EWW vs IYR overlap - what they share and where they differ
EWW and IYR share 2.3% of their weight across 1 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.
EWW and IYR
2.3%
1 shared positions
EWW
iShares MSCI Mexico ETF
Reported positions cover 90% of the fund, 38 positions · May 31, 2026
Top 10: 58.2%·Holdings of EWW
IYR
iShares U.S. Real Estate ETF
Reported positions cover 99% of the fund, 60 positions · Jun 30, 2026
Top 10: 51.2%·Holdings of IYR
Reported positions cover EWW 90%, IYR 99% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IYR vs EWW side by side
EWWiShares MSCI Mexico ETF
38
stock positions reported to the SEC
88.0% of its weight is in 37 names IYR does not hold
IYRiShares U.S. Real Estate ETF
60
stock positions reported to the SEC
90.7% of its weight is in 59 names EWW does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Real Estate: IYR has 90.6 points more of it.
The figures side by side
| EWW | IYR | |
|---|---|---|
| Filing date | May 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 38 | 60 |
| Weight of the ten largest | 58.2% | 51.2% |
| Largest position | GRUPO MEXICO, S.A.B. DE C.V. 14.3% | WELL 10.8% |
| Held alone | 37 positions, 88.0% | 59 positions, 90.7% |
| Covered by stock positions | 90% | 99% |
Holdings they share
| Stock | In EWW | In IYR | Counted |
|---|---|---|---|
| PLDPrologis Property Mexico, S.A de C.V. | 2.31% | 8.72% | 2.31% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in EWW
Only in IYR
Questions people ask
Is EWW the same as IYR?
2.3% of their weight sits in the same 1 holdings. EWW also reports GRUPO MEXICO, S.A.B. DE C.V., GRUPO FINANCIERO BANORTE, S.A.B. DE C.V., AMX, which the other does not. IYR also reports WELL, SPG, EQIX, which the other does not.
How is the overlap between EWW and IYR measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 90% of EWW and 99% of IYR, so the number cannot exceed the smaller coverage.
Which holds more, IYR or EWW?
EWW reports 38 stock positions and IYR reports 60. 88.0% of EWW's weight sits in names IYR does not hold, and 90.7% of IYR's weight in names EWW does not hold. The ten largest positions are 58.2% of EWW and 51.2% of IYR.
How do EWW and IYR differ by sector?
The widest gap is Real Estate: IYR has 90.6 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
IYR 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.