Do TNUK and URA hold the same stocks?

By their latest filings, 23% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, TNUK or URA?

TNUK has 18% of its weight in S&P 500 names and URA has 0%, so URA differs more from the index.

Which is cheaper, TNUK or URA?

TNUK charges 0.85% a year and URA charges 0.69%, so URA is cheaper. Fees come from each fund's prospectus.

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TNUK vs URA: which is really different?

TNUK and URA hold 23% of their weight in the same names. Tortoise Nuclear Renaissance ETF and Global X Uranium ETF.

17.5%

TNUK in the S&P 500

0.0%

URA in the S&P 500

−11.8%

TNUK total return, since launch

−12.3%

URA total return, 1 year

TNUK · 6 months to Sep 30, 202683% of its weight is outside the S&P 500

18% of TNUK's weight is in S&P 500 companies and 83% is outside the index

URA · 1 year to Sep 30, 2026100% of its weight is outside the S&P 500

0% of URA's weight is in S&P 500 companies and 100% is outside the index

ETFIQ Off-Index Score · URA scores higherHow much of it is not the index it is sold as an alternative to?

TNUK 66.3

URA 92

0.1, the lowest in this set92.0, the highest

A percentile among the 375 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, TNUK and URA hold 23% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Sep 30, 2026.

50%

half

23% in common

Positions both hold, largest shared weight first

Holding TNUK URA

Cameco Corp 7.48% 22.04%

Uranium Energy Corp 4.97% 4.67%

Centrus Energy Corp 4.23% 2.69%

Doosan Enerbility Co Ltd 6.94% 2.47%

Oklo Inc 1.77% 5.72%

NuScale Power Corp 1.73% 2.81%

NexGen Energy Ltd 1.29% 5.98%

Denison Mines Corp 1.09% 2.48%

Only in TNUK

Curtiss-Wright Corp 8.15%

Talen Energy Corp 6.90%

BWX Technologies Inc 6.66%

Mirion Technologies Inc 6.22%

Rolls-Royce Holdings PLC 5.06%

Public Service Enterprise Grou 4.75%

Vistra Corp 4.70%

Constellation Energy Corp 4.51%

Only in URA

SPROTT PHYSICAL URANIUM TR 6.83%

NAC KAZATOMPROM JSC-GDR REGS 4.37%

PALADIN ENERGY LTD 3.09%

ENERGY FUELS INC 2.89%

X-ENERGY INC 2.60%

SIBANYE STILLWATER LTD 2.52%

HYUNDAI ENGINEERING & CONST 2.50%

DAEWOO ENGINEERING & CONSTR 2.47%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

23% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	TNUK	URA	TNUK	URA	TNUK	URA
3 months	−10.1%	−7.7%	−12.6 pts	−10.2 pts	−12.2 pts	−9.8 pts
6 months	−15.3%	−19.1%	−32.3 pts	−36.1 pts	−42.2 pts	−46.0 pts
1 year	not published	−12.3%	not published	−28.0 pts	not published	−36.1 pts
3 years	not published	+68.7%	not published	−16.3 pts	not published	−41.3 pts
Since launch TNUK Dec 2025 · URA Nov 2010	−11.8%	−40.1%	−25.7 pts	−763.8 pts	−33.8 pts	−1521.0 pts

TNUK and URA over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

TNUK

Tortoise Nuclear Renaissance ETF · Holds 25 stocks in nuclear and uranium, 18% of its weight in S&P 500 companies

URA

Global X Uranium ETF · Holds 63 stocks in nuclear and uranium, 0% of its weight in S&P 500 companies

Issuer Tortoise Global X

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 17.5% 0.0%

Active share vs the S&P 500 99.2% 100.0%

In the Nasdaq-100 4.5% 0.0%

Holdings 25 63

Top ten, share of the fund 61.8% 61.1%

Expense ratio 0.85% 0.69%

Fee for the differing part 0.86% 0.69%

Total return, 1 year −11.8% (since launch on Dec 18, 2025) −12.3%

vs the S&P 500 −25.7 pts −28.0 pts

vs the Nasdaq-100 −33.8 pts −36.1 pts

Below its high −26.4% −54.6%

Net assets $2m $5.6bn

TNUK and URA on the same fields, as of Sep 30, 2026. Source: ETFIQ.

TNUK in plain words

By weight, 18% of TNUK's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 62% of the fund across 25 positions, as filed for May 31, 2026. Since it launched on Dec 18, 2025 the fund returned −11.8% with distributions reinvested against +13.9% for the S&P 500, so a holder was behind by 25.7 pts. It sits 26.4% below its all-time high of Jan 28, 2026.

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 61% of the fund across 63 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned −12.3% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 28.0 pts. It sits 54.6% below its all-time high of Feb 2, 2011.

Questions people ask

Do TNUK and URA hold the same stocks?: By their latest filings, 23% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, TNUK or URA?: TNUK has 18% of its weight in S&P 500 names and URA has 0%, so URA differs more from the index.
Which is cheaper, TNUK or URA?: TNUK charges 0.85% a year and URA charges 0.69%, so URA is cheaper. Fees come from each fund's prospectus.

Other comparisons

TNUK vs URAN TNUK vs NUKZ TNUK vs URNJ TNUK vs URNM URA vs UX URA vs XAR URA vs AIQ URA vs AIRR

TNUK on its own →URA on its own →How every figure is computed →Standards and sources →

Where these figures came from

TNUK filings on SEC EDGAR ↗Tortoise website ↗URA filings on SEC EDGAR ↗URA prospectus with the expense ratio (SEC) ↗Global X page for URA ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.

Cite this page

ETFIQ, TNUK against URA, data as of Sep 30, 2026. https://etfiq.com/compare/themes/tnuk-vs-ura

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.