The most concentrated nuclear and uranium ETFs
See 10 funds ranked by the share of the fund held in its ten largest positions. Updated Oct 20, 2026. Two funds on one theme can hold ten names or two hundred. Fund names do not show which.
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| # | Ticker | Fund | Top ten weight ↓ | Holdings | Net assets | Total return, 1Y |
|---|---|---|---|---|---|---|
| 1 | URNM | Sprott Uranium Miners ETF | 81.7% | 25 | $1.7bn | −24.7% |
| 2 | URNJ | Sprott Junior Uranium Miners ETF | 73.5% | 41 | $288m | −37.7% |
| 3 | URA | Global X Uranium ETF | 63.0% | 57 | $5.4bn | −30.9% |
| 4 | TNUK | Tortoise Nuclear Renaissance ETF | 61.5% | 25 | $2m | too new |
| 5 | NLR | VanEck Uranium and Nuclear ETF | 61.1% | 25 | $3.2bn | −36.8% |
| 6 | RCTR | First Trust Bloomberg Nuclear Power ETF | 47.6% | 44 | $29m | −12.3% |
| 7 | SMRF | ALPS Nautilus SMR, Nuclear & Technology | 40.4% | 72 | $11m | too new |
| 8 | URAN | Themes Uranium & Nuclear ETF | 40.2% | 42 | $28m | −33.3% |
| 9 | NUKZ | Range Nuclear Renaissance Index ETF | 36.2% | 46 | $890m | −17.5% |
| 10 | UX | Roundhill Uranium ETF | 19.8% | 1 | $4m | +2.4% |
Method
The 10 of 10 ETFs in the nuclear and uranium theme with a filed book, most concentrated first.
The rest of the method
Across the funds listed here the weight in the ten largest runs from 19.8% to 81.7%. Concentration is not a fault. It shows how much rides on ten holdings. The list sorts one published figure, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.
ETFIQ links to the documents behind every figure; a link is not an endorsement. A ranking is not a recommendation or an opinion.
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ETFIQ, The most concentrated nuclear and uranium ETFs, ranked by the share of the fund held in its ten largest positions, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-concentrated-nuclear
ETFIQ. (Oct 20, 2026). The most concentrated nuclear and uranium ETFs, ranked by the share of the fund held in its ten largest positions. Retrieved from https://etfiq.com/rankings/themes-concentrated-nuclear
[The most concentrated nuclear and uranium ETFs, ranked by the share of the fund held in its ten largest positions (ETFIQ, Oct 20, 2026)](https://etfiq.com/rankings/themes-concentrated-nuclear)
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