COPX vs IEFA: how much do they overlap?
Global X Copper Miners ETF (COPX) · iShares Core MSCI EAFE ETF (IEFA)
overlap by weight · 12 shared holdings
COPX: 39 holdings (as of 2026-04-30) · IEFA: 2549 holdings (as of 2026-04-30)
Low overlap
What this means
COPX and IEFA hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in COPX | in IEFA |
|---|---|---|---|
| BHP GROUP LIMITED | — | 4.91% | 0.79% |
| GLENCORE PLC | — | 5.99% | 0.3% |
| ANTOFAGASTA PLC | — | 4.86% | 0.08% |
| Sumitomo Metal Mining Co., Ltd. | — | 5.97% | 0.06% |
| Boliden AB | — | 4.33% | 0.06% |
| SANDFIRE RESOURCES LIMITED | — | 3.01% | 0.02% |
| Aurubis AG | — | 3.66% | 0.02% |
| MITSUBISHI MATERIALS CORPORATION | — | 2.26% | 0.02% |
| Atalaya Mining Copper, S.A. | — | 0.55% | 0% |
| Develop Global Ltd | — | 0.4% | 0% |
FAQ
How much do COPX and IEFA overlap?
COPX and IEFA have a 1.4% overlap by weight, sharing 12 holdings (out of 39 in COPX and 2549 in IEFA), based on official issuer holdings as of 2026-04-30.
What does 1.4% overlap mean?
COPX and IEFA hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do COPX and IEFA both hold?
The largest shared positions are BHP GROUP LIMITED, GLENCORE PLC, ANTOFAGASTA PLC, Sumitomo Metal Mining Co., Ltd., Boliden AB. The full list of top shared holdings with weights in each fund is shown on this page.