SUES.L vs. CUS1.L

Last updated Jun 5, 2026

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

Performance

SUES.L vs. CUS1.L - Performance Comparison

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

Returns By Period

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

SUES.L

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

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%

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

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

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
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%

Correlation

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

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

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

Return for Risk

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

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

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

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

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.

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

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

	SUES.L	CUS1.L	Difference
Sharpe ratio: Return per unit of total volatility	2.51	2.40	+0.11
Sortino ratio: Return per unit of downside risk	3.37	3.25	+0.12
Omega ratio: Gain probability vs. loss probability	1.44	1.41	+0.03
Calmar ratio: Return relative to maximum drawdown	3.79	5.52	-1.74
Martin ratio: Return relative to average drawdown	13.42	17.02	-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.

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

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

	SUES.L	CUS1.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.51	2.40	+0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.32	0.41	-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	0.43	0.71	-0.27

Drawdowns

SUES.L vs. CUS1.L - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

SUES.L vs. CUS1.L - Volatility Comparison

iShares MSCI EM SRI UCITS ETF (SUES.L) has a higher volatility of 5.89% compared to iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) at 3.89%. This indicates that SUES.L's price experiences larger fluctuations and is considered to be riskier than CUS1.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

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

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

Dividends

SUES.L vs. CUS1.L - Dividend Comparison

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

Tickers have no history of dividend payments

Frequently Asked Questions

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

SUES.L and CUS1.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, SUES.L or CUS1.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, SUES.L or CUS1.L?

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

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

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