ACWX vs EFA overlap - what they share and where they differ
ACWX and EFA share 59.0% of their weight across 627 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.
ACWX and EFA
59.0%
627 shared positions
ACWX
iShares MSCI ACWI ex U.S. ETF
Reported positions cover 98% of the fund, 1,685 positions · Jul 31, 2026
Top 10: 16.2%·Holdings of ACWX
EFA
iShares MSCI EAFE ETF
Reported positions cover 98% of the fund, 628 positions · Jul 31, 2026
Top 10: 14.4%·Holdings of EFA
Reported positions cover ACWX 98%, EFA 98% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
EFA vs ACWX side by side
ACWXiShares MSCI ACWI ex U.S. ETF
1,685
stock positions reported to the SEC
39.2% of its weight is in 1,058 names EFA does not hold
EFAiShares MSCI EAFE ETF
628
stock positions reported to the SEC
0.0% of its weight is in 1 names ACWX does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: ACWX has 6.4 points more of it.
The figures side by side
| ACWX | EFA | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jul 31, 2026 |
| Stock positions reported | 1,685 | 628 |
| Weight of the ten largest | 16.2% | 14.4% |
| Largest position | TSM 4.9% | ASML 2.9% |
| Held alone | 1,058 positions, 39.2% | 1 positions, 0.0% |
| Covered by stock positions | 98% | 98% |
Holdings they share
| Stock | In ACWX | In EFA | Counted |
|---|---|---|---|
| ASMLASML Holding N.V. | 1.73% | 2.90% | 1.73% |
| HSBCHSBC HOLDINGS PLC | 0.98% | 1.66% | 0.98% |
| MUFGMitsubishi Corporation | 0.89% | 1.49% | 0.89% |
| ROCHE HOLDING AG | 0.87% | 1.45% | 0.87% |
| NVSNovartis AG | 0.77% | 1.30% | 0.77% |
| AZNASTRAZENECA PLC | 0.70% | 1.17% | 0.70% |
| NESTLE S.A. | 0.70% | 1.17% | 0.70% |
| SHELSHELL PLC | 0.69% | 1.17% | 0.69% |
| SIEMENS AKTIENGESELLSCHAFT | 0.66% | 1.10% | 0.66% |
| BHPBHP GROUP LIMITED | 0.58% | 0.97% | 0.58% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ACWX
Only in EFA
Questions people ask
Is ACWX the same as EFA?
59.0% of their weight sits in the same 627 holdings. ACWX also reports TSM, SAMSUNG ELECTRONICS CO., LTD., SKHY, which the other does not. EFA also reports CYBERARK SOFTWARE LTD, which the other does not.
How is the overlap between ACWX and EFA 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 ACWX and 98% of EFA, so the number cannot exceed the smaller coverage.
Which holds more, EFA or ACWX?
ACWX reports 1,685 stock positions and EFA reports 628. 39.2% of ACWX's weight sits in names EFA does not hold, and 0.0% of EFA's weight in names ACWX does not hold. The ten largest positions are 16.2% of ACWX and 14.4% of EFA.
How do ACWX and EFA differ by sector?
The widest gap is Technology: ACWX has 6.4 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.