POWR vs VOLT: which is really different?

POWR and VOLT hold 37% of their weight in the same names, and VOLT returned +23.6% over the year. iShares U.S. Power Infrastructure ETF and Tema Electrification ETF.

80.5%
POWR in the S&P 500
52.8%
VOLT in the S&P 500
+2.8%
POWR total return, 1 year
+23.6%
VOLT total return, 1 year
POWR · 1 year to Sep 30, 202620% of its weight is outside the S&P 500
20% of its weight is outside the S&P 50081% of POWR's weight is in S&P 500 companies and 20% is outside the index81%20%of its weight in S&P 500 companiesoutside the S&P 500active share 97% · top ten 48% of the fund · 82 holdings filed Sep 30, 2026 · Nasdaq-100: 10% in20% of its weight is outside the S&P 50081% of POWR's weight is in S&P 500 companies and 20% is outside the index81%20%in the S&P 50020% of its weight outside the S&P 500active share 97% · top ten 48% of the fund

81% of POWR's weight is in S&P 500 companies and 20% is outside the index

VOLT · 1 year to Sep 30, 202647% of its weight is outside the S&P 500
47% of its weight is outside the S&P 50053% of VOLT's weight is in S&P 500 companies and 47% is outside the index53%47%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 97% · top ten 55% of the fund · 26 holdings filed Sep 30, 2026 · Nasdaq-100: 7% in47% of its weight is outside the S&P 50053% of VOLT's weight is in S&P 500 companies and 47% is outside the index53%47%in the S&P 500outsideactive share 97% · top ten 55% of the fund

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

ETFIQ Off-Index Score · POWR scores higherHow much of it is not the index it is sold as an alternative to?
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, POWR and VOLT hold 37% 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 Sep 30, 2026.

half

37% in common

Positions both hold, largest shared weight first
Holding POWR VOLT
EATON PLC 6.56% 6.36%
QUANTA SERVICES INC 6.50% 5.55%
NEXTERA ENERGY 5.81% 4.93%
GE VERNOVA 6.34% 4.37%
NVENT ELECTRIC PLC 3.81% 4.52%
HUBBELL INC 3.51% 4.47%
AMERICAN ELECTRIC POWER INC 2.72% 4.87%
ENTERGY CORP 1.95% 3.60%
XCEL ENERGY INC 1.86% 1.94%
POWELL INDUSTRIES INC 0.78% 5.48%
OGE ENERGY 0.40% 4.48%
IDACORP 0.32% 4.38%
Only in POWR
EQT 4.45%
SOUTHERN 4.02%
DUKE ENERGY CORP 3.75%
CONSTELLATION ENERGY CORP 3.53%
EXPAND ENERGY 2.85%
FIRST SOLAR 2.76%
DOMINION ENERGY 2.24%
VISTRA 1.84%
Only in VOLT
BEL FUSE INC 6.73%
AMPHENOL CORP 6.70%
ENERGY TRANSFER LP 5.16%
BLOOM ENERGY CORP 4.45%
ADVANCED ENERGY INDUSTRIES INC 3.99%
NISOURCE INC 3.00%
ABB LTD 2.99%
WILLIAMS COS INC/THE 2.24%

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

37% of the two portfolios are the same securities at the same weight.

Performance, window by window

Total returnvs the S&P 500vs the Nasdaq-100
WindowPOWRVOLTPOWRVOLTPOWRVOLT
3 months−11.1%−12.3%−13.6 pts−14.8 pts−13.2 pts−14.4 pts
6 months−7.6%+1.8%−24.6 pts−15.2 pts−34.5 pts−25.1 pts
1 year+2.8%+23.6%−12.9 pts+7.9 pts−20.9 pts−0.2 pts
3 years+8.7%not published−76.3 ptsnot published−101.3 ptsnot published
Since launch
POWR Feb 2012 · VOLT Dec 2024
+64.8%+40.6%−577.6 pts+12.2 pts−1207.1 pts−2.2 pts

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

On the same fields

POWR
iShares U.S. Power Infrastructure ETF · Holds 82 stocks in electrification and the grid, 80% of its weight in S&P 500 companies
VOLT
Tema Electrification ETF · Holds 26 stocks in electrification and the grid, 53% of its weight in S&P 500 companies
Issuer iShares Tema
Theme Electrification and the grid Electrification and the grid
In the S&P 500 80.5% 52.8%
Active share vs the S&P 500 96.9% 96.9%
In the Nasdaq-100 9.9% 6.8%
Holdings 82 26
Top ten, share of the fund 48.3% 54.8%
Expense ratio 0.39% 0.75%
Fee for the differing part 0.40% 0.77%
Total return, 1 year +2.8% +23.6%
vs the S&P 500 −12.9 pts +7.9 pts
vs the Nasdaq-100 −20.9 pts −0.2 pts
Below its high −13.8% −15.7%
Net assets $426m $727m

POWR and VOLT on the same fields, as of Sep 30, 2026. Source: ETFIQ.

POWR in plain words

By weight, 80% of POWR's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 97%. The top ten holdings are 48% of the fund across 82 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned +2.8% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 12.9 pts. It sits 13.8% below its all-time high of May 5, 2026.

VOLT in plain words

By weight, 53% of VOLT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 97%. The top ten holdings are 55% of the fund across 26 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned +23.6% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 7.9 pts. It sits 15.7% below its all-time high of Jun 22, 2026.

Questions people ask

Do POWR and VOLT hold the same stocks?
By their latest filings, 37% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, POWR or VOLT?
POWR has 80% of its weight in S&P 500 names and VOLT has 53%, so POWR differs more from the index.
Which is cheaper, POWR or VOLT?
POWR charges 0.39% a year and VOLT charges 0.75%, so POWR is cheaper. Fees come from each fund's prospectus.
Cite this page

ETFIQ, POWR against VOLT, data as of Sep 30, 2026. https://etfiq.com/compare/themes/powr-vs-volt

Open data

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