AIA vs IEMG overlap - what they share and where they differ
AIA and IEMG share 41.5% of their weight across 42 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 IEMG
41.5%
42 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
IEMG
iShares Core MSCI Emerging Markets ETF
Reported positions cover 97% of the fund, 2,599 positions · Aug 31, 2026
Top 10: 33.3%·Holdings of IEMG
Reported positions cover AIA 100%, IEMG 97% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IEMG vs AIA side by side
AIAiShares Asia 50 ETF
50
stock positions reported to the SEC
8.6% of its weight is in 8 names IEMG does not hold
IEMGiShares Core MSCI Emerging Markets ETF
2,599
stock positions reported to the SEC
55.5% of its weight is in 2,557 names AIA does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: AIA has 17.8 points more of it.
The figures side by side
| AIA | IEMG | |
|---|---|---|
| Filing date | Jun 30, 2026 | Aug 31, 2026 |
| Stock positions reported | 50 | 2,599 |
| Weight of the ten largest | 69.0% | 33.3% |
| Largest position | TSM 24.1% | TSM 13.2% |
| Held alone | 8 positions, 8.6% | 2,557 positions, 55.5% |
| Covered by stock positions | 100% | 97% |
Holdings they share
| Stock | In AIA | In IEMG | Counted |
|---|---|---|---|
| TSMTaiwan Semiconductor Manufacturing Company Limited | 24.09% | 13.17% | 13.17% |
| SAMSUNG ELECTRONICS CO., LTD. | 19.00% | 7.05% | 7.05% |
| SKHYSK hynix Inc. | 5.34% | 4.76% | 4.76% |
| TENCENT HOLDINGS LIMITED | 4.38% | 2.52% | 2.52% |
| BABAAlibaba Group Holding Limited | 3.50% | 1.70% | 1.70% |
| MEDIATEK INC. | 4.34% | 1.27% | 1.27% |
| DELTA ELECTRONICS, INC. | 2.40% | 0.80% | 0.80% |
| CHINA CONSTRUCTION BANK CORPORATION | 2.03% | 0.74% | 0.74% |
| HON HAI PRECISION INDUSTRY CO., LTD. | 1.93% | 0.68% | 0.68% |
| SK SQUARE CO., LTD. | 1.99% | 0.49% | 0.49% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in AIA
Only in IEMG
Questions people ask
Is AIA the same as IEMG?
41.5% of their weight sits in the same 42 holdings. AIA also reports AIAI, DBS GROUP HOLDINGS LTD, OVERSEA-CHINESE BANKING CORPORATION LIMITED, which the other does not. IEMG also reports HDB, RS, IBN, which the other does not.
How is the overlap between AIA and IEMG 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 97% of IEMG, so the number cannot exceed the smaller coverage.
Which holds more, IEMG or AIA?
AIA reports 50 stock positions and IEMG reports 2,599. 8.6% of AIA's weight sits in names IEMG does not hold, and 55.5% of IEMG's weight in names AIA does not hold. The ten largest positions are 69.0% of AIA and 33.3% of IEMG.
How do AIA and IEMG differ by sector?
The widest gap is Technology: AIA has 17.8 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.