257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Fund · Range Nuclear Renaissance Index ETF · measured from SEC filings

NUKZ holdings

NUKZ reports 46 holdings and behaves like 34.4 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-05-31. The fact sheet publishes the first number; this page computes the second, and traces it across 10 quarters of filings.

Measured concentration

as of 2026-05-31
46 Positions reported
34.4 Effective holdings
1.3× Concentration multiple
36.4% Top ten weight

Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 100% at a quoted market price (level 1), 10 issuer countries.

What stands out

as of 2026-05-31

NUKZ's largest investment is Cameco Corp at 9.06% of net assets. Samsung C&T Corp and GE Vernova Inc follow; the three together are 15.81%. Ten companies are 36.4% of the fund; the other 36 share the rest. Among the 721 equity funds measured here, NUKZ behaves like 34.4 holdings against a median of 42.4 — close to the median. Across 10 quarterly filings NUKZ has become less concentrated: it behaved like 18.3 at 2024-02-29 and 34.4 at 2026-05-31. Between the 2026-02-28 and 2026-05-31 filings 4 positions were added and 3 dropped; 21.3% of the weight moved. the United States is the largest country at 65.48% of the portfolio, across 10 countries in the filing.

Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable equity funds on this site. Nothing here is a view on the fund.

Every filing since 2024

10

Between 2024-02-29 and 2026-05-31, NUKZ went from behaving like 18.3 equally weighted positions to 34.4 — 88% more, while its top ten went from 58.8% to 36.4% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-05-31 46 34.4 36.4% 9.1%
2026-02-28 45 29 42.93% 10.21%
2025-11-30 45 29.8 40.72% 8.9%
2025-08-31 44 28 43.75% 10.26%
2025-05-31 46 28.5 41.84% 9.27%
2025-02-28 38 20.1 55.43% 13.4%
2024-11-30 38 21.9 54.76% 10.44%
2024-08-31 37 25.7 45.32% 9.58%
Earlier filings (2 more, back to 2024-02-29)
PeriodHoldingsEffectiveTop 10Largest
2024-05-31 38 23 47.85% 11.87%
2024-02-29 31 18.3 58.8% 13.84%

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

Largest positions, as filed

as of 2026-05-31

The 15 largest of 46 positions in NUKZ's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: NUKZ.csv.gz.

#PositionWeightCumulative
1CAMECO CORPORATION9.10%9.1%
2SAMSUNG C&T CORPORATION3.45%12.5%
3GE VERNOVA INC.3.34%15.9%
4TALEN ENERGY CORP3.27%19.1%
5ROLLS-ROYCE HOLDINGS PLC3.02%22.2%
6CEZ, a.s.2.98%25.1%
7Dominion Energy, Inc.2.92%28.1%
8Endesa, Sociedad Anonima2.87%30.9%
9VISTRA CORP.2.75%33.7%
10SOLSTICE ADVANCED MATERIALS INC.2.71%36.4%
11Fortum Oyj2.63%39.0%
12CONSTELLATION ENERGY CORPORATION.2.62%41.6%
13DUKE ENERGY CORPORATION2.55%44.2%
14CURTISS-WRIGHT CORPORATION2.50%46.7%
15PG&E CORPORATION2.48%49.2%

By country of issuer

as of 2026-05-31

Share of NUKZ's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

CountryShare
United States 65.48%
South Korea 10.52%
Japan 6.83%
United Kingdom 3.02%
Czechia 2.98%
Spain 2.87%
Finland 2.63%
Canada 2.08%

Returns the fund reported

2023-12 – 2026-05

Monthly total returns from Item B.5 of NUKZ's own filings, 28 months on record. Not computed here and not from a price feed.

23.8%Best month
-11.5%Worst month

Cross-checked against a series computed separately from prices: median difference — percentage points over 0 months, which is roughly the distributions. Every month with the filing it came from: NUKZ.json · all funds.

Since the previous filing

2026-02-28 → 2026-05-31

45 positions became 46: 4 added (7.3% of the fund at the later date), 3 dropped (8.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 21.3%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of NUKZ compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-02-282026-05-31Largest decreases2026-02-282026-05-31
SOLSTICE ADVANCED MATERIALS INC.0.23%2.71% CONSTELLATION ENERGY CORPORATION.7.14%2.62%
TALEN ENERGY CORP1.56%3.27% LOCKHEED MARTIN CORPORATION3.49%1.85%
ASP Isotopes Inc0.89%1.99% CAMECO CORPORATION10.21%9.10%
CEZ, a.s.1.93%2.98% Silex Systems Ltd2.62%1.61%
Nuscale Power Corp0.72%1.76% Mitsubishi Heavy Industries, Ltd.2.70%1.82%
VISTRA CORP.1.74%2.75% KEPCO Engineering & Construction Company, Inc1.57%0.76%

New: Terra Innovatum Global NV (2.34%), Terrestrial Energy Inc (2.24%), URANIUM ENERGY CORP. (1.46%), AMERESCO, INC. (1.31%). Gone: QUANTA SERVICES, INC. (3.25%), HONEYWELL INTERNATIONAL INCORPORATION (2.91%), MASTEC, INC. (2.26%).

Asset categories and pricing

as of 2026-05-31

100.00% equity as filed; 100.0% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.

Neighbours by effective holdings, equity funds

10

Every measured equity fund lined up by how many holdings it behaves like; these sit either side of NUKZ (34.4). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
QQQ Invesco QQQ Trust, Series 1 103 34.1 45.03% 2026-06-30
FDEM Fidelity Emerging Markets Multifactor ETF 208 34.2 36.71% 2026-07-31
QRFT QRAFT AI-Enhanced U.S. Large Cap ETF 299 34.2 43.96% 2026-04-30
QQQI NEOS Nasdaq-100(R) High Income ETF 103 34.3 45% 2026-06-30
USCA Xtrackers MSCI USA Climate Action Equity ETF 408 34.3 46.11% 2026-05-29
IBB iShares Biotechnology ETF 251 34.6 44.63% 2026-06-30
EWC iShares MSCI Canada ETF 87 34.6 43.06% 2026-05-31
AIQ Global X Artificial Intelligence & Technology ETF 84 34.8 42.74% 2026-05-31
GPIQ Goldman Sachs Nasdaq-100 Premium Income ETF 103 35 44.42% 2026-06-30
OAKM Oakmark U.S. Large Cap ETF 40 35 37.01% 2026-06-30

Essays that examine NUKZ

2

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