AUMI vs. IAUM

Last updated Jun 4, 2026

AUMI (Themes Gold Miners ETF) and IAUM (iShares Gold Trust Micro) are both Gold funds - AUMI tracks the Solactive Global Pure Gold Miners Index while IAUM tracks the LBMA Gold Price PM. Both are passively managed. Over the past year, AUMI returned 48.97% vs 32.42% for IAUM. A 0.77 correlation means they provide meaningful diversification when combined. AUMI charges 0.35%/yr vs 0.09%/yr for IAUM.

Performance

AUMI vs. IAUM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Themes Gold Miners ETF (AUMI) and iShares Gold Trust Micro (IAUM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AUMI achieves a -5.96% return, which is significantly lower than IAUM's 3.00% return.

AUMI

• 1D: -2.93%
• 1M: -3.79%
• YTD: -5.96%
• 6M: -0.21%
• 1Y: 48.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IAUM

• 1D: -0.96%
• 1M: -1.62%
• YTD: 3.00%
• 6M: 5.58%
• 1Y: 32.42%
• 3Y*: 31.53%
• 5Y*: —
• 10Y*: —

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

AUMI vs. IAUM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
AUMI Themes Gold Miners ETF	-5.96%	164.18%	30.61%	4.25%
IAUM iShares Gold Trust Micro	3.00%	64.27%	27.04%	1.98%

Correlation

The correlation between AUMI and IAUM is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (All Time) Calculated using the full available price history since Dec 14, 2023	0.77

The correlation between AUMI and IAUM has been stable across timeframes, ranging from 0.77 to 0.78 - a consistent structural relationship.

AUMI vs. IAUM - Sectors Allocation Comparison

Sectors	AUMI	IAUM
Basic Materials	99.5%	-
Communication Services	0.2%	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	100.0%
Technology	-	-
Utilities	-	-

Return for Risk

AUMI vs. IAUM — Risk / Return Rank

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

AUMI

AUMI Risk / Return Rank: 28
AUMI Sharpe Ratio Rank: 28
AUMI Sortino Ratio Rank: 27
AUMI Omega Ratio Rank: 29
AUMI Calmar Ratio Rank: 31
AUMI Martin Ratio Rank: 28

IAUM

IAUM Risk / Return Rank: 32
IAUM Sharpe Ratio Rank: 33
IAUM Sortino Ratio Rank: 29
IAUM Omega Ratio Rank: 36
IAUM Calmar Ratio Rank: 34
IAUM Martin Ratio Rank: 29

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.

AUMI vs. IAUM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Themes Gold Miners ETF (AUMI) and iShares Gold Trust Micro (IAUM). 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.

	AUMI	IAUM	Difference
Sharpe ratio Return per unit of total volatility	1.03	1.24	-0.21
Sortino ratio Return per unit of downside risk	1.48	1.63	-0.15
Omega ratio Gain probability vs. loss probability	1.20	1.25	-0.04
Calmar ratio Return relative to maximum drawdown	1.54	1.70	-0.16
Martin ratio Return relative to average drawdown	3.94	4.22	-0.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AUMI vs. IAUM - Sharpe Ratio Comparison

The current AUMI Sharpe Ratio is 1.03, which is comparable to the IAUM Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of AUMI and IAUM, 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

	AUMI	IAUM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.03	1.24	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	1.55	1.16	+0.39

Drawdowns

AUMI vs. IAUM - Drawdown Comparison

The maximum AUMI drawdown since its inception was -31.88%, which is greater than IAUM's maximum drawdown of -20.87%. Use the drawdown chart below to compare losses from any high point for AUMI and IAUM.

Drawdown Indicators

	AUMI	IAUM	Difference
Max Drawdown Largest peak-to-trough decline	-31.88%	-20.87%	-11.01%
Max Drawdown (1Y) Largest decline over 1 year	-31.88%	-19.15%	-12.73%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.15%	—
Current Drawdown Current decline from peak	-29.25%	-17.68%	-11.57%
Average Drawdown Average peak-to-trough decline	-7.06%	-5.30%	-1.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.46%	7.70%	+4.76%

Volatility

AUMI vs. IAUM - Volatility Comparison

Themes Gold Miners ETF (AUMI) has a higher volatility of 14.46% compared to iShares Gold Trust Micro (IAUM) at 5.50%. This indicates that AUMI's price experiences larger fluctuations and is considered to be riskier than IAUM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AUMI	IAUM	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.46%	5.50%	+8.96%
Volatility (6M) Calculated over the trailing 6-month period	38.54%	22.89%	+15.65%
Volatility (1Y) Calculated over the trailing 1-year period	47.95%	26.31%	+21.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.57%	17.86%	+23.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.57%	17.86%	+23.71%

AUMI vs. IAUM - Expense Ratio Comparison

AUMI has a 0.35% expense ratio, which is higher than IAUM's 0.09% expense ratio.

Dividends

AUMI vs. IAUM - Dividend Comparison

AUMI's dividend yield for the trailing twelve months is around 0.92%, while IAUM has not paid dividends to shareholders.

Position	TTM	2025	2024
AUMI Themes Gold Miners ETF	0.92%	0.86%	1.84%
IAUM iShares Gold Trust Micro	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both AUMI and IAUM in my portfolio?

AUMI and IAUM have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AUMI or IAUM?

AUMI has higher volatility (14.46%) compared to IAUM (5.50%). In terms of maximum drawdown, AUMI dropped -31.88% vs IAUM's -20.87%.

Which ETF is better, AUMI or IAUM?

On 1-year performance, AUMI leads with 48.97% vs 32.42% for IAUM. On fees, IAUM is cheaper at 0.09% per year. On volatility, IAUM has been the lower-risk option at 5.50%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AUMI or IAUM?

Over the 1-year period, AUMI has performed better with a 48.97% return vs 32.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AUMI or IAUM?

IAUM is cheaper with a 0.09% expense ratio, compared with 0.35% for AUMI.

Which ETF pays a higher dividend yield, AUMI or IAUM?

AUMI has the higher dividend yield at 0.92%, compared with 0.00% for IAUM.

What is the main difference between AUMI and IAUM?

AUMI tracks Solactive Global Pure Gold Miners Index, while IAUM tracks LBMA Gold Price PM. They also come from different issuers: Themes and iShares. Their fees differ too: 0.35% for AUMI and 0.09% for IAUM.

Which has better risk-adjusted returns?

IAUM currently has the higher Sharpe Ratio (1.24 vs 1.03), 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.