Data as of . Every figure is the themes desk's own, on published data.
ARKK vs IFRA
0% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, ARKK and IFRA hold 0% of their money in the same securities at the same weight.
| Only in ARKK | Only in IFRA |
|---|---|
| TESLA INC 9.62% | CATERPILLAR INC. 4.57% |
| SPACE EXPLORATION TECHN-CL A 6.28% | NEXTERA ENERGY, INC. 3.97% |
| CIRCLE INTERNET GROUP INC 6.06% | UNION PACIFIC CORPORATION 3.88% |
| TEMPUS AI INC-CL A 5.17% | QUANTA SERVICES, INC. 3.77% |
| COINBASE GLOBAL INC -CLASS A 4.76% | CSX Corporation 3.10% |
| CRISPR THERAPEUTICS AG 4.55% | THE SOUTHERN COMPANY 2.92% |
| ROBINHOOD MARKETS INC - A 4.28% | DUKE ENERGY CORPORATION 2.67% |
| SHOPIFY INC - CLASS A 3.37% | CRH PUBLIC LIMITED COMPANY 2.51% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings as filed for Jun 30, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | IFRA | ARKK | IFRA | ARKK | IFRA | |
| 3 months | +15.8% | −3.0% | +11.1 pts | −7.7 pts | +13.7 pts | −5.1 pts |
| 6 months | +19.1% | +2.3% | +3.9 pts | −12.8 pts | −1.1 pts | −17.8 pts |
| 1 year | +14.9% | +16.3% | −5.0 pts | −3.7 pts | −10.7 pts | −9.3 pts |
| 3 years | +97.5% | +63.9% | +19.6 pts | −14.1 pts | +4.1 pts | −29.6 pts |
| Since launch | +367.8% | +173.3% | +2.5 pts | −55.9 pts | −308.1 pts | −199.2 pts |
| ARKK ARK Innovation ETF | IFRA iShares U.S. Infrastructure ETF | |
|---|---|---|
| Issuer | ARK | iShares |
| Theme | Broad innovation and megatrends | Infrastructure |
| In the S&P 500 | 37.9% | 75.7% |
| Active share vs the S&P 500 | 85.4% | 95.4% |
| In the Nasdaq-100 | 28.4% | 10.0% |
| Holdings | 47 | 161 |
| Top ten, share of the fund | 50.3% | 32.4% |
| Expense ratio | 0.75% | not published |
| Fee for the differing part | 0.88% | not published |
| Total return, 1 year | +14.9% | +16.3% |
| vs the S&P 500 | −5.0 pts | −3.7 pts |
| vs the Nasdaq-100 | −10.7 pts | −9.3 pts |
| Below its high | −44.2% | −7.5% |
ARKK in plain words
By weight, 38% 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 50% of the fund across 47 positions, as filed for Sep 4, 2026. Over the year to Sep 4, 2026 the fund returned +14.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 5.0 pts. It sits 44.2% below its all-time high of Feb 12, 2021.
IFRA in plain words
By weight, 76% of IFRA'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 32% of the fund across 161 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +16.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 3.7 pts. It sits 7.5% below its all-time high of Jun 25, 2026.
Questions people ask
- Do ARKK and IFRA 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 IFRA?
- ARKK has 38% of its weight in S&P 500 names and IFRA has 76%, so IFRA differs more from the index.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, ARKK against IFRA, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-IFRA.html Free to use with attribution; the underlying files are at Open data.