Data as of . Every figure is the themes desk's own, on published data.
ARKK vs URA
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 URA hold 0% of their money in the same securities at the same weight.
| Only in ARKK | Only in URA |
|---|---|
| TESLA INC 9.62% | CAMECO CORPORATION 23.14% |
| SPACE EXPLORATION TECHN-CL A 6.28% | Oklo Inc 7.31% |
| CIRCLE INTERNET GROUP INC 6.06% | NEXGEN ENERGY LTD. 6.27% |
| TEMPUS AI INC-CL A 5.17% | URANIUM ENERGY CORP. 5.79% |
| COINBASE GLOBAL INC -CLASS A 4.76% | Joint stock company National atomic comp 4.81% |
| CRISPR THERAPEUTICS AG 4.55% | Sprott Physical Uranium Trust 4.33% |
| ROBINHOOD MARKETS INC - A 4.28% | ENERGY FUELS INCORPORATED 4.24% |
| SHOPIFY INC - CLASS A 3.37% | DAEWOO ENGINEERING & CONSTRUCTION CO., L 4.07% |
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 Apr 30, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | URA | ARKK | URA | ARKK | URA | |
| 3 months | +15.8% | +1.7% | +11.1 pts | −3.0 pts | +13.7 pts | −0.4 pts |
| 6 months | +19.1% | −5.6% | +3.9 pts | −20.7 pts | −1.1 pts | −25.7 pts |
| 1 year | +14.9% | +19.6% | −5.0 pts | −0.4 pts | −10.7 pts | −6.0 pts |
| 3 years | +97.5% | +112.1% | +19.6 pts | +34.1 pts | +4.1 pts | +18.6 pts |
| Since launch | +367.8% | −30.8% | +2.5 pts | −760.5 pts | −308.1 pts | −1465.7 pts |
| ARKK ARK Innovation ETF | URA Global X Uranium ETF | |
|---|---|---|
| Issuer | ARK | Global X |
| Theme | Broad innovation and megatrends | Nuclear and uranium |
| In the S&P 500 | 37.9% | 0.0% |
| Active share vs the S&P 500 | 85.4% | 100.0% |
| In the Nasdaq-100 | 28.4% | 0.0% |
| Holdings | 47 | 52 |
| Top ten, share of the fund | 50.3% | 66.1% |
| Expense ratio | 0.75% | 0.69% |
| Fee for the differing part | 0.88% | 0.69% |
| Total return, 1 year | +14.9% | +19.6% |
| vs the S&P 500 | −5.0 pts | −0.4 pts |
| vs the Nasdaq-100 | −10.7 pts | −6.0 pts |
| Below its high | −44.2% | −47.6% |
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.
URA in plain words
By weight, 0% of URA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 66% of the fund across 52 positions, as filed for Apr 30, 2026. Over the year to Sep 4, 2026 the fund returned +19.6% with distributions reinvested against +20.0% for the S&P 500, so a holder was about even. It sits 47.6% below its all-time high of Feb 2, 2011.
Questions people ask
- Do ARKK and URA 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 URA?
- ARKK has 38% of its weight in S&P 500 names and URA has 0%, so URA differs more from the index.
- Which is cheaper, ARKK or URA?
- ARKK charges 0.75% a year and URA charges 0.69%, so URA is cheaper. Fees come from each fund's prospectus.
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 URA, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-URA.html Free to use with attribution; the underlying files are at Open data.