Do SMRF and URNM hold the same stocks?

By their latest filings, 33% 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, SMRF or URNM?

SMRF has 28% of its weight in S&P 500 names and URNM has 0%, so URNM differs more from the index.

Which is cheaper, SMRF or URNM?

SMRF charges 0.65% a year and URNM charges 0.75%, so SMRF is cheaper. Fees come from each fund's prospectus.

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SMRF vs URNM: which is really different?

SMRF and URNM hold 33% of their weight in the same names. ALPS Nautilus SMR, Nuclear & Technology ETF and SPROTT URANIUM MINERS ETF.

27.8%

SMRF in the S&P 500

0.0%

URNM in the S&P 500

−11.7%

SMRF total return, since launch

−18.9%

URNM total return, 1 year

SMRF · 6 months to Sep 30, 202672% of its weight is outside the S&P 500

28% of SMRF's weight is in S&P 500 companies and 72% 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?

SMRF 27.5

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, SMRF and URNM hold 33% 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

33% in common

Positions both hold, largest shared weight first

Holding SMRF URNM

Cameco Corp 4.30% 18.16%

Nexgen Energy Ltd 4.23% 12.00%

Uranium Energy Corp 4.00% 4.50%

Nac Kazatomprom Jsc 3.82% 5.13%

Energy Fuels Inc/canada 3.54% 5.16%

Paladin Energy Ltd 3.41% 4.40%

Denison Mines Corp 2.96% 5.13%

Yellow Cake Plc 1.84% 3.99%

Cgn Mining Co Ltd 1.22% 4.27%

Deep Yellow Ltd 0.98% 4.63%

Ur-energy Inc 0.55% 3.04%

Bannerman Energy Ltd 0.46% 2.52%

Only in SMRF

Cgn Power Co Ltd 4.28%

Bwx Technologies Inc 4.23%

Oklo Inc 4.22%

Ge Vernova Inc 3.82%

Nuscale Power Corp 3.77%

Centrus Energy Corp 3.17%

Astera Labs Inc 2.83%

Micron Technology Inc 2.43%

Only in URNM

Sprott Physical Uranium Trust 13.99%

Atha Energy Corp 1.31%

Global Atomic Corp 1.26%

Mega Uranium Ltd 0.78%

Alligator Energy Ltd 0.50%

Laramide Resources Ltd 0.50%

Canalaska Uranium Ltd 0.14%

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

33% 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	SMRF	URNM	SMRF	URNM	SMRF	URNM
3 months	−11.2%	−9.4%	−13.7 pts	−11.9 pts	−13.3 pts	−11.5 pts
6 months	−2.9%	−25.7%	−19.9 pts	−42.7 pts	−29.8 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 SMRF Feb 2026 · URNM Dec 2019	−11.7%	+352.5%	−24.0 pts	+181.7 pts	−34.7 pts	+71.1 pts

SMRF 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

SMRF

ALPS Nautilus SMR, Nuclear & Technology ETF · Holds 72 stocks in nuclear and uranium, 28% 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 ALPS Sprott

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 27.8% 0.0%

Active share vs the S&P 500 92.5% 100.0%

In the Nasdaq-100 14.4% 0.0%

Holdings 72 26

Top ten, share of the fund 40.2% 77.4%

Expense ratio 0.65% 0.75%

Fee for the differing part 0.70% 0.75%

Total return, 1 year −11.7% (since launch on Feb 19, 2026) −18.9%

vs the S&P 500 −24.0 pts −34.6 pts

vs the Nasdaq-100 −34.7 pts −42.7 pts

Below its high −22.1% −43.5%

Net assets $11m $1.8bn

SMRF and URNM on the same fields, as of Sep 30, 2026. Source: ETFIQ.

SMRF in plain words

By weight, 28% of SMRF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 40% of the fund across 72 positions, as filed for May 31, 2026. Since it launched on Feb 19, 2026 the fund returned −11.7% with distributions reinvested against +12.3% for the S&P 500, so a holder was behind by 24.0 pts. It sits 22.1% below its all-time high of Jun 2, 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 SMRF and URNM hold the same stocks?: By their latest filings, 33% 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, SMRF or URNM?: SMRF has 28% of its weight in S&P 500 names and URNM has 0%, so URNM differs more from the index.
Which is cheaper, SMRF or URNM?: SMRF charges 0.65% a year and URNM charges 0.75%, so SMRF is cheaper. Fees come from each fund's prospectus.

Other comparisons

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

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

Where these figures came from

SMRF filings on SEC EDGAR ↗SMRF prospectus with the expense ratio (SEC) ↗ALPS 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, SMRF against URNM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/smrf-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.