Theme · 10 funds

Uranium and nuclear ETFs: all 10 compared

See every nuclear and uranium ETF by what it holds, not by its name. Funds that hold uranium miners, reactor builders and the utilities that run nuclear plants. They are one category here because the funds are: the largest holding of the reactor funds and of the uranium funds is the same company, Cameco. 10 funds, largest first. Updated Oct 21, 2026. The typical fund carries 16% of its weight in S&P 500 names, the 41st most of the 53 themes with filed books.

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The short answers

How many there are10US listed nuclear and uranium ETFs, as of Oct 21, 2026.
The largestURAGlobal X Uranium ETF, $5.4bn.
The cheapestURANThemes Uranium & Nuclear ETF, 0.35% a year.
Best one year total returnUXRoundhill Uranium ETF, +3.0%.
Least like the S&P 500URAGlobal X Uranium ETF, 0.0% of its weight in S&P 500 companies.
Closest pairNLR and SMRF55% of their weight in the same companies.

What these funds actually own

Between them the 10 funds' ten largest holdings name 71 companies, of which 19 appear in more than one. Oklo Inc is among the ten largest of 3 of them, at an average of 5.2% of the fund.

CompanyIn the top ten ofAvg weightLargest, and where
Oklo Inc 3 of 10 5.2% 6.1% in URA
CAMECO CORPORATION 2 of 10 15.6% 22.2% in URA
Cameco Corp. CCJ 2 of 10 14.3% 21.1% in URNM
Sprott Physical Uranium Trust 2 of 10 11.8% 16.8% in URNM
NexGen Energy Ltd. NXE 2 of 10 8.2% 13.2% in URNM
Denison Mines Corp. DNN 2 of 10 8.1% 12.0% in URNJ
Paladin Energy Ltd. PDN 2 of 10 7.3% 10.9% in URNJ
Constellation Energy Corporation CEG 2 of 10 7.1% 9.6% in URAN
Energy Fuels Inc. UUUU 2 of 10 6.6% 9.7% in URNJ
Cameco Corp 2 of 10 6.4% 8.4% in NLR
Talen Energy Corporation TLN 2 of 10 5.9% 6.9% in TNUK
BWX Technologies, Inc. BWXT 2 of 10 5.6% 6.6% in TNUK
CGN Mining Co. Ltd. 2 of 10 5.3% 5.5% in URNJ
Vistra Corp. VST 2 of 10 4.8% 5.0% in RCTR
Uranium Energy Corp. UEC 2 of 10 4.6% 5.0% in TNUK

Nuclear and uranium ETFs, the companies their ten largest holdings name. The 15 most widely held of 71. Source: each fund's latest SEC filing or its issuer’s own daily holdings file, read by ETFIQ.

How this is counted

Each row counts the ten largest holdings of each fund, so a fund missing from a row may still hold that company lower down. Weights are of the funds that name it, not of the theme.

How much of each fund is the S&P 500
URA
0.0%
NLR
15.1%
URNM
0.0%
NUKZ
23.0%
URNJ
0.0%
RCTR
30.5%
URAN
24.1%
SMRF
27.8%
UX
0.0%
TNUK
17.4%

Share of each fund's weight in S&P 500 companies. Above half, the fund is mostly the S&P 500.

One year total return, the 8 with a full year
URA
−25.3% −41.3 pts vs ACWI
NLR
−32.7% −48.8 pts vs ACWI
URNM
−19.7% not measured
NUKZ
−14.3% −30.4 pts vs ACWI
URNJ
−31.5% not measured
RCTR
−8.0% −24.1 pts vs ACWI
URAN
−29.3% −45.4 pts vs ACWI
UX
+3.0% not measured

White marker is the S&P 500 over the same days, +16.4%, for reference. Last column is the gap to the fund's own benchmark, in points.

The 10 largest nuclear and uranium ETFs

ETFIQ covers 10 nuclear and uranium ETFs. The largest are URA ($5.4bn), NLR ($3.1bn) and URNM ($1.7bn); fees run 0.35% to 0.85%, as of .

  1. 1URA$5.4bn0.69%Global X Uranium ETF
  2. 2NLR$3.1bn0.52%VanEck Uranium and Nuclear ETF
  3. 3URNM$1.7bn0.75%Sprott Uranium Miners ETF
  4. 4NUKZ$890m0.85%Range Nuclear Renaissance Index ETF
  5. 5URNJ$293m0.80%Sprott Junior Uranium Miners ETF
  6. 6RCTR$29m0.70%First Trust Bloomberg Nuclear Power ETF
  7. 7URAN$28m0.35%Themes Uranium & Nuclear ETF
  8. 8SMRF$11m0.65%ALPS Nautilus SMR, Nuclear & Technology ETF
  9. 9UX$4m0.77%Roundhill Uranium ETF
  10. 10TNUK$2m0.75%Tortoise Nuclear Renaissance ETF

Every nuclear and uranium ETF, largest first

Click a column to sort
Net assets

Points (pts) are percentage points.

Uranium and nuclear ETFs: all 10 compared
TickerFundIssuerNet assets ↓In the S&P 500Active shareTotal return 1Yvs its benchmark 1YFee
URAGlobal X Uranium ETF →Global X$5.4bn0.0%100.0%−25.3%−41.3 pts vs ACWI0.69%
NLRVanEck Uranium and Nuclear ETF →VanEck$3.1bn15.1%99.8%−32.7%−48.8 pts vs ACWI0.52%
URNMSprott Uranium Miners ETF →Sprott$1.7bn0.0%100.0%−19.7%not measured0.75%
NUKZRange Nuclear Renaissance Index ETF →Range$890m23.0%98.7%−14.3%−30.4 pts vs ACWI0.85%
URNJSprott Junior Uranium Miners ETF →Sprott$293m0.0%100.0%−31.5%not measured0.80%
RCTRFirst Trust Bloomberg Nuclear Power ETF →First Trust$29m30.5%98.9%−8.0%−24.1 pts vs ACWI0.70%
URANThemes Uranium & Nuclear ETF →Themes$28m24.1%99.5%−29.3%−45.4 pts vs ACWI0.35%
SMRFALPS Nautilus SMR, Nuclear & Technology ETF →ALPS$11m27.8%92.5%first traded 244 days ago·0.65%
UXRoundhill Uranium ETF →Roundhill$4m0.0%100.0%+3.0%not measured0.77%
TNUKTortoise Nuclear Renaissance ETF →Tortoise$2m17.4%99.2%first traded 307 days ago·0.75%
Uranium and nuclear ETFs: all 10 compared, as of Oct 21, 2026. Source: ETFIQ.URA →NLR →URNM →NUKZ →URNJ →RCTR →URAN →SMRF →UX →TNUK →

How much of each pair is the same fund

The closest pair is NLR and SMRF, which hold 55% of their weight in the same companies. The furthest apart is URNJ and UX at 0%. The middle pair of the 45 is 27%.

URANLRURNMNUKZURNJRCTRURANSMRFUXTNUKURA
53%
54%
24%
21%
22%
35%
44%
7%
27%
NLR
53%
42%
27%
24%
26%
52%
55%
0%
46%
URNM
54%
42%
11%
48%
11%
38%
33%
17%
17%
NUKZ
24%
27%
11%
0%
40%
28%
28%
0%
35%
URNJ
21%
24%
48%
0%
5%
30%
19%
0%
3%
RCTR
22%
26%
11%
40%
5%
27%
29%
0%
40%
URAN
35%
52%
38%
28%
30%
27%
42%
0%
30%
SMRF
44%
55%
33%
28%
19%
29%
42%
0%
30%
UX
7%
0%
17%
0%
0%
0%
0%
0%
0%
TNUK
27%
46%
17%
35%
3%
40%
30%
30%
0%

Nuclear and uranium ETFs, the share of each pair’s weight held in the same companies. Read across or down; the figure is the same either way. Cells are shaded against the closest pair here, 55%. Source: each fund’s own filed or daily holdings, read by ETFIQ.

How to read the grid

Weight overlap adds the smaller of the two weights for every company both funds hold. Funds with a cut-short book are left out, not compared short.

What each fund holds alone

The largest holding no other fund in the grid holds, and how much of the fund is in names none of the others own.

FundLargest holding it alone hasWeightAll its own names
URA SIBANYE STILLWATER LIMITED 2.1%
7.8%
NUKZ EMERSON ELECTRIC CO. 2.5%
21.6%
URNJ DevEx Resources Ltd. DEV 0.9%
4.7%
RCTR The Southern Company SO 5.0%
20.0%
URAN American Electric Power Co Inc AEP 4.1%
13.7%
SMRF Astera Labs Inc 2.8%
30.9%
TNUK Rolls-Royce Holdings PLC RYCEY 5.0%
9.1%

Nuclear and uranium ETFs, the largest holding no other fund in the grid holds. Source: ETFIQ.

Questions people ask

How many nuclear and uranium ETFs are there?
ETFIQ covers 10 US listed nuclear and uranium ETFs as of Oct 21, 2026. That is every one it can measure from the fund’s own published holdings.
What is the largest nuclear and uranium ETF?
URA, Global X Uranium ETF, at $5.4bn in net assets as of Oct 12, 2026, the largest of the 10 nuclear and uranium ETFs with a published size.
What is the cheapest nuclear and uranium ETF?
URAN, Themes Uranium & Nuclear ETF, at 0.35% a year by its prospectus filed Jan 27, 2026, the lowest fee of the 10 nuclear and uranium ETFs that publish one.
Which nuclear and uranium ETF has performed best over the past year?
UX, Roundhill Uranium ETF, at +3.0% total return over the year to Oct 21, 2026, the highest of the 8 nuclear and uranium ETFs with a full year of trading behind them. Past returns do not predict future ones.
What do nuclear and uranium ETFs hold?
Funds that hold uranium miners, reactor builders and the utilities that run nuclear plants. They are one category here because the funds are: the largest holding of the reactor funds and of the uranium funds is the same company, Cameco. Between them the 10 nuclear and uranium ETFs ETFIQ can read name 71 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 21, 2026, most widely Oklo Inc, which is among the ten largest of 3 of them.
Do nuclear and uranium ETFs hold the same companies?
It depends which two. Across the 45 pairs of the 10 nuclear and uranium ETFs with a full published book, by holdings dated May 31, 2026 to Oct 21, 2026, NLR and SMRF hold 55% of their weight in the same companies, URNJ and UX hold 0%, and the middle pair holds 27%. Two funds sold on one theme are not the same fund.

What the issuers say about this theme

About these links

The issuers behind these nuclear and uranium funds publish their own work on this theme. These are their pages and words, not ETFIQ’s. A fund company writing about a theme it sells is making a case.

Issuer material on this theme. Links leave ETFIQ. Source: each issuer’s own site.

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Nuclear and uranium ETFs, one-year total return to Oct 21, 2026: UX +3.0%, RCTR −8.0%, NUKZ −14.3%, URNM −19.7%, URA −25.3%, URAN −29.3%, URNJ −31.5%, NLR −32.7%.
<figure style="margin:0;max-width:640px">
<a href="https://etfiq.com/themes/nuclear"><img src="https://etfiq.com/assistant/api/embed/theme/nuclear.svg" alt="Nuclear and uranium ETFs, one-year total return to Oct 21, 2026: UX +3.0%, RCTR −8.0%, NUKZ −14.3%, URNM −19.7%, URA −25.3%, URAN −29.3%, URNJ −31.5%, NLR −32.7%." width="640" style="max-width:100%;height:auto"></a>
<figcaption style="font:13px/1.5 sans-serif">Nuclear and uranium ETFs, one-year total return to Oct 21, 2026: UX +3.0%, RCTR −8.0%, NUKZ −14.3%, URNM −19.7%, URA −25.3%, URAN −29.3%, URNJ −31.5%, NLR −32.7%. Data: <a href="https://etfiq.com/themes/nuclear">ETFIQ</a></figcaption>
</figure>

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ETFIQ, Uranium and nuclear ETFs: all 10 compared, data as of Oct 21, 2026. https://etfiq.com/themes/nuclear

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