IEFA vs VOOV: 1% overlap

iShares Core MSCI EAFE ETF and Vanguard S&P 500 Value ETF share 1.3% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Different holding dates. These holdings were published 27 days apart — VOOV as of 2026-06-30, the rest through 2026-07-27. Each fund is compared using its most recent file, so any trading in between shows up as a difference.

Hold both, 50/50
2.0Effective Funds

You would hold two tickers and get the diversification of 2.0. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
1.3%
IEFA expense ratio
0.07%
VOOV expense ratio
0.07%

Top shared holdings

IEFA and VOOV hold 40 of the same securities. The ten contributing most to the overlap figure:

Holdingin IEFAin VOOVΔ
PRU0.2%0.1%0.0%
ROP1.2%0.1%1.1%
DTE0.4%0.1%0.3%
ALL0.1%0.2%0.1%
DG0.3%0.1%0.2%
MRK0.1%1.1%1.0%
HBAN0.1%0.1%0.0%
EL0.2%0.1%0.2%
EQT0.1%0.1%0.1%
TSCO0.2%0.1%0.1%

Where IEFA and VOOV differ

Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.

SectorIEFAVOOVΔ
Financials24.5%15.3%+9.2pp
Information Technology11.5%20.5%9.0pp
Industrials19.6%11.4%+8.3pp
Health Care7.7%12.2%4.6pp
Energy3.8%6.6%2.9pp
Materials6.3%3.7%+2.6pp
Consumer Staples6.8%8.8%2.0pp
Consumer Discretionary8.9%10.3%1.5pp

Δ is IEFA minus VOOV, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.

What each fund holds alone

Only in IEFA
2,526 positions

96.4% of IEFA by weight, held in no part of VOOV.

Only in VOOV
398 positions

93.2% of VOOV by weight, held in no part of IEFA.

A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.

Concentration and cost

IEFAVOOV
Top 10 holdings12.3%23.8%
Positions held2,567438
Cost per $10,000 held, per year$7$7

Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.

Frequently asked

How much do IEFA and VOOV overlap?

IEFA and VOOV overlap 1.3% by portfolio weight — largely distinct portfolios. They share 40 holdings. The figure comes from current issuer holdings files (IEFA as of 2026-07-27, VOOV as of 2026-06-30).

How is the overlap between IEFA and VOOV calculated?

As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IEFA holds a stock at 6% and VOOV holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.

Is it redundant to hold both IEFA and VOOV?

That depends on your goals — we state facts, not advice. At 1.3% overlap, each fund still contributes meaningfully distinct exposure.

What does IEFA own that VOOV doesn't?

IEFA holds 2,567 positions and VOOV holds 438; 2,526 of IEFA's positions don't appear in VOOV at all, and they are 96.4% of IEFA by weight.

You probably hold more than two funds

This page compares IEFA and VOOV. Paste your whole portfolio — brokerage, 401(k), IRA — and see the overlap across every fund at once, plus what you actually own underneath them and your own Effective Funds number. Free, no account, nothing stored.

X-ray my portfolio — free →

Watch IEFA vs VOOV

We re-read both funds’ published holdings every weeknight. Leave an address and we'll tell you when what's inside actually changes.

Not sending yet — email alerts are built but switched off, and you'll be among the first when they turn on. No spam, one-click unsubscribe.

Related comparisons

Sources: issuer holdings files, IEFA as of 2026-07-27, VOOV as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.