IDEV vs IEFA overlap - what they share and where they differ
IDEV and IEFA share 85.6% of their weight across 1,911 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
85.6%
1,911 shared positions
IDEV
iShares Core MSCI International Developed Markets ETF
Reported positions cover 98% of the fund, 2,125 positions · Jul 31, 2026
Top 10: 11.1%·Holdings of IDEV
IEFA
iShares Core MSCI EAFE ETF
Reported positions cover 98% of the fund, 2,405 positions · Jul 31, 2026
Top 10: 12.5%·Holdings of IEFA
Reported positions cover IDEV 98%, IEFA 98% 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
2,125
stock positions reported to the SEC
11.8% of its weight is in 214 names IEFA does not hold
IEFAiShares Core MSCI EAFE ETF
2,405
stock positions reported to the SEC
1.1% of its weight is in 494 names IDEV does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Basic Materials: IDEV has 3.4 points more of it.
The figures side by side
| IDEV | IEFA | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jul 31, 2026 |
| Stock positions reported | 2,125 | 2,405 |
| Weight of the ten largest | 11.1% | 12.5% |
| Largest position | ASML 2.2% | ASML 2.5% |
| Held alone | 214 positions, 11.8% | 494 positions, 1.1% |
| Covered by stock positions | 98% | 98% |
Holdings they share
| Stock | In IDEV | In IEFA | Counted |
|---|---|---|---|
| ASMLASML Holding N.V. | 2.19% | 2.50% | 2.19% |
| HSBCHSBC HOLDINGS PLC | 1.24% | 1.42% | 1.24% |
| MUFGMitsubishi Corporation | 1.14% | 1.28% | 1.14% |
| ROCHE HOLDING AG | 1.10% | 1.25% | 1.10% |
| NVSNovartis AG | 0.98% | 1.12% | 0.98% |
| AZNASTRAZENECA PLC | 0.88% | 1.00% | 0.88% |
| NESTLE S.A. | 0.88% | 1.00% | 0.88% |
| SHELSHELL PLC | 0.88% | 1.00% | 0.88% |
| NODKNICHIHA CORPORATION | 0.84% | 0.94% | 0.84% |
| SIEMENS AKTIENGESELLSCHAFT | 0.83% | 0.95% | 0.83% |
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?
85.6% of their weight sits in the same 1,911 holdings. IDEV also reports RY, TD, SHOP, which the other does not. IEFA also reports ATALAYA MINING COPPER, S.A., AUTOSTORE HOLDINGS LTD., BILIA AB, 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 98% of IDEV and 98% of IEFA, so the number cannot exceed the smaller coverage.
Which holds more, IEFA or IDEV?
IDEV reports 2,125 stock positions and IEFA reports 2,405. 11.8% of IDEV's weight sits in names IEFA does not hold, and 1.1% of IEFA's weight in names IDEV does not hold. The ten largest positions are 11.1% of IDEV and 12.5% of IEFA.
How do IDEV and IEFA differ by sector?
The widest gap is Basic Materials: IDEV has 3.4 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.
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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.