Do COPP and TRFM hold the same stocks?

By their latest filings, 0% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, COPP or TRFM?

COPP has 25% of its weight in S&P 500 names and TRFM has 47%, so COPP differs more from the index.

Which is cheaper, COPP or TRFM?

COPP charges 0.66% a year and TRFM charges 0.49%, so TRFM is cheaper. Fees come from each fund's prospectus.

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COPP vs TRFM: which is really different?

COPP and TRFM hold 0% of their weight in the same names, and COPP returned +51.2% over the year. Sprott Copper Miners ETF and AAM Transformers ETF.

25.1%

COPP in the S&P 500

46.8%

TRFM in the S&P 500

+51.2%

COPP total return, 1 year

+22.2%

TRFM total return, 1 year

COPP · 1 year to Sep 30, 202675% of its weight is outside the S&P 500

25% of COPP's weight is in S&P 500 companies and 75% is outside the index

TRFM · 1 year to Sep 30, 202653% of its weight is outside the S&P 500

47% of TRFM's weight is in S&P 500 companies and 53% is outside the index

ETFIQ Off-Index Score · COPP scores higherHow much of it is not the index it is sold as an alternative to?

COPP 82.3

TRFM 9.6

0.1, the lowest in this set92.0, the highest

A percentile among the 375 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, COPP and TRFM hold 0% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Jun 30, 2026.

50%

half

0% in common

Positions both hold, largest shared weight first

Holding COPP TRFM

Only in COPP

Freeport-mcmoran Inc 25.12%

Teck Resources Ltd 10.04%

Antofagasta Plc 9.35%

Sprott Physical Copper Trust 5.22%

Kghm Polska Miedz Sa 4.89%

Southern Copper Corp 4.83%

First Quantum Minerals Ltd 4.70%

Lundin Mining Corp 4.32%

Only in TRFM

Advanced Micro Devices Inc 1.14%

Bloom Energy Corp 1.14%

Sandisk Corp/DE 1.13%

Seagate Technology Holdings PL 1.03%

Marvell Technology Inc 1.00%

Ciena Corp 0.97%

Western Digital Corp 0.96%

Texas Instruments Inc 0.90%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

0% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	COPP	TRFM	COPP	TRFM	COPP	TRFM
3 months	+10.9%	−5.0%	+8.4 pts	−7.5 pts	+8.8 pts	−7.2 pts
6 months	+14.0%	+24.8%	−3.0 pts	+7.8 pts	−12.9 pts	−2.1 pts
1 year	+51.2%	+22.2%	+35.5 pts	+6.5 pts	+27.4 pts	−1.6 pts
3 years	not published	+119.6%	not published	+34.6 pts	not published	+9.6 pts
Since launch COPP Mar 2024 · TRFM Jul 2022	+117.4%	+150.8%	+62.9 pts	+39.0 pts	+46.4 pts	−14.3 pts

COPP and TRFM over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

COPP

Sprott Copper Miners ETF · Holds 80 stocks in copper, 25% of its weight in S&P 500 companies

TRFM

AAM Transformers ETF · Holds 310 stocks in electrification and the grid, 47% of its weight in S&P 500 companies

Issuer Sprott AAM

Theme Copper Electrification and the grid

In the S&P 500 25.1% 46.8%

Active share vs the S&P 500 99.9% 79.2%

In the Nasdaq-100 0.0% 27.5%

Holdings 80 310

Top ten, share of the fund 76.1% 8.1%

Expense ratio 0.66% 0.49%

Fee for the differing part 0.66% 0.62%

Total return, 1 year +51.2% +22.2%

vs the S&P 500 +35.5 pts +6.5 pts

vs the Nasdaq-100 +27.4 pts −1.6 pts

Below its high −11.1% −6.4%

Net assets $279m $248m

COPP and TRFM on the same fields, as of Sep 30, 2026. Source: ETFIQ.

COPP in plain words

By weight, 25% of COPP'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 76% of the fund across 80 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned +51.2% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 35.5 pts. It sits 11.1% below its all-time high of Aug 25, 2026.

TRFM in plain words

By weight, 47% of TRFM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 79%. The top ten holdings are 8% of the fund across 310 positions, as filed for Apr 30, 2026. Over the year to Sep 30, 2026 the fund returned +22.2% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 6.5 pts. It sits 6.4% below its all-time high of Jun 30, 2026.

Questions people ask

Do COPP and TRFM hold the same stocks?: By their latest filings, 0% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, COPP or TRFM?: COPP has 25% of its weight in S&P 500 names and TRFM has 47%, so COPP differs more from the index.
Which is cheaper, COPP or TRFM?: COPP charges 0.66% a year and TRFM charges 0.49%, so TRFM is cheaper. Fees come from each fund's prospectus.

Other comparisons

COPP vs POWR COPP vs EMET COPP vs FPWR COPP vs GRID TRFM vs VOLT TRFM vs ZAP TRFM vs COPX TRFM vs ELFY

COPP on its own →TRFM on its own →How every figure is computed →Standards and sources →

Where these figures came from

COPP filings on SEC EDGAR ↗COPP prospectus with the expense ratio (SEC) ↗Sprott page for COPP ↗TRFM filings on SEC EDGAR ↗TRFM prospectus with the expense ratio (SEC) ↗AAM website ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.

Cite this page

ETFIQ, COPP against TRFM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/copp-vs-trfm

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.