Do ELFY and TRFM hold the same stocks?

By their latest filings, 13% 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, ELFY or TRFM?

ELFY has 48% of its weight in S&P 500 names and TRFM has 47%, so ELFY differs more from the index.

Which is cheaper, ELFY or TRFM?

ELFY charges 0.50% a year and TRFM charges 0.49%, so TRFM is cheaper. Fees come from each fund's prospectus.

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ELFY vs TRFM: which is really different?

ELFY and TRFM hold 13% of their weight in the same names, and TRFM returned +22.2% over the year. ALPS Electrification Infrastructure ETF and AAM Transformers ETF.

48.1%

ELFY in the S&P 500

46.8%

TRFM in the S&P 500

+8.7%

ELFY total return, 1 year

+22.2%

TRFM total return, 1 year

ELFY · 1 year to Sep 30, 202652% of its weight is outside the S&P 500

48% of ELFY's weight is in S&P 500 companies and 52% 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 · ELFY scores higherHow much of it is not the index it is sold as an alternative to?

ELFY 30.8

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, ELFY and TRFM hold 13% 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 May 31, 2026.

50%

half

13% in common

Positions both hold, largest shared weight first

Holding ELFY TRFM

Bloom Energy Corp 1.49% 1.14%

Ge Vernova Inc 0.95% 0.85%

Vertiv Holdings Co 0.98% 0.74%

Coherent Corp 1.23% 0.73%

Corning Inc 1.15% 0.72%

Keysight Technologies Inc 0.99% 0.70%

Amphenol Corp 0.93% 0.69%

Nextera Energy Inc 0.78% 0.67%

Entergy Corp 0.86% 0.61%

Rockwell Automation Inc 1.04% 0.60%

Ametek Inc 0.86% 0.57%

American Electric Power Co Inc 0.79% 0.56%

Only in ELFY

Sterling Infrastructure Inc 1.75%

Vicor Corp 1.66%

Powell Industries Inc 1.36%

Enphase Energy Inc 1.32%

Ies Holdings Inc 1.28%

Qnity Electronics Inc 1.20%

Argan Inc 1.20%

Sensata Technologies Holding Plc 1.19%

Only in TRFM

Advanced Micro Devices Inc 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%

Lumentum Holdings Inc 0.88%

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

13% 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	ELFY	TRFM	ELFY	TRFM	ELFY	TRFM
3 months	−11.6%	−5.0%	−14.1 pts	−7.5 pts	−13.7 pts	−7.2 pts
6 months	−2.8%	+24.8%	−19.7 pts	+7.8 pts	−29.6 pts	−2.1 pts
1 year	+8.7%	+22.2%	−7.0 pts	+6.5 pts	−15.1 pts	−1.6 pts
3 years	not published	+119.6%	not published	+34.6 pts	not published	+9.6 pts
Since launch ELFY Apr 2025 · TRFM Jul 2022	+49.7%	+150.8%	+1.9 pts	+39.0 pts	−17.2 pts	−14.3 pts

ELFY 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

ELFY

ALPS Electrification Infrastructure ETF · Holds 108 stocks in electrification and the grid, 48% 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 ALPS AAM

Theme Electrification and the grid Electrification and the grid

In the S&P 500 48.1% 46.8%

Active share vs the S&P 500 94.6% 79.2%

In the Nasdaq-100 3.1% 27.5%

Holdings 108 310

Top ten, share of the fund 13.9% 8.1%

Expense ratio 0.50% 0.49%

Fee for the differing part 0.53% 0.62%

Total return, 1 year +8.7% +22.2%

vs the S&P 500 −7.0 pts +6.5 pts

vs the Nasdaq-100 −15.1 pts −1.6 pts

Below its high −15.2% −6.4%

Net assets $203m $248m

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

ELFY in plain words

By weight, 48% of ELFY's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 95%. The top ten holdings are 14% of the fund across 108 positions, as filed for May 31, 2026. Over the year to Sep 30, 2026 the fund returned +8.7% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 7.0 pts. It sits 15.2% below its all-time high of Jun 2, 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 ELFY and TRFM hold the same stocks?: By their latest filings, 13% 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, ELFY or TRFM?: ELFY has 48% of its weight in S&P 500 names and TRFM has 47%, so ELFY differs more from the index.
Which is cheaper, ELFY or TRFM?: ELFY charges 0.50% a year and TRFM charges 0.49%, so TRFM is cheaper. Fees come from each fund's prospectus.

Other comparisons

ELFY vs POWR ELFY vs FPWR ELFY vs GRID ELFY vs ICOP TRFM vs ZAP TRFM vs GRID TRFM vs VOLT TRFM vs EMET

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

Where these figures came from

ELFY filings on SEC EDGAR ↗ELFY prospectus with the expense ratio (SEC) ↗ALPS website ↗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, ELFY against TRFM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/elfy-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.