URAN vs. GUNR

Last updated Jun 5, 2026

URAN (Themes Uranium & Nuclear ETF) and GUNR (FlexShares Morningstar Global Upstream Natural Resources Index Fund) are both Commodity Producers Equities funds - URAN tracks the BITA Global Uranium and Nuclear Select Index while GUNR tracks the Morningstar Global Upstream Natural Resources Index. Both are passively managed. Over the past year, URAN returned 27.41% vs 41.20% for GUNR. At a 0.44 correlation, their price movements are largely independent. URAN charges 0.35%/yr vs 0.46%/yr for GUNR.

Performance

URAN vs. GUNR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Themes Uranium & Nuclear ETF (URAN) and FlexShares Morningstar Global Upstream Natural Resources Index Fund (GUNR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, URAN achieves a 3.99% return, which is significantly lower than GUNR's 18.89% return.

URAN

• 1D: -1.13%
• 1M: -6.05%
• YTD: 3.99%
• 6M: -2.71%
• 1Y: 27.41%
• 3Y*: —
• 5Y*: —
• 10Y*: —

GUNR

• 1D: -0.26%
• 1M: -1.34%
• YTD: 18.89%
• 6M: 20.95%
• 1Y: 41.20%
• 3Y*: 14.43%
• 5Y*: 9.87%
• 10Y*: 10.94%

*Multi-year figures are annualized to reflect compound growth (CAGR)

URAN vs. GUNR - Yearly Performance Comparison

	2026 (YTD)	2025	2024
URAN Themes Uranium & Nuclear ETF	3.99%	49.05%	4.09%
GUNR FlexShares Morningstar Global Upstream Natural Resources Index Fund	18.89%	30.03%	-10.44%

Correlation

The correlation between URAN and GUNR is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024	0.44

Return for Risk

URAN vs. GUNR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

URAN

URAN Risk / Return Rank: 22
URAN Sharpe Ratio Rank: 22
URAN Sortino Ratio Rank: 23
URAN Omega Ratio Rank: 22
URAN Calmar Ratio Rank: 24
URAN Martin Ratio Rank: 20

GUNR

GUNR Risk / Return Rank: 85
GUNR Sharpe Ratio Rank: 84
GUNR Sortino Ratio Rank: 79
GUNR Omega Ratio Rank: 81
GUNR Calmar Ratio Rank: 92
GUNR Martin Ratio Rank: 92

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

URAN vs. GUNR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Themes Uranium & Nuclear ETF (URAN) and FlexShares Morningstar Global Upstream Natural Resources Index Fund (GUNR). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	URAN	GUNR	Difference
Sharpe ratio: Return per unit of total volatility	0.70	2.73	-2.03
Sortino ratio: Return per unit of downside risk	1.21	3.46	-2.26
Omega ratio: Gain probability vs. loss probability	1.14	1.48	-0.33
Calmar ratio: Return relative to maximum drawdown	1.09	6.08	-4.99
Martin ratio: Return relative to average drawdown	2.15	22.95	-20.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

URAN vs. GUNR - Sharpe Ratio Comparison

The current URAN Sharpe Ratio is 0.70, which is lower than the GUNR Sharpe Ratio of 2.73. The chart below compares the historical Sharpe Ratios of URAN and GUNR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	URAN	GUNR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.70	2.73	-2.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.52	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.54	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.32	+0.52

Drawdowns

URAN vs. GUNR - Drawdown Comparison

The maximum URAN drawdown since its inception was -31.96%, smaller than the maximum GUNR drawdown of -45.64%. Use the drawdown chart below to compare losses from any high point for URAN and GUNR.

Drawdown Indicators

	URAN	GUNR	Difference
Max Drawdown Largest peak-to-trough decline	-31.96%	-45.64%	+13.68%
Max Drawdown (1Y) Largest decline over 1 year	-25.31%	-6.81%	-18.50%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.59%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.06%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.04%	—
Current Drawdown Current decline from peak	-21.06%	-2.81%	-18.25%
Average Drawdown Average peak-to-trough decline	-10.78%	-10.40%	-0.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.78%	1.80%	+10.98%

Volatility

URAN vs. GUNR - Volatility Comparison

Themes Uranium & Nuclear ETF (URAN) has a higher volatility of 12.30% compared to FlexShares Morningstar Global Upstream Natural Resources Index Fund (GUNR) at 4.23%. This indicates that URAN's price experiences larger fluctuations and is considered to be riskier than GUNR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	URAN	GUNR	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.30%	4.23%	+8.07%
Volatility (6M) Calculated over the trailing 6-month period	29.33%	12.55%	+16.78%
Volatility (1Y) Calculated over the trailing 1-year period	39.36%	15.14%	+24.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	39.09%	18.98%	+20.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.09%	20.42%	+18.67%

URAN vs. GUNR - Expense Ratio Comparison

URAN has a 0.35% expense ratio, which is lower than GUNR's 0.46% expense ratio.

Dividends

URAN vs. GUNR - Dividend Comparison

URAN's dividend yield for the trailing twelve months is around 2.46%, more than GUNR's 2.25% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GUNR FlexShares Morningstar Global Upstream Natural Resources Index Fund	2.25%	2.81%	3.39%	3.55%	4.12%	3.61%	2.79%	3.25%	3.27%	2.00%	1.73%	4.50%
URAN Themes Uranium & Nuclear ETF	2.46%	2.56%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both URAN and GUNR in my portfolio?

URAN and GUNR have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, URAN or GUNR?

URAN has higher volatility (12.30%) compared to GUNR (4.23%). In terms of maximum drawdown, URAN dropped -31.96% vs GUNR's -45.64%.

Which ETF is better, URAN or GUNR?

On 1-year performance, GUNR leads with 41.20% vs 27.41% for URAN. On fees, URAN is cheaper at 0.35% per year. On volatility, GUNR has been the lower-risk option at 4.23%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, URAN or GUNR?

Over the 1-year period, GUNR has performed better with a 41.20% return vs 27.41%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, URAN or GUNR?

URAN is cheaper with a 0.35% expense ratio, compared with 0.46% for GUNR.

Which ETF pays a higher dividend yield, URAN or GUNR?

URAN has the higher dividend yield at 2.46%, compared with 2.25% for GUNR.

What is the main difference between URAN and GUNR?

URAN tracks BITA Global Uranium and Nuclear Select Index, while GUNR tracks Morningstar Global Upstream Natural Resources Index. They also come from different issuers: Themes and Northern Trust. Their fees differ too: 0.35% for URAN and 0.46% for GUNR.

Which has better risk-adjusted returns?

GUNR currently has the higher Sharpe Ratio (2.73 vs 0.70), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.