Data as of .
COPX vs QTUM: which is really different?
QTUM holds 34.8% of its weight in S&P 500 companies and COPX 4.8%.
ETFIQ Off-Index Score: COPX scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed
What they hold in common
By the books each fund has filed, COPX and QTUM hold 0% of their money in the same securities at the same weight.
| Only in COPX | Only in QTUM |
|---|---|
| HUDBAY MINERALS INC 5.46% | Arqit Quantum Inc 1.82% |
| TECK RESOURCES LTD-CLS B 5.29% | Global Unichip Corp 1.82% |
| FIRST QUANTUM MINERALS LTD 5.12% | Horizon Quantum Holdings Ltd 1.81% |
| BHP GROUP LTD 5.02% | Cloudflare Inc 1.66% |
| GLENCORE PLC 4.99% | Elastic Nv 1.63% |
| KGHM POLSKA MIEDZ SA 4.86% | Snowflake Inc 1.63% |
| SOUTHERN COPPER CORP 4.84% | Hewlett Packard Enterprise Co 1.62% |
| FREEPORT-MCMORAN INC 4.79% | Nutanix Inc 1.58% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 11, 2026 and Sep 14, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| COPX | QTUM | COPX | QTUM | COPX | QTUM | |
| 3 months | +3.3% | −8.5% | 0.0 pts | −11.8 pts | +4.1 pts | −7.7 pts |
| 6 months | +16.3% | +35.3% | +0.3 pts | +19.3 pts | −4.4 pts | +14.6 pts |
| 1 year | +71.5% | +50.4% | +54.0 pts | +32.9 pts | +48.5 pts | +27.4 pts |
| 3 years | +152.5% | +204.4% | +74.7 pts | +126.5 pts | +57.5 pts | +109.3 pts |
| Since launch | +184.2% | +536.1% | −560.2 pts | +337.3 pts | −1369.2 pts | +225.6 pts |
| COPX Global X Copper Miners ETF Holds 41 stocks in electrification and the grid, 5% of its weight in S&P 500 companies | QTUM Defiance Quantum ETF Holds 89 stocks in quantum computing, 35% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | Defiance |
| Theme | Electrification and the grid | Quantum computing |
| In the S&P 500 | 4.8% | 34.8% |
| Active share vs the S&P 500 | 99.9% | 82.6% |
| In the Nasdaq-100 | 0.0% | 27.2% |
| Holdings | 41 | 89 |
| Top ten, share of the fund | 49.4% | 16.6% |
| Expense ratio | 0.65% | 0.40% |
| Fee for the differing part | 0.65% | 0.48% |
| Total return, 1 year | +71.5% | +50.4% |
| vs the S&P 500 | +54.0 pts | +32.9 pts |
| vs the Nasdaq-100 | +48.5 pts | +27.4 pts |
| Below its high | −8.2% | −12.5% |
COPX in plain words
By weight, 5% of COPX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 49% of the fund across 41 positions, as published by its issuer for Sep 11, 2026. Over the year to Sep 11, 2026 the fund returned +71.5% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 54.0 pts. It sits 8.2% below its all-time high of Aug 27, 2026.
QTUM in plain words
By weight, 35% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 83%. The top ten holdings are 17% of the fund across 89 positions, as published by its issuer for Sep 14, 2026. Over the year to Sep 11, 2026 the fund returned +50.4% with distributions reinvested against +17.5% for the S&P 500, so a holder was ahead by 32.9 pts. It sits 12.5% below its all-time high of Jun 2, 2026.
Questions people ask
- Which is more different from the S&P 500, COPX or QTUM?
- COPX has 5% of its weight in S&P 500 names and QTUM has 35%, so COPX differs more from the index.
- Which is cheaper, COPX or QTUM?
- COPX charges 0.65% a year and QTUM charges 0.40%, so QTUM is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, COPX against QTUM, data as of Sep 11, 2026. https://etfiq.com/compare/themes/copx-vs-qtum Free to use with attribution; the underlying files are at Open data.