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ARKK vs IGF: which is really different?

ARKK and IGF hold 0% of their weight in the same names, and IGF returned +5.3% over the year. ARK Innovation ETF and iShares Global Infrastructure ETF.

IGF costs 0.38 points a year less; their one-year returns differ by 7.5 points; IGF is 1.5 times larger.

ARKKIGF
Expense ratio0.75%0.37%
Net assets, as of Oct 8, 2026$6.9bn$10.3bn
Total return, 1 year−2.2%+5.3%
What it tracksBroad innovation and megatrendsInfrastructure
Holdings in common0%
S&P 500, total return, 1 year+17.3%
Against the S&P 500, 1 yearbehind by 19.5 ptsbehind by 11.9 pts
Below its all-time high42.0%, high on Feb 12, 20218.3%, high on Feb 27, 2026

Holdings in common uses holdings dated Oct 8, 2026.

36.0%
ARKK in the S&P 500
31.9%
IGF in the S&P 500
−2.2%
ARKK total return, 1 year
+5.3%
IGF total return, 1 year
ARKK · 1 year to Oct 9, 202664% of its weight is outside the S&P 500
64% of its weight is outside the S&P 50036% of ARKK's weight is in S&P 500 companies and 64% is outside the index. Holdings as of Oct 8, 2026.36%64%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 85% · top ten 47% of the fund · 46 holdings as published by its issuer for Oct 8, 2026 · Nasdaq-100: 28% in64% of its weight is outside the S&P 50036% of ARKK's weight is in S&P 500 companies and 64% is outside the index. Holdings as of Oct 8, 2026.36%64%inoutside the S&P 500active share 85% · Nasdaq-100: 28% in

36% of ARKK's weight is in S&P 500 companies and 64% 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, ARKK and IGF 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 Oct 8, 2026.

half

0% in common

Positions both hold, largest shared weight first
Holding ARKK IGF
Only in ARKK
TESLA INC 9.62%
SPACE EXPLORATION TECHN-CL A 6.60%
TEMPUS AI INC-CL A 5.00%
CIRCLE INTERNET GROUP INC 4.51%
COINBASE GLOBAL INC -CLASS A 4.07%
CRISPR THERAPEUTICS AG 4.03%
OPENAI GROUP PBC SERIES C 3.97%
SHOPIFY INC - CLASS A 3.27%
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%

0% 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
WindowARKKIGFARKKIGFARKKIGF
3 months+11.7%−6.2%+8.3 pts−9.6 pts+8.0 pts−9.9 pts
6 months+29.3%−7.3%+14.2 pts−22.4 pts+6.1 pts−30.5 pts
1 year−2.2%+5.3%−19.5 pts−11.9 pts−25.8 pts−18.2 pts
3 years+123.0%+62.1%+37.2 pts−23.6 pts+15.7 pts−45.1 pts
Since launch
ARKK Oct 2014 · IGF Dec 2007
+386.2%+129.4%+14.7 pts−508.6 pts−325.4 pts−1,460.7 pts

Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

ARKK
ARK Innovation ETF · Holds 46 stocks in broad innovation and megatrends, 36% 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 ARK iShares
Theme Broad innovation and megatrends Infrastructure
In the S&P 500 36.0% 31.9%
Active share vs the S&P 500 85.0% 98.3%
In the Nasdaq-100 28.3% 7.2%
Holdings 46 78
Top ten, share of the fund 47.4% 38.0%
Expense ratio 0.75% 0.37%
Fee for the differing part 0.88% 0.38%
Total return, 1 year −2.2% +5.3%
vs the S&P 500 −19.5 pts −11.9 pts
vs the Nasdaq-100 −25.8 pts −18.2 pts
Below its high −42.0% −8.3%
Net assets, as of Oct 8, 2026 $6.9bn $10.3bn

As of Oct 9, 2026. Source: ETFIQ.

ARKK in plain words

By weight, 36% of ARKK's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 85%. The top ten holdings are 47% of the fund across 46 positions, as published by its issuer for Oct 9, 2026. Over the year to Oct 9, 2026 the fund returned −2.2% with distributions reinvested against +17.3% for the S&P 500, so a holder was behind by 19.5 pts. It sits 42.0% below its all-time high of Feb 12, 2021.

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 ARKK and IGF 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, ARKK or IGF?
ARKK has 36% of its weight in S&P 500 names and IGF has 32%, so IGF differs more from the index.
Which is cheaper, ARKK or IGF?
ARKK charges 0.75% a year and IGF charges 0.37%, so IGF is cheaper. Fees come from each fund's prospectus.
Other comparisons
ARKK vs IFRAARKK vs PAVEARKK vs IBBARKK vs QTUMIGF vs XTIGF vs RIFRIGF vs RBLDIGF vs GLIX
ARKK on its own →IGF on its own →How every figure is computed →Standards and sources →
Where these figures came from
ARKK filings on SEC EDGAR ↗ARKK prospectus with the expense ratio (SEC) ↗ARK page for ARKK ↗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, ARKK against IGF, data as of Oct 9, 2026. https://etfiq.com/compare/themes/arkk-vs-igf

Open data

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