EFA vs IJR: 1% overlap
iShares MSCI EAFE ETF and iShares Core S&P Small-Cap ETF share 1.2% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
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.
Top shared holdings
EFA and IJR hold 11 of the same securities. The ten contributing most to the overlap figure:
| Holding | in EFA | in IJR | Δ |
|---|---|---|---|
| AIR | 0.6% | 0.3% | 0.4% |
| MC | 0.6% | 0.2% | 0.4% |
| UCB | 0.2% | 0.2% | 0.1% |
| MTX | 0.1% | 0.1% | 0.0% |
| ACA | 0.1% | 0.4% | 0.3% |
| TRN | 0.1% | 0.2% | 0.1% |
| FBK | 0.1% | 0.1% | 0.1% |
| ENR | 0.6% | 0.1% | 0.5% |
| SIG | 0.0% | 0.2% | 0.2% |
| CON | 0.0% | 0.2% | 0.2% |
Where EFA and IJR 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.
| Sector | EFA | IJR | Δ |
|---|---|---|---|
| Financials | 25.8% | 17.8% | +8.0pp |
| Consumer Discretionary | 8.3% | 13.8% | −5.5pp |
| Real Estate | 1.6% | 6.2% | −4.6pp |
| Consumer Staples | 7.0% | 3.8% | +3.3pp |
| Health Care | 8.0% | 10.5% | −2.5pp |
| Utilities | 4.5% | 2.3% | +2.2pp |
| Materials | 5.8% | 3.9% | +1.9pp |
| Cash and/or Derivatives | 0.6% | 2.1% | −1.5pp |
Δ is EFA minus IJR, 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
97.1% of EFA by weight, held in no part of IJR.
95.8% of IJR by weight, held in no part of EFA.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| EFA | IJR | |
|---|---|---|
| Top 10 holdings | 14.5% | 6.6% |
| Positions held | 678 | 603 |
| Cost per $10,000 held, per year | $33 | $6 |
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 EFA and IJR overlap?
EFA and IJR overlap 1.2% by portfolio weight — largely distinct portfolios. They share 11 holdings. The figure comes from current issuer holdings files (EFA as of 2026-07-23, IJR as of 2026-07-23).
How is the overlap between EFA and IJR calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If EFA holds a stock at 6% and IJR 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 EFA and IJR?
That depends on your goals — we state facts, not advice. At 1.2% overlap, each fund still contributes meaningfully distinct exposure.
What does EFA own that IJR doesn't?
EFA holds 678 positions and IJR holds 603; 666 of EFA's positions don't appear in IJR at all, and they are 97.1% of EFA by weight.
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Related comparisons
Sources: issuer holdings files, EFA as of 2026-07-23, IJR as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.