Do RCTR and UX hold the same stocks?

By their latest filings, 0% 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, RCTR or UX?

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

Which is cheaper, RCTR or UX?

RCTR charges 0.70% a year and UX charges 0.77%, so RCTR is cheaper. Fees come from each fund's prospectus.

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RCTR vs UX: which is really different?

RCTR and UX hold 0% of their weight in the same names, and RCTR returned −2.0% over the year. First Trust Bloomberg Nuclear Power ETF and Roundhill Uranium ETF.

27.5%

RCTR in the S&P 500

0.0%

UX in the S&P 500

−2.0%

RCTR total return, 1 year

−9.2%

UX total return, 1 year

RCTR · 1 year to Sep 30, 202673% of its weight is outside the S&P 500

28% of RCTR's weight is in S&P 500 companies and 73% is outside the index

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

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

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

RCTR 60.1

UX 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, RCTR and UX hold 0% 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 Sep 30, 2026.

50%

half

0% in common

Positions both hold, largest shared weight first

Holding RCTR UX

Only in RCTR

Hitachi, Ltd. 5.75%

Doosan Enerbility Co., Ltd. 5.08%

Constellation Energy Corporation 5.03%

Mitsubishi Heavy Industries, Ltd. 4.91%

BHP Group Limited 4.77%

Rolls-Royce Holdings Plc 4.57%

Vistra Corp. 4.34%

Cameco Corp. 4.18%

Only in UX

TREASURY BILL 80.95%

Sprott Physical Uranium Trust 19.05%

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

0% 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	RCTR	UX	RCTR	UX	RCTR	UX
3 months	−3.6%	+2.1%	−6.1 pts	−0.4 pts	−5.7 pts	0.0 pts
6 months	−10.6%	−9.5%	−27.6 pts	−26.5 pts	−37.5 pts	−36.4 pts
1 year	−2.0%	−9.2%	−17.7 pts	−24.9 pts	−25.8 pts	−33.0 pts
Since launch RCTR Jul 2025 · UX Jan 2025	+6.0%	+8.4%	−16.3 pts	−20.8 pts	−25.7 pts	−34.8 pts

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

On the same fields

RCTR

First Trust Bloomberg Nuclear Power ETF · Holds 50 stocks in nuclear and uranium, 28% of its weight in S&P 500 companies

Roundhill Uranium ETF · Holds 2 stocks in nuclear and uranium, 0% of its weight in S&P 500 companies

Issuer First Trust Roundhill

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 27.5% 0.0%

Active share vs the S&P 500 98.9% 100.0%

In the Nasdaq-100 5.0% 0.0%

Holdings 50 2

Top ten, share of the fund 46.9% 100.0%

Expense ratio 0.70% 0.77%

Fee for the differing part 0.71% 0.77%

Total return, 1 year −2.0% −9.2%

vs the S&P 500 −17.7 pts −24.9 pts

vs the Nasdaq-100 −25.8 pts −33.0 pts

Below its high −17.8% −24.2%

Net assets $29m $4m

RCTR and UX on the same fields, as of Sep 30, 2026. Source: ETFIQ.

RCTR in plain words

By weight, 28% of RCTR'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 47% of the fund across 50 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned −2.0% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 17.7 pts. It sits 17.8% below its all-time high of May 6, 2026.

UX in plain words

By weight, 0% of UX'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 100% of the fund across 2 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned −9.2% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 24.9 pts. It sits 24.2% below its all-time high of Jan 28, 2026.

Questions people ask

Do RCTR and UX hold the same stocks?: By their latest filings, 0% 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, RCTR or UX?: RCTR has 28% of its weight in S&P 500 names and UX has 0%, so UX differs more from the index.
Which is cheaper, RCTR or UX?: RCTR charges 0.70% a year and UX charges 0.77%, so RCTR is cheaper. Fees come from each fund's prospectus.

Other comparisons

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

RCTR on its own →UX on its own →How every figure is computed →Standards and sources →

Where these figures came from

RCTR filings on SEC EDGAR ↗RCTR prospectus with the expense ratio (SEC) ↗First Trust page for RCTR ↗UX filings on SEC EDGAR ↗UX prospectus with the expense ratio (SEC) ↗Roundhill page for UX ↗

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, RCTR against UX, data as of Sep 30, 2026. https://etfiq.com/compare/themes/rctr-vs-ux

Open data

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