CUS1.L vs. SUES.L

Last updated Jun 5, 2026

CUS1.L (iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc)) and SUES.L (iShares MSCI EM SRI UCITS ETF) are both exchange-traded funds - CUS1.L is a Small Cap Blend Equities fund tracking the Russell 2000 TR USD, while SUES.L is a Emerging Markets Equities fund tracking the MSCI EM NR USD. Both are passively managed. Over the past 5 years, CUS1.L returned 7.82%/yr vs 5.18%/yr for SUES.L. A 0.58 correlation means they provide meaningful diversification when combined. CUS1.L charges 0.43%/yr vs 0.25%/yr for SUES.L.

Performance

CUS1.L vs. SUES.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) and iShares MSCI EM SRI UCITS ETF (SUES.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with CUS1.L having a 15.99% return and SUES.L slightly higher at 16.30%.

CUS1.L

• 1D: 1.06%
• 1M: 4.90%
• YTD: 15.99%
• 6M: 15.37%
• 1Y: 35.71%
• 3Y*: 13.68%
• 5Y*: 7.82%
• 10Y*: 11.83%

SUES.L

• 1D: -1.52%
• 1M: 3.02%
• YTD: 16.30%
• 6M: 18.19%
• 1Y: 39.85%
• 3Y*: 14.44%
• 5Y*: 5.18%
• 10Y*: —

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

CUS1.L vs. SUES.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CUS1.L iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc)	15.99%	2.68%	11.54%	11.30%	-7.26%	19.95%	14.64%	22.34%	-6.43%	6.42%
SUES.L iShares MSCI EM SRI UCITS ETF	16.30%	22.98%	6.49%	-4.42%	-8.54%	0.22%	14.91%	11.22%	-4.94%	22.48%

Correlation

The correlation between CUS1.L and SUES.L is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (All Time) Calculated using the full available price history since Jul 13, 2016	0.58

The correlation between CUS1.L and SUES.L has been stable across timeframes, ranging from 0.51 to 0.58 - a consistent structural relationship.

CUS1.L vs. SUES.L - Sectors Allocation Comparison

Sectors	CUS1.L	SUES.L
Industrials	19.6%	5.2%
Technology	16.8%	42.5%
Financial Services	15.1%	20.2%
Healthcare	12.6%	3.2%
Consumer Cyclical	10.5%	9.9%
Real Estate	7.0%	1.5%
Energy	5.6%	-
Consumer Defensive	3.9%	2.9%
Basic Materials	3.9%	5.8%
Utilities	2.7%	1.2%
Communication Services	2.5%	7.7%

Return for Risk

CUS1.L vs. SUES.L — Risk / Return Rank

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

CUS1.L

CUS1.L Risk / Return Rank: 78
CUS1.L Sharpe Ratio Rank: 75
CUS1.L Sortino Ratio Rank: 73
CUS1.L Omega Ratio Rank: 70
CUS1.L Calmar Ratio Rank: 90
CUS1.L Martin Ratio Rank: 84

SUES.L

SUES.L Risk / Return Rank: 76
SUES.L Sharpe Ratio Rank: 79
SUES.L Sortino Ratio Rank: 76
SUES.L Omega Ratio Rank: 76
SUES.L Calmar Ratio Rank: 76
SUES.L Martin Ratio Rank: 73

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.

CUS1.L vs. SUES.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) and iShares MSCI EM SRI UCITS ETF (SUES.L). 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.

	CUS1.L	SUES.L	Difference
Sharpe ratio: Return per unit of total volatility	2.40	2.51	-0.11
Sortino ratio: Return per unit of downside risk	3.25	3.37	-0.12
Omega ratio: Gain probability vs. loss probability	1.41	1.44	-0.03
Calmar ratio: Return relative to maximum drawdown	5.52	3.79	+1.74
Martin ratio: Return relative to average drawdown	17.02	13.42	+3.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CUS1.L vs. SUES.L - Sharpe Ratio Comparison

The current CUS1.L Sharpe Ratio is 2.40, which is comparable to the SUES.L Sharpe Ratio of 2.51. The chart below compares the historical Sharpe Ratios of CUS1.L and SUES.L, 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

	CUS1.L	SUES.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	2.51	-0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.41	0.32	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	0.43	+0.27

Drawdowns

CUS1.L vs. SUES.L - Drawdown Comparison

The maximum CUS1.L drawdown since its inception was -35.26%, which is greater than SUES.L's maximum drawdown of -30.11%. Use the drawdown chart below to compare losses from any high point for CUS1.L and SUES.L.

Drawdown Indicators

	CUS1.L	SUES.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.26%	-30.11%	-5.15%
Max Drawdown (1Y) Largest decline over 1 year	-6.44%	-10.48%	+4.04%
Max Drawdown (3Y) Largest decline over 3 years	-28.89%	-17.77%	-11.12%
Max Drawdown (5Y) Largest decline over 5 years	-28.89%	-24.78%	-4.11%
Max Drawdown (10Y) Largest decline over 10 years	-35.26%	—	—
Current Drawdown Current decline from peak	0.00%	-2.59%	+2.59%
Average Drawdown Average peak-to-trough decline	-6.38%	-9.15%	+2.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.09%	2.96%	-0.87%

Volatility

CUS1.L vs. SUES.L - Volatility Comparison

The current volatility for iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) is 3.89%, while iShares MSCI EM SRI UCITS ETF (SUES.L) has a volatility of 5.89%. This indicates that CUS1.L experiences smaller price fluctuations and is considered to be less risky than SUES.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CUS1.L	SUES.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.89%	5.89%	-2.00%
Volatility (6M) Calculated over the trailing 6-month period	9.97%	12.99%	-3.02%
Volatility (1Y) Calculated over the trailing 1-year period	14.81%	15.81%	-1.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.85%	16.41%	+2.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.56%	17.94%	+1.62%

CUS1.L vs. SUES.L - Expense Ratio Comparison

CUS1.L has a 0.43% expense ratio, which is higher than SUES.L's 0.25% expense ratio.

Dividends

CUS1.L vs. SUES.L - Dividend Comparison

Neither CUS1.L nor SUES.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both CUS1.L and SUES.L in my portfolio?

CUS1.L and SUES.L have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CUS1.L or SUES.L?

On fees, SUES.L is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CUS1.L or SUES.L?

SUES.L is cheaper with a 0.25% expense ratio, compared with 0.43% for CUS1.L.

What is the main difference between CUS1.L and SUES.L?

CUS1.L is categorized as Small Cap Blend Equities, while SUES.L is Emerging Markets Equities. CUS1.L tracks Russell 2000 TR USD, while SUES.L tracks MSCI EM NR USD. Their fees differ too: 0.43% for CUS1.L and 0.25% for SUES.L.