GDXJ vs COPX overlap
GDXJ and COPX overlap 0.7% by weight, across 2 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | GDXJ | COPX | Overlap |
|---|---|---|---|
| Wanguo Gold GROU3939 | 0.50% | 0.91% | 0.50% |
| Collective Mining Ltd.CNL | 0.18% | 0.33% | 0.18% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: GDXJ, SEC Form N-PORT, June 30, 2026; COPX, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | GDXJ | COPX |
|---|---|---|
| Bank of Montreal | $515.5M | $22.8M |
| Morgan Stanley | $235.0M | $229.7M |
| JPMorgan Chase & Co | $78.7M | $269.9M |
| Bank of America Corp. | $87.3M | $233.0M |
| UBS Group AG | $217.3M | $64.4M |
| Susquehanna International Group, LLP | $66.8M | $123.7M |
| Quadrature Capital Ltd | $134.6M | $29.8M |
| Goldman Sachs Group Inc. | $82.7M | $77.2M |
| LPL Financial LLC | $69.7M | $69.4M |
| Citigroup Inc. | $110.6M | $22.7M |
| Wells Fargo & Company | $38.5M | $66.4M |
| D. E. Shaw & Co., Inc. | $70.8M | $22.7M |
| Nearwater Capital Markets, Ltd | $44.2M | $38.5M |
| Cetera Investment Advisers | $64.8M | $7.5M |
| BNP Paribas Financial Markets | $68.5M | $314K |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: GDXJ institutional holders, COPX institutional holders.
Frequently asked questions
How much do GDXJ and COPX overlap?
0.7% by weight, with 2 holdings in common, using holdings for GDXJ as of June 30, 2026 and COPX as of July 31, 2026. The largest shared position is 3939.
Do institutions hold both GDXJ and COPX?
206 Form 13F filers report positions in both, out of 731 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.