COPX vs IDEV: Holdings Overlap
COPXGlobal X Copper Miners ETF
Global X · 39 holdings · $7.8B · as of 2026-04-30
IDEViShares Core MSCI International Developed Markets ETF
iShares · 2268 holdings · $31.8B · as of 2026-04-30
How similar are COPX and IDEV?
Global X Copper Miners ETF (COPX, by Global X) holds 39 positions; iShares Core MSCI International Developed Markets ETF (IDEV, by iShares) holds 2268. They have 17 holdings in common, and by portfolio weight the two funds are 1.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 17COPX holds 39 · IDEV holds 2268
- Weight in Shared Holdings
- COPX 64%·IDEV 2%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in COPX
22 of 39 positions (35.7% of the fund) are not held by IDEV.
Sector Breakdown
| Sector | COPX | IDEV |
|---|---|---|
| Materials | 77.9% | 6.8% |
| Financials | 0.0% | 21.8% |
| Industrials | 0.0% | 14.7% |
| Information Technology | 0.0% | 7.8% |
| Health Care | 0.0% | 7.3% |
| Other Sectors | 0.0% | 24.5% |
| Unclassified | 21.9% | 16.5% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (22% of COPX, 17% of IDEV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| COPX | +18.0% | +23.0% | +100.2% | +32.7% | +21.6% | +20.3% | 2.19% |
| IDEV | +4.4% | +14.8% | +25.5% | +18.6% | +9.7% | — | 3.08% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in COPX vs IDEV →
Shared Holdings(17)
The top 10 shared positions account for 92% of the overlap, led by BHP, GLENPEN and TECK.
 BHPBHP Group Ltd. NPV | 4.91% | 0.69% | 0.69% |
|---|---|---|---|
 GLENPENGlencore PLC | 5.99% | 0.27% | 0.27% |
 TECKTeck Resources Ltd., Class B | 4.85% | 0.09% | 0.09% |
 ANTOAntofagasta PLC | 4.86% | 0.07% | 0.07% |
 LUNLundin Mining Corp. | 6.06% | 0.06% | 0.06% |
 FMFirst Quantum Minerals Ltd. | 3.97% | 0.06% | 0.06% |
 BOLBoliden AB | 4.33% | 0.05% | 0.05% |
 5713Sumitomo Metal Mining Co. Ltd. | 5.97% | 0.05% | 0.05% |
 HBMHudbay Minerals Inc | 4.94% | 0.03% | 0.03% |
 NDAAurubis AG | 3.66% | 0.02% | 0.02% |
 CSCapstone Copper Corp | 2.58% | 0.02% | 0.02% |
 IVNIvanhoe Mines Ltd., Class A | 2.77% | 0.02% | 0.02% |
 SFRSandfire Resources Ltd | 3.01% | 0.02% | 0.02% |
 5711Mitsubishi Materials Corp. NPV | 2.26% | 0.01% | 0.01% |
 NGEXNGEx Minerals Ltd | 1.33% | 0.01% | 0.01% |
 EROERO Copper Corp | 1.37% | 0.01% | 0.01% |
| Taseko Mines Ltd | 1.22% | 0.01% | 0.01% |
Frequently Asked Questions
How much do COPX and IDEV overlap?
COPX and IDEV overlap by 1.5% of portfolio weight. They share 17 holdings (COPX holds 39 positions and IDEV holds 2268), based on each fund's latest SEC-reported holdings.
Is it redundant to own both COPX and IDEV?
The two portfolios are 1.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of COPX and IDEV?
The largest positions held by both funds are BHP, GLENPEN, TECK, ANTO and LUN. Together the top 10 shared positions account for 92% of the total overlap.
What does COPX own that IDEV doesn't?
22 positions (35.7% of COPX) are unique to COPX, led by KGH, FCX and SCCO. In the other direction, 2251 positions (97.9% of IDEV) are unique to IDEV.