Do SMRF and URAN hold the same stocks?

By their latest filings, 45% 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 URAN?

SMRF has 28% of its weight in S&P 500 names and URAN has 25%, so URAN differs more from the index.

Which is cheaper, SMRF or URAN?

SMRF charges 0.65% a year and URAN charges 0.35%, so URAN is cheaper. Fees come from each fund's prospectus.

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SMRF vs URAN: which is really different?

SMRF and URAN hold 45% of their weight in the same names. ALPS Nautilus SMR, Nuclear & Technology ETF and Themes Uranium & Nuclear ETF.

27.8%

SMRF in the S&P 500

24.7%

URAN in the S&P 500

−11.7%

SMRF total return, since launch

−22.3%

URAN 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

URAN · 1 year to Sep 30, 202675% of its weight is outside the S&P 500

25% of URAN's weight is in S&P 500 companies and 75% is outside the index

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

SMRF 27.5

URAN 69.7

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 URAN hold 45% 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

45% in common

Positions both hold, largest shared weight first

Holding SMRF URAN

Oklo Inc 4.22% 3.45%

Nexgen Energy Ltd 4.23% 3.23%

Cameco Corp 4.30% 3.19%

Nuscale Power Corp 3.77% 3.07%

Denison Mines Corp 2.96% 3.17%

Uranium Energy Corp 4.00% 2.95%

Cgn Power Co Ltd 4.28% 2.78%

Paladin Energy Ltd 3.41% 2.65%

Energy Fuels Inc/canada 3.54% 2.40%

Centrus Energy Corp 3.17% 2.20%

Bwx Technologies Inc 4.23% 1.99%

Yellow Cake Plc 1.84% 2.88%

Only in SMRF

Ge Vernova Inc 3.82%

Astera Labs Inc 2.83%

Micron Technology Inc 2.43%

Rolls-royce Holdings Plc 2.16%

Sandisk Corp/de 2.04%

Nebius Group Nv 2.02%

Seagate Technology Holdings Plc 1.85%

Western Digital Corp 1.85%

Only in URAN

American Electric Power Co Inc 4.20%

Public Service Enterprise Grou 3.81%

CNNP 3.20%

Kyushu Electric Power Co Inc 1.07%

TXNM Energy Inc 1.03%

RFNE 0.90%

Chengdu Guoguang Electric Co L 0.84%

Atha Energy Corp 0.69%

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

45% 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	URAN	SMRF	URAN	SMRF	URAN
3 months	−11.2%	−8.6%	−13.7 pts	−11.1 pts	−13.3 pts	−10.7 pts
6 months	−2.9%	−21.3%	−19.9 pts	−38.3 pts	−29.8 pts	−48.2 pts
1 year	not published	−22.3%	not published	−38.0 pts	not published	−46.0 pts
Since launch SMRF Feb 2026 · URAN Sep 2024	−11.7%	+30.1%	−24.0 pts	−6.4 pts	−34.7 pts	−23.8 pts

SMRF and URAN 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

URAN

Themes Uranium & Nuclear ETF · Holds 42 stocks in nuclear and uranium, 25% of its weight in S&P 500 companies

Issuer ALPS Themes

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 27.8% 24.7%

Active share vs the S&P 500 92.5% 99.5%

In the Nasdaq-100 14.4% 14.1%

Holdings 72 42

Top ten, share of the fund 40.2% 41.2%

Expense ratio 0.65% 0.35%

Fee for the differing part 0.70% 0.35%

Total return, 1 year −11.7% (since launch on Feb 19, 2026) −22.3%

vs the S&P 500 −24.0 pts −38.0 pts

vs the Nasdaq-100 −34.7 pts −46.0 pts

Below its high −22.1% −36.3%

Net assets $11m $25m

SMRF and URAN 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.

URAN in plain words

By weight, 25% of URAN'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 41% of the fund across 42 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned −22.3% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 38.0 pts. It sits 36.3% below its all-time high of Jan 28, 2026.

Questions people ask

Do SMRF and URAN hold the same stocks?: By their latest filings, 45% 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 URAN?: SMRF has 28% of its weight in S&P 500 names and URAN has 25%, so URAN differs more from the index.
Which is cheaper, SMRF or URAN?: SMRF charges 0.65% a year and URAN charges 0.35%, so URAN is cheaper. Fees come from each fund's prospectus.

Other comparisons

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

SMRF on its own →URAN 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 ↗URAN filings on SEC EDGAR ↗URAN prospectus with the expense ratio (SEC) ↗Themes page for URAN ↗

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 URAN, data as of Sep 30, 2026. https://etfiq.com/compare/themes/smrf-vs-uran

Open data

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