Do NUKZ and TNUK hold the same stocks?

By their latest filings, 39% 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, NUKZ or TNUK?

NUKZ has 23% of its weight in S&P 500 names and TNUK has 18%, so TNUK differs more from the index.

Which is cheaper, NUKZ or TNUK?

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

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NUKZ vs TNUK: which is really different?

NUKZ and TNUK hold 39% of their weight in the same names. Range Nuclear Renaissance Index ETF and Tortoise Nuclear Renaissance ETF.

23.1%

NUKZ in the S&P 500

17.5%

TNUK in the S&P 500

−6.6%

NUKZ total return, 1 year

−11.8%

TNUK total return, since launch

NUKZ · 1 year to Sep 30, 202677% of its weight is outside the S&P 500

23% of NUKZ's weight is in S&P 500 companies and 77% is outside the index

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

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

NUKZ 57.6

TNUK 66.3

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, NUKZ and TNUK hold 39% 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.

50%

half

39% in common

Positions both hold, largest shared weight first

Holding NUKZ TNUK

CAMECO CORPORATION 9.10% 7.48%

TALEN ENERGY CORP 3.27% 6.90%

ROLLS-ROYCE HOLDINGS PLC 3.02% 5.06%

VISTRA CORP. 2.75% 4.70%

Fortum Oyj 2.63% 4.50%

CONSTELLATION ENERGY CORPORATION. 2.62% 4.51%

CURTISS-WRIGHT CORPORATION 2.50% 8.15%

JACOBS SOLUTIONS INC. 2.11% 2.11%

BWX TECHNOLOGIES, INC. 1.84% 6.66%

Oklo Inc 2.32% 1.77%

Nuscale Power Corp 1.76% 1.73%

URANIUM ENERGY CORP. 1.46% 4.97%

Only in NUKZ

SAMSUNG C&T CORPORATION 3.45%

CEZ, a.s. 2.98%

Dominion Energy, Inc. 2.92%

Endesa, Sociedad Anonima 2.87%

SOLSTICE ADVANCED MATERIALS INC. 2.71%

DUKE ENERGY CORPORATION 2.55%

PG&E CORPORATION 2.48%

EMERSON ELECTRIC CO. 2.48%

Only in TNUK

Doosan Enerbility Co Ltd 6.94%

Public Service Enterprise Grou 4.75%

NAC Kazatomprom JSC 2.31%

VanEck Uranium and Nuclear ETF 2.05%

Range Nuclear Renaissance Inde 2.05%

NexGen Energy Ltd 1.29%

Denison Mines Corp 1.09%

Energy Fuels Inc/Canada 0.83%

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

39% 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	NUKZ	TNUK	NUKZ	TNUK	NUKZ	TNUK
3 months	−9.9%	−10.1%	−12.4 pts	−12.6 pts	−12.0 pts	−12.2 pts
6 months	−10.4%	−15.3%	−27.4 pts	−32.3 pts	−37.3 pts	−42.2 pts
1 year	−6.6%	not published	−22.3 pts	not published	−30.4 pts	not published
Since launch NUKZ Jan 2024 · TNUK Dec 2025	+142.1%	−11.8%	+79.8 pts	−25.7 pts	+65.8 pts	−33.8 pts

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

On the same fields

NUKZ

Range Nuclear Renaissance Index ETF · Holds 46 stocks in nuclear and uranium, 23% of its weight in S&P 500 companies

TNUK

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

Issuer Range Tortoise

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 23.1% 17.5%

Active share vs the S&P 500 98.7% 99.2%

In the Nasdaq-100 2.6% 4.5%

Holdings 46 25

Top ten, share of the fund 36.4% 61.8%

Expense ratio 0.85% 0.85%

Fee for the differing part 0.86% 0.86%

Total return, 1 year −6.6% −11.8% (since launch on Dec 18, 2025)

vs the S&P 500 −22.3 pts −25.7 pts

vs the Nasdaq-100 −30.4 pts −33.8 pts

Below its high −21.0% −26.4%

Net assets $890m $2m

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

NUKZ in plain words

By weight, 23% of NUKZ'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 36% of the fund across 46 positions, as filed for May 31, 2026. Over the year to Sep 30, 2026 the fund returned −6.6% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 22.3 pts. It sits 21.0% below its all-time high of May 6, 2026.

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.

Questions people ask

Do NUKZ and TNUK hold the same stocks?: By their latest filings, 39% 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, NUKZ or TNUK?: NUKZ has 23% of its weight in S&P 500 names and TNUK has 18%, so TNUK differs more from the index.
Which is cheaper, NUKZ or TNUK?: NUKZ charges 0.85% a year and TNUK charges 0.85%, so NUKZ is cheaper. Fees come from each fund's prospectus.

Other comparisons

NUKZ vs RCTR NUKZ vs SMRF NUKZ vs URAN NUKZ vs URNJ TNUK vs URAN TNUK vs URNJ TNUK vs URNM TNUK vs UX

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

Where these figures came from

NUKZ filings on SEC EDGAR ↗NUKZ prospectus with the expense ratio (SEC) ↗Range website ↗TNUK filings on SEC EDGAR ↗Tortoise website ↗

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

Open data

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