT RENTALS HOLDINGS, INC.. The full list of top shared holdings with weights in each fund is shown on this page.