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IGF vs RBLD: which is really different?

IGF and RBLD hold 19% of their weight in the same names, and RBLD returned +13.7% over the year. iShares Global Infrastructure ETF and First Trust Alerian U.S. NextGen Infrastructure ETF.

IGF costs 0.28 points a year less; their one-year returns differ by 8.4 points; IGF is far larger, $10.3bn against $42m.

IGFRBLD
Expense ratio0.37%0.65%
Net assets, as of Oct 8, 2026$10.3bn$42m
Total return, 1 year+5.3%+13.7%
What it tracksInfrastructureInfrastructure
Holdings in common19%
S&P 500, total return, 1 year+17.3%
Against the S&P 500, 1 yearbehind by 11.9 ptsbehind by 3.5 pts
Below its all-time high8.3%, high on Feb 27, 20265.2%, high on Jun 25, 2026

Holdings in common uses holdings dated Oct 8, 2026.

31.9%
IGF in the S&P 500
81.8%
RBLD in the S&P 500
+5.3%
IGF total return, 1 year
+13.7%
RBLD total return, 1 year
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.

RBLD · 1 year to Oct 9, 202618% of its weight is outside the S&P 500
18% of its weight is outside the S&P 50082% of RBLD's weight is in S&P 500 companies and 18% is outside the index. Holdings as of Oct 8, 2026.82%18%of its weight in S&P 500 companiesoutside the S&P 500active share 92% · top ten 13% of the fund · 101 holdings as published by its issuer for Oct 8, 2026 · Nasdaq-100: 8% in18% of its weight is outside the S&P 50082% of RBLD's weight is in S&P 500 companies and 18% is outside the index. Holdings as of Oct 8, 2026.82%18%in the S&P 50018% of its weight outside the S&P 500active share 92% · Nasdaq-100: 8% in

82% of RBLD's weight is in S&P 500 companies and 18% 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, IGF and RBLD hold 19% 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

19% in common

Positions both hold, largest shared weight first
Holding IGF RBLD
CONSTELLATION ENERGY CORP 2.73% 1.19%
CHENIERE ENERGY 2.00% 1.11%
TARGA RESOURCES 2.15% 1.11%
ONEOK 1.98% 1.06%
KINDER MORGAN 2.20% 1.04%
VISTRA 1.43% 1.03%
CONSOLIDATED EDISON 1.14% 1.01%
WILLIAMS 3.08% 1.00%
DUKE ENERGY CORP 2.65% 0.98%
XCEL ENERGY INC 1.33% 0.97%
AMERICAN ELECTRIC POWER INC 1.94% 0.96%
PEMBINA PIPELINE 0.96% 1.00%
Only in IGF
TRANSURBAN GROUP STAPLED UNITS 4.83%
AENA SME SA 4.73%
IBERDROLA 4.14%
GRUPO AEROPORTUARIO DEL PACIFICO A 3.63%
ENBRIDGE 3.60%
AUCKLAND INTERNATIONAL AIRPORT 3.55%
GETLINK 2.88%
NATIONAL GRID PLC 2.23%
Only in RBLD
Okta, Inc. 1.55%
Snowflake Inc. (Class A) 1.34%
Twilio Inc. (Class A) 1.32%
Cloudflare, Inc. (Class A) 1.30%
Freeport-McMoRan Inc. 1.23%
Emerson Electric Co. 1.21%
Nordson Corporation 1.19%
Nucor Corporation 1.16%

19% 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
WindowIGFRBLDIGFRBLDIGFRBLD
3 months−6.2%−3.6%−9.6 pts−6.9 pts−9.9 pts−7.2 pts
6 months−7.3%+0.8%−22.4 pts−14.3 pts−30.5 pts−22.4 pts
1 year+5.3%+13.7%−11.9 pts−3.5 pts−18.2 pts−9.9 pts
3 years+62.1%+74.0%−23.6 pts−11.8 pts−45.1 pts−33.3 pts
Since launch
IGF Dec 2007 · RBLD Oct 2008
+129.4%+323.0%−508.6 pts−735.4 pts−1,460.7 pts−2,277.8 pts

Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

IGF
iShares Global Infrastructure ETF · Holds 78 stocks in infrastructure, 32% of its weight in S&P 500 companies
RBLD
First Trust Alerian U.S. NextGen Infrastructure ETF · Holds 101 stocks in infrastructure, 82% of its weight in S&P 500 companies
Issuer iShares First Trust
Theme Infrastructure Infrastructure
In the S&P 500 31.9% 81.8%
Active share vs the S&P 500 98.3% 91.8%
In the Nasdaq-100 7.2% 8.0%
Holdings 78 101
Top ten, share of the fund 38.0% 12.6%
Expense ratio 0.37% 0.65%
Fee for the differing part 0.38% 0.71%
Total return, 1 year +5.3% +13.7%
vs the S&P 500 −11.9 pts −3.5 pts
vs the Nasdaq-100 −18.2 pts −9.9 pts
Below its high −8.3% −5.2%
Net assets, as of Oct 8, 2026 $10.3bn $42m

As of Oct 9, 2026. Source: ETFIQ.

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.

RBLD in plain words

By weight, 82% of RBLD'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 13% of the fund across 101 positions, as published by its issuer for Oct 8, 2026. Over the year to Oct 9, 2026 the fund returned +13.7% with distributions reinvested against +17.3% for the S&P 500, so a holder was behind by 3.5 pts. It sits 5.2% below its all-time high of Jun 25, 2026.

Questions people ask

Do IGF and RBLD hold the same stocks?
By their latest filings, 19% 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, IGF or RBLD?
IGF has 32% of its weight in S&P 500 names and RBLD has 82%, so IGF differs more from the index.
Which is cheaper, IGF or RBLD?
IGF charges 0.37% a year and RBLD charges 0.65%, so IGF is cheaper. Fees come from each fund's prospectus.
Other comparisons
IGF vs RIFRIGF vs CSIOIGF vs GLIXIGF vs NFRXRBLD vs BLDXRBLD vs BILTRBLD vs RIFRRBLD vs IPAV
IGF on its own →RBLD on its own →How every figure is computed →Standards and sources →
Where these figures came from
IGF filings on SEC EDGAR ↗iShares page for IGF ↗RBLD filings on SEC EDGAR ↗RBLD prospectus with the expense ratio (SEC) ↗First Trust page for RBLD ↗

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

Open data

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