IDEV vs IEFA overlap - what they share and where they differ
IDEV and IEFA share 84.2% of their weight across 1,420 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
IDEV and IEFA
84.2%
1,420 shared positions
IDEV
iShares Core MSCI International Developed Markets ETF
Reported positions cover 97% of the fund, 1,653 positions · Apr 30, 2026
Top 10: 10.6%·Holdings of IDEV
IEFA
iShares Core MSCI EAFE ETF
Reported positions cover 97% of the fund, 1,568 positions · Apr 30, 2026
Top 10: 12.0%·Holdings of IEFA
Reported positions cover IDEV 97%, IEFA 97% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IEFA vs IDEV side by side
IDEViShares Core MSCI International Developed Markets ETF
1,653
stock positions reported to the SEC
12.5% of its weight is in 233 names IEFA does not hold
IEFAiShares Core MSCI EAFE ETF
1,568
stock positions reported to the SEC
1.5% of its weight is in 148 names IDEV does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Basic Materials: IDEV has 3.7 points more of it.
The figures side by side
| IDEV | IEFA | |
|---|---|---|
| Filing date | Apr 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 1,653 | 1,568 |
| Weight of the ten largest | 10.6% | 12.0% |
| Largest position | ASML 1.9% | ASML 2.2% |
| Held alone | 233 positions, 12.5% | 148 positions, 1.5% |
| Covered by stock positions | 97% | 97% |
Holdings they share
| Stock | In IDEV | In IEFA | Counted |
|---|---|---|---|
| ASMLASML Holding N.V. | 1.94% | 2.21% | 1.94% |
| HSBCHSBC HOLDINGS PLC | 1.09% | 1.24% | 1.09% |
| MUFGMitsubishi Corporation | 1.06% | 1.21% | 1.06% |
| ROCHE HOLDING AG | 1.04% | 1.18% | 1.04% |
| AZNASTRAZENECA PLC | 1.01% | 1.16% | 1.01% |
| NVSNovartis AG | 0.97% | 1.11% | 0.97% |
| NESTLE S.A. | 0.90% | 1.03% | 0.90% |
| SHELSHELL PLC | 0.90% | 1.02% | 0.90% |
| NODKNIPPON REIT Investment Corporation | 0.82% | 0.93% | 0.82% |
| SIEMENS AKTIENGESELLSCHAFT | 0.78% | 0.89% | 0.78% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IDEV
Only in IEFA
Questions people ask
Is IDEV the same as IEFA?
84.2% of their weight sits in the same 1,420 holdings. IDEV also reports RY, TD, SHOP, which the other does not. IEFA also reports DANIELI & C. OFFICINE MECCANICHE S.P.A., GETINGE AB (PUBL), REDEIA CORPORACION, S.A., which the other does not.
How is the overlap between IDEV and IEFA measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 97% of IDEV and 97% of IEFA, so the number cannot exceed the smaller coverage.
Which holds more, IEFA or IDEV?
IDEV reports 1,653 stock positions and IEFA reports 1,568. 12.5% of IDEV's weight sits in names IEFA does not hold, and 1.5% of IEFA's weight in names IDEV does not hold. The ten largest positions are 10.6% of IDEV and 12.0% of IEFA.
How do IDEV and IEFA differ by sector?
The widest gap is Basic Materials: IDEV has 3.7 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Other pairs with these funds
IEFA against other funds in the table
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.