COPX vs SPEM: Holdings Overlap
COPXGlobal X Copper Miners ETF
Global X · 39 holdings · $7.8B · as of 2026-04-30
SPEMState Street® SPDR® Portfolio Emerging Markets ETF
State Street (SPDR) · 2776 holdings · $17.4B · as of 2026-08-06
Holdings snapshots are 98 days apart (COPX: 2026-04-30, SPEM: 2026-08-06). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are COPX and SPEM?
Global X Copper Miners ETF (COPX, by Global X) holds 39 positions; State Street® SPDR® Portfolio Emerging Markets ETF (SPEM, by State Street (SPDR)) holds 2776. They have 6 holdings in common, and by portfolio weight the two funds are 0.8% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 6COPX holds 39 · SPEM holds 2776
- Weight in Shared Holdings
- COPX 21%·SPEM 1%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
33 of 39 positions (78.9% of the fund) are not held by SPEM. Showing the top 30 by weight.
Only in SPEM
2770 of 2776 positions (108.1% of the fund) are not held by COPX. Showing the top 30 by weight.
Sector Breakdown
| Sector | COPX | SPEM |
|---|---|---|
| Materials | 77.9% | 3.8% |
| Information Technology | 0.0% | 25.3% |
| Financials | 0.0% | 15.1% |
| Consumer Discretionary | 0.0% | 7.0% |
| Communication Services | 0.0% | 5.4% |
| Other Sectors | 0.0% | 8.7% |
| Unclassified | 21.9% | 43.5% |
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, 40% of SPEM).
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% |
| SPEM | +2.8% | +13.1% | +22.8% | +17.3% | +7.2% | +8.6% | 2.48% |
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 SPEM →
Shared Holdings(6)
The top 6 shared positions account for 100% of the overlap, led by FJZ, KGH and SCCO.
 FJZZijin Mining Group Co Ltd | 3.90% | 0.32% | 0.32% |
|---|---|---|---|
 KGHKGHM Polska Miedz SA | 5.81% | 0.19% | 0.19% |
 SCCOSouthern Copper Corporation COM | 4.84% | 0.16% | 0.16% |
 JIXJiangxi Copper Co Ltd | 2.66% | 0.09% | 0.09% |
 1208MMG Ltd | 2.35% | 0.03% | 0.03% |
 1258China Nonferrous Mining Corp Ltd | 1.25% | 0.00% | 0.00% |
Frequently Asked Questions
How much do COPX and SPEM overlap?
COPX and SPEM overlap by 0.8% of portfolio weight. They share 6 holdings (COPX holds 39 positions and SPEM holds 2776), based on each fund's latest SEC-reported holdings.
Is it redundant to own both COPX and SPEM?
The two portfolios are 0.8% 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 SPEM?
The largest positions held by both funds are FJZ, KGH, SCCO, JIX and 1208. Together the top 6 shared positions account for 100% of the total overlap.
What does COPX own that SPEM doesn't?
33 positions (78.9% of COPX) are unique to COPX, led by LUN, GLENPEN and 5713. In the other direction, 2770 positions (108.1% of SPEM) are unique to SPEM.