Do TNUK and URNM hold the same stocks?

By their latest filings, 18% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.

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

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

Which is cheaper, TNUK or URNM?

TNUK charges 0.85% a year and URNM charges 0.75%, so URNM is cheaper. Fees come from each fund's prospectus.

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TNUK vs URNM: which is really different?

TNUK and URNM hold 18% of their weight in the same names. Tortoise Nuclear Renaissance ETF and SPROTT URANIUM MINERS ETF.

17.5%

TNUK in the S&P 500

0.0%

URNM in the S&P 500

−11.8%

TNUK total return, since launch

−18.9%

URNM 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

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

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

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

TNUK 66.3

URNM 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 URNM hold 18% 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 Jun 30, 2026 and May 31, 2026.

50%

half

18% in common

Positions both hold, largest shared weight first

Holding TNUK URNM

Cameco Corp 7.48% 18.16%

Uranium Energy Corp 4.97% 4.50%

NAC Kazatomprom JSC 2.31% 5.13%

NexGen Energy Ltd 1.29% 12.00%

Denison Mines Corp 1.09% 5.13%

Energy Fuels Inc/Canada 0.83% 5.16%

Only in TNUK

Curtiss-Wright Corp 8.15%

Doosan Enerbility Co Ltd 6.94%

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%

Only in URNM

Sprott Physical Uranium Trust 13.99%

Deep Yellow Ltd 4.63%

Paladin Energy Ltd 4.40%

Cgn Mining Co Ltd 4.27%

Yellow Cake Plc 3.99%

Ur-energy Inc 3.04%

Bannerman Energy Ltd 2.52%

Isoenergy Ltd 2.35%

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

18% 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	URNM	TNUK	URNM	TNUK	URNM
3 months	−10.1%	−9.4%	−12.6 pts	−11.9 pts	−12.2 pts	−11.5 pts
6 months	−15.3%	−25.7%	−32.3 pts	−42.7 pts	−42.2 pts	−52.6 pts
1 year	not published	−18.9%	not published	−34.6 pts	not published	−42.7 pts
3 years	not published	+10.8%	not published	−74.2 pts	not published	−99.2 pts
Since launch TNUK Dec 2025 · URNM Dec 2019	−11.8%	+352.5%	−25.7 pts	+181.7 pts	−33.8 pts	+71.1 pts

TNUK and URNM 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

URNM

SPROTT URANIUM MINERS ETF · Holds 26 stocks in nuclear and uranium, 0% of its weight in S&P 500 companies

Issuer Tortoise Sprott

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 26

Top ten, share of the fund 61.8% 77.4%

Expense ratio 0.85% 0.75%

Fee for the differing part 0.86% 0.75%

Total return, 1 year −11.8% (since launch on Dec 18, 2025) −18.9%

vs the S&P 500 −25.7 pts −34.6 pts

vs the Nasdaq-100 −33.8 pts −42.7 pts

Below its high −26.4% −43.5%

Net assets $2m $1.8bn

TNUK and URNM 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.

URNM in plain words

By weight, 0% of URNM'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 77% of the fund across 26 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned −18.9% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 34.6 pts. It sits 43.5% below its all-time high of Jan 28, 2026.

Questions people ask

Do TNUK and URNM hold the same stocks?: By their latest filings, 18% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, TNUK or URNM?: TNUK has 18% of its weight in S&P 500 names and URNM has 0%, so URNM differs more from the index.
Which is cheaper, TNUK or URNM?: TNUK charges 0.85% a year and URNM charges 0.75%, so URNM is cheaper. Fees come from each fund's prospectus.

Other comparisons

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

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

Where these figures came from

TNUK filings on SEC EDGAR ↗Tortoise website ↗URNM filings on SEC EDGAR ↗URNM prospectus with the expense ratio (SEC) ↗Sprott page for URNM ↗

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 URNM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/tnuk-vs-urnm

Open data

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