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GRID vs IGF: which is really different?

GRID and IGF hold 3% of their weight in the same names, and GRID returned +19.5% over the year. First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund and iShares Global Infrastructure ETF.

IGF costs 0.19 points a year less; their one-year returns differ by 14.2 points; GRID is 1.2 times larger.

GRIDIGF
Expense ratio0.56%0.37%
Net assets, as of Oct 8, 2026$12.0bn$10.3bn
Total return, 1 year+19.5%+5.3%
What it tracksElectrification and the gridInfrastructure
Holdings in common3%
S&P 500, total return, 1 year+17.3%
Against the S&P 500, 1 yearahead by 2.3 ptsbehind by 11.9 pts
Active share vs the S&P 50092%
Below its all-time high8.9%, high on May 11, 20268.3%, high on Feb 27, 2026

Holdings in common uses holdings dated Oct 8, 2026.

40.5%
GRID in the S&P 500
31.9%
IGF in the S&P 500
+19.5%
GRID total return, 1 year
+5.3%
IGF total return, 1 year
GRID · 1 year to Oct 9, 202660% of its weight is outside the S&P 500
60% of its weight is outside the S&P 50041% of GRID's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Oct 8, 2026.41%60%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 93% · top ten 58% of the fund · 123 holdings as published by its issuer for Oct 8, 2026 · Nasdaq-100: 9% in60% of its weight is outside the S&P 50041% of GRID's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Oct 8, 2026.41%60%in the S&P 500outside the S&P 500active share 93% · Nasdaq-100: 9% in

41% of GRID's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Oct 8, 2026.

IGF · 1 year to Oct 9, 202668% of its weight is outside the S&P 500
68% of its weight is outside the S&P 50032% of IGF's weight is in S&P 500 companies and 68% is outside the index. Holdings as of Oct 8, 2026.32%68%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 98% · top ten 38% of the fund · 78 holdings as published by its issuer for Oct 8, 2026 · Nasdaq-100: 7% in68% of its weight is outside the S&P 50032% of IGF's weight is in S&P 500 companies and 68% is outside the index. Holdings as of Oct 8, 2026.32%68%inoutside the S&P 500active share 98% · Nasdaq-100: 7% in

32% of IGF's weight is in S&P 500 companies and 68% is outside the index. Holdings as of Oct 8, 2026.

ETFIQ Off-Index Score · IGF scores higherHow much of it is not the index it is sold as an alternative to?
0.1, the lowest in this set92.3, the highest

A percentile among the 391 thematic ETFs with a holdings filing. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, GRID and IGF hold 3% 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 Oct 8, 2026.

half

3% in common

Positions both hold, largest shared weight first
Holding GRID IGF
National Grid Plc 3.83% 2.23%
Engie S.A. 0.20% 1.39%
SSE Plc 0.18% 1.14%
Only in GRID
Quanta Services, Inc. 8.99%
Johnson Controls International Plc 8.59%
Eaton Corporation Plc 8.41%
ABB Ltd 7.72%
Schneider Electric SE 6.82%
Prysmian SpA 3.91%
E.ON SE 3.66%
nVent Electric plc 2.99%
Only in IGF
TRANSURBAN GROUP STAPLED UNITS 4.83%
AENA SME SA 4.73%
NEXTERA ENERGY 4.70%
IBERDROLA 4.14%
GRUPO AEROPORTUARIO DEL PACIFICO A 3.63%
ENBRIDGE 3.60%
AUCKLAND INTERNATIONAL AIRPORT 3.55%
WILLIAMS 3.08%

3% 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
WindowGRIDIGFGRIDIGFGRIDIGF
3 months−1.9%−6.2%−5.3 pts−9.6 pts−5.6 pts−9.9 pts
6 months+2.3%−7.3%−12.9 pts−22.4 pts−20.9 pts−30.5 pts
1 year+19.5%+5.3%+2.3 pts−11.9 pts−4.0 pts−18.2 pts
3 years+98.8%+62.1%+13.1 pts−23.6 pts−8.4 pts−45.1 pts
Since launch
GRID Nov 2009 · IGF Dec 2007
+621.8%+129.4%−223.3 pts−508.6 pts−1,223.8 pts−1,460.7 pts

Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

GRID
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund · Holds 123 stocks in electrification and the grid, 40% of its weight in S&P 500 companies
IGF
iShares Global Infrastructure ETF · Holds 78 stocks in infrastructure, 32% of its weight in S&P 500 companies
Issuer First Trust iShares
Theme Electrification and the grid Infrastructure
In the S&P 500 40.5% 31.9%
Active share vs the S&P 500 92.5% 98.3%
In the Nasdaq-100 8.5% 7.2%
Holdings 123 78
Top ten, share of the fund 57.5% 38.0%
Expense ratio 0.56% 0.37%
Fee for the differing part 0.61% 0.38%
Total return, 1 year +19.5% +5.3%
vs the S&P 500 +2.3 pts −11.9 pts
vs the Nasdaq-100 −4.0 pts −18.2 pts
Below its high −8.9% −8.3%
Net assets, as of Oct 8, 2026 $12.0bn $10.3bn

As of Oct 9, 2026. Source: ETFIQ.

GRID in plain words

By weight, 40% of GRID's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 58% of the fund across 123 positions, as published by its issuer for Oct 8, 2026. Over the year to Oct 9, 2026 the fund returned +19.5% with distributions reinvested against +17.3% for the S&P 500, so a holder was ahead by 2.3 pts. It sits 8.9% below its all-time high of May 11, 2026.

IGF in plain words

By weight, 32% of IGF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 38% of the fund across 78 positions, as published by its issuer for Oct 8, 2026. Over the year to Oct 9, 2026 the fund returned +5.3% with distributions reinvested against +17.3% for the S&P 500, so a holder was behind by 11.9 pts. It sits 8.3% below its all-time high of Feb 27, 2026.

Questions people ask

Do GRID and IGF hold the same stocks?
By their latest filings, 3% 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, GRID or IGF?
GRID has 40% of its weight in S&P 500 names and IGF has 32%, so IGF differs more from the index.
Which is cheaper, GRID or IGF?
GRID charges 0.56% a year and IGF charges 0.37%, so IGF is cheaper. Fees come from each fund's prospectus.
Other comparisons
GRID vs IFRAGRID vs PAVEGRID vs SMHGRID vs TRFMIGF vs XMEIGF vs ITAIGF vs XBIIGF vs IGV
GRID on its own →IGF on its own →How every figure is computed →Standards and sources →
Where these figures came from
GRID filings on SEC EDGAR ↗GRID prospectus with the expense ratio (SEC) ↗First Trust page for GRID ↗IGF filings on SEC EDGAR ↗iShares page for IGF ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

It is a position in a set, not a rating, and neither end of it is a recommendation.

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

Every figure is an ETFIQ calculation with distributions reinvested.

Cite this page

ETFIQ, GRID against IGF, data as of Oct 9, 2026. https://etfiq.com/compare/themes/grid-vs-igf

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.