AIA vs EWY overlap - what they share and where they differ
AIA and EWY share 30.6% of their weight across 11 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.
AIA and EWY
30.6%
11 shared positions
AIA
iShares Asia 50 ETF
Reported positions cover 100% of the fund, 50 positions · Jun 30, 2026
Top 10: 69.0%·Holdings of AIA
EWY
iShares MSCI South Korea ETF
Reported positions cover 98% of the fund, 74 positions · Aug 31, 2026
Top 10: 58.8%·Holdings of EWY
Reported positions cover AIA 100%, EWY 98% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
EWY vs AIA side by side
AIAiShares Asia 50 ETF
50
stock positions reported to the SEC
69.0% of its weight is in 39 names EWY does not hold
EWYiShares MSCI South Korea ETF
74
stock positions reported to the SEC
40.4% of its weight is in 63 names AIA does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: AIA has 18.9 points more of it.
The figures side by side
| AIA | EWY | |
|---|---|---|
| Filing date | Jun 30, 2026 | Aug 31, 2026 |
| Stock positions reported | 50 | 74 |
| Weight of the ten largest | 69.0% | 58.8% |
| Largest position | TSM 24.1% | SAMSUNG ELECTRONICS CO., LTD. 22.2% |
| Held alone | 39 positions, 69.0% | 63 positions, 40.4% |
| Covered by stock positions | 100% | 98% |
Holdings they share
| Stock | In AIA | In EWY | Counted |
|---|---|---|---|
| SAMSUNG ELECTRONICS CO., LTD. | 19.00% | 22.21% | 19.00% |
| SKHYSK hynix Inc. | 5.34% | 20.96% | 5.34% |
| SK SQUARE CO., LTD. | 1.99% | 3.17% | 1.99% |
| HYUNDAI MOTOR COMPANY | 0.87% | 1.74% | 0.87% |
| KBKB Financial Group Inc. | 0.73% | 2.10% | 0.73% |
| SHGSHINHAN FINANCIAL GROUP CO.,LTD | 0.56% | 1.66% | 0.56% |
| DOOSAN ENERBILITY CO., LTD. | 0.51% | 1.29% | 0.51% |
| HANWHA AEROSPACE CO., LTD. | 0.43% | 1.32% | 0.43% |
| KIA CORPKIA CORPORATION | 0.43% | 1.14% | 0.43% |
| CELLTRION, INC. | 0.36% | 1.15% | 0.36% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in AIA
Only in EWY
Questions people ask
Is AIA the same as EWY?
30.6% of their weight sits in the same 11 holdings. AIA also reports TSM, TENCENT HOLDINGS LIMITED, MEDIATEK INC., which the other does not. EWY also reports SAMSUNG ELECTRO-MECHANICS CO.,LTD, HANA FINANCIAL GROUP INC, SAMSUNG SDI CO., LTD., which the other does not.
How is the overlap between AIA and EWY measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of AIA and 98% of EWY, so the number cannot exceed the smaller coverage.
Which holds more, EWY or AIA?
AIA reports 50 stock positions and EWY reports 74. 69.0% of AIA's weight sits in names EWY does not hold, and 40.4% of EWY's weight in names AIA does not hold. The ten largest positions are 69.0% of AIA and 58.8% of EWY.
How do AIA and EWY differ by sector?
The widest gap is Technology: AIA has 18.9 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.