IDEV vs IEFA: Holdings Overlap
IDEViShares Core MSCI International Developed Markets ETF
iShares · 2268 holdings · $31.8B · as of 2026-04-30
IEFAiShares Core MSCI EAFE ETF
iShares · 2632 holdings · $193.5B · as of 2026-04-30
How similar are IDEV and IEFA?
iShares Core MSCI International Developed Markets ETF (IDEV, by iShares) holds 2268 positions; iShares Core MSCI EAFE ETF (IEFA, by iShares) holds 2632. They have 2046 holdings in common, and by portfolio weight the two funds are 86.4% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 86.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2046IDEV holds 2268 · IEFA holds 2632
- Weight in Shared Holdings
- IDEV 87%·IEFA 98%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IDEV
222 of 2268 positions (12.2% of the fund) are not held by IEFA. Showing the top 30 by weight.
Sector Breakdown
| Sector | IDEV | IEFA |
|---|---|---|
| Financials | 21.8% | 20.5% |
| Industrials | 14.7% | 16.0% |
| Health Care | 7.3% | 8.3% |
| Information Technology | 7.8% | 7.9% |
| Materials | 6.8% | 5.4% |
| Other Sectors | 24.5% | 24.3% |
| Unclassified | 16.5% | 17.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (17% of IDEV, 17% of IEFA).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IDEV | +4.4% | +14.8% | +25.5% | +18.6% | +9.7% | — | 3.08% |
| IEFA | +4.2% | +14.8% | +24.5% | +17.9% | +9.3% | +9.8% | 3.25% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IDEV vs IEFA →
Shared Holdings(2046)
The top 10 shared positions account for 12% of the overlap, led by ASML, HSBA and AZN.
 ASMLASML Holding NV | 1.94% | 2.21% | 1.94% |
|---|---|---|---|
 HSBAHSBC Holdings PLC | 1.09% | 1.24% | 1.09% |
 AZNAstraZeneca PLC ORD USD0.25 | 1.01% | 1.16% | 1.01% |
 ROPRoche Holding AG | 0.99% | 1.13% | 0.99% |
 NOVNNovartis AG (Registered) | 0.97% | 1.11% | 0.97% |
 SHELShell PLC | 0.90% | 1.02% | 0.90% |
 NESNNestle SA (Registered) | 0.90% | 1.03% | 0.90% |
 SIESiemens AG (Registered) | 0.78% | 0.89% | 0.78% |
 CBACommonwealth Bank of Australia | 0.73% | 0.83% | 0.73% |
 8306Mitsubishi UFJ Financial Group Inc. NPV | 0.70% | 0.80% | 0.70% |
 BHPBHP Group Ltd. | 0.69% | 0.79% | 0.69% |
 TTETotalEnergies SE EUR2.5 | 0.64% | 0.73% | 0.64% |
 7203Toyota Motor Corp. NPV | 0.63% | 0.71% | 0.63% |
 SANBanco Santander SA | 0.62% | 0.70% | 0.62% |
 SAPSAP SE | 0.60% | 0.69% | 0.60% |
 SUSchneider Electric SE | 0.60% | 0.69% | 0.60% |
 ALVAllianz SE (Registered) | 0.60% | 0.68% | 0.60% |
 ENRSiemens Energy AG | 0.57% | 0.65% | 0.57% |
 ABBNABB Ltd. (Registered) | 0.55% | 0.62% | 0.55% |
 IBEIberdrola SA | 0.52% | 0.59% | 0.52% |
 6501Hitachi Ltd. NPV | 0.50% | 0.57% | 0.50% |
 6857Advantest Corp. NPV | 0.49% | 0.56% | 0.49% |
 UBSGUBS Group AG (Registered) | 0.49% | 0.55% | 0.49% |
 NOVOBNovo Nordisk A/S, Class B | 0.47% | 0.54% | 0.47% |
 RR-Rolls-Royce Holdings PLC | 0.47% | 0.53% | 0.47% |
Showing the top 250 of 2046 shared holdings by overlap weight.
Frequently Asked Questions
How much do IDEV and IEFA overlap?
IDEV and IEFA overlap by 86.4% of portfolio weight. They share 2046 holdings (IDEV holds 2268 positions and IEFA holds 2632), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDEV and IEFA?
The two portfolios are 86.4% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of IDEV and IEFA?
The largest positions held by both funds are ASML, HSBA, AZN, ROP and NOVN. Together the top 10 shared positions account for 12% of the total overlap.
What does IDEV own that IEFA doesn't?
222 positions (12.2% of IDEV) are unique to IDEV, led by RY, TD and SHOP. In the other direction, 586 positions (1.6% of IEFA) are unique to IEFA.