Data as of Oct 28, 2026.
ARKK vs URA: Holdings Overlap & Returns
Over the year to Oct 28, 2026, ARKK returned −3.5% to URA's −30.3%; 1% of their weight is in the same names.
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Net assets: $6.6bn on Oct 27, 2026 for ARK Innovation ETF, and $5.4bn on Oct 12, 2026 for Global X Uranium ETF.
36% of ARKK's weight is in S&P 500 companies and 64% is outside the index. Holdings as of Oct 27, 2026.
0% of URA's weight is in S&P 500 companies and 100% is outside the index. Holdings as of Jul 31, 2026.
Pair scorecard
URA costs 0.06 points a year less; their one-year returns differ by 26.8 points; ARKK is 1.2 times larger.
Points (pts) are percentage points.
| Measure | ARKK | URA |
|---|---|---|
| Return | ||
| Total return, 1 year | −3.5% | −30.3% |
| Drawdown | ||
| Below its all-time high | 44.2%, high on Feb 12, 2021 | 58.4%, high on Feb 2, 2011 |
| Against its benchmark | ||
| What it tracks | Broad innovation and megatrends | Nuclear and uranium |
| Against the S&P 500, 1 year | behind by 17.2 pts | |
| Its benchmark, total return, 1 year | +13.7% | +13.4% |
| Against its benchmark, 1 year | behind by 17.2 pts | behind by 43.7 pts |
| Cost and size | ||
| Expense ratio | 0.75% | 0.69% |
| Net assets, as of Oct 12, 2026 | $6.5bn | $5.4bn |
| Holdings | ||
| Holdings in common | 1% | |
Holdings in common uses holdings dated Jul 31, 2026 and Oct 27, 2026. Method
Risk and return
Nov 7, 2014 to Oct 23, 2026 · 624 weekly returnsEach against its own benchmark: ARKK against VOO, Nov 7, 2014 to Oct 23, 2026; URA against ACWI, Nov 12, 2010 to Oct 23, 2026.
ARKK returned more: +350.6% to +93.5%. URA swung slightly less: 36.6% to 37.4%. URA fell less at its worst: −68.5% to −80.1%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | ARKK | URA | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +350.6% | +93.5% | ARKK | Price change plus distributions, reinvested. |
| Annualized | +13.4% | +5.7% | ARKK | Total return as a yearly rate. |
| Price return | +307.5% | +30.3% | ARKK | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 37.4% | 36.6% | URA (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 24.8% | 23.9% | URA (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −80.1% | −68.5% | URA | Deepest fall from a high to the low after it. |
| Upside capture | 236.0% | 120.6% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 139.9% | 127.6% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.68 | 1.31 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.55 | 0.32 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.46 | 0.27 | ARKK | Return above Treasury bills per unit of volatility. |
| Sortino | 0.70 | 0.42 | ARKK | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.103 | 0.005 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.17 | 0.08 | ARKK | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | VOO | ACWI | The ETF each fund is measured against. | |
| Alpha | −2.7% a year | −11.7% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −0.37 | −1.54 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −17.0% to +11.6% | −26.6% to +3.2% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | 0.20 | −0.29 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 27.5% | 30.7% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 624 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, ARKK and URA hold 1% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Oct 27, 2026.
half
1% in common
Only in one fund ↓
Window by window
| Total return | vs its benchmark | |||
|---|---|---|---|---|
| Window | ARKK | URA | ARKK | URA |
| 3 months | +22.0% | −2.6% | +15.9 pts vs VOO | −7.0 pts vs ACWI |
| 6 months | +17.1% | −30.9% | +8.0 pts vs VOO | −38.3 pts vs ACWI |
| 1 year | −3.5% | −30.3% | −17.2 pts vs VOO | −43.7 pts vs ACWI |
| 3 years | +152.6% | +65.5% | +57.1 pts vs VOO | −23.4 pts vs ACWI |
| Since launchNot the same days: ARKK Oct 2014 · URA Nov 2010 | +367.2% | −45.1% | −3.5 pts vs VOO | −417.4 pts vs ACWI |
Side by side
As of Oct 28, 2026. Source: ETFIQ.
1% of the two portfolios are the same securities at the same weight.
ARKK and URA are built for the same job. How do they differ in cost, holdings and results?
- Theme. ARKK covers Broad innovation and megatrends and URA covers Nuclear and uranium.
- Concentration. The top ten holdings are 49.4% of ARKK and 63.0% of URA, a gap of 13.6 points.
- What each follows. ARKK follows Broad innovation and megatrends and URA follows Nuclear and uranium.
Data as of Oct 28, 2026.
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ARKK
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 49% of the fund across 46 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −3.5% with distributions reinvested against +13.7% for its benchmark, the S&P 500 Index, so a holder was behind by 17.2 pts. It sits 44.2% below its all-time high of Feb 12, 2021.
URA
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 63% of the fund across 57 positions, as filed for Jul 31, 2026. Over the year to Oct 28, 2026 the fund returned −30.3% with distributions reinvested against +13.4% for its benchmark, the MSCI ACWI Index, so a holder was behind by 43.7 pts. It sits 58.4% below its all-time high of Feb 2, 2011.
Questions people ask
- Do ARKK and URA hold the same stocks?
- By their latest filings, 1% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Every number is an ETFIQ calculation with distributions reinvested.
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ETFIQ, ARKK against URA, data as of Oct 28, 2026. https://etfiq.com/compare/themes/arkk-vs-ura
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