SUSM.L vs. ISAC.L

Last updated Jun 8, 2026

SUSM.L (iShares MSCI EM SRI UCITS ETF USD (Acc)) and ISAC.L (iShares MSCI ACWI UCITS ETF USD (Acc)) are both exchange-traded funds - SUSM.L is a Emerging Markets Equities fund tracking the MSCI EM SRI Select Reduced Fossil Fuel Index, while ISAC.L is a Global Equities fund tracking the MSCI All Country World Index (Net). Both are passively managed. Over the past 5 years, SUSM.L returned 3.24%/yr vs 11.04%/yr for ISAC.L. A 0.76 correlation means they provide meaningful diversification when combined. SUSM.L charges 0.25%/yr vs 0.20%/yr for ISAC.L.

Performance

SUSM.L vs. ISAC.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI EM SRI UCITS ETF USD (Acc) (SUSM.L) and iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SUSM.L achieves a 10.99% return, which is significantly higher than ISAC.L's 9.82% return.

SUSM.L

• 1D: -0.98%
• 1M: -4.70%
• YTD: 10.99%
• 6M: 13.35%
• 1Y: 32.03%
• 3Y*: 15.03%
• 5Y*: 3.24%
• 10Y*: —

ISAC.L

• 1D: -1.54%
• 1M: 0.72%
• YTD: 9.82%
• 6M: 10.98%
• 1Y: 26.53%
• 3Y*: 20.54%
• 5Y*: 11.04%
• 10Y*: 12.38%

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

SUSM.L vs. ISAC.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SUSM.L iShares MSCI EM SRI UCITS ETF USD (Acc)	10.99%	32.23%	4.76%	1.17%	-18.34%	-1.05%	19.02%	14.88%	-10.27%	34.67%
ISAC.L iShares MSCI ACWI UCITS ETF USD (Acc)	9.82%	22.36%	17.81%	22.57%	-18.16%	18.85%	15.66%	25.75%	-9.73%	24.40%

Correlation

The correlation between SUSM.L and ISAC.L is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (All Time) Calculated using the full available price history since Jul 12, 2016	0.76

The correlation between SUSM.L and ISAC.L has been stable across timeframes, ranging from 0.76 to 0.82 - a consistent structural relationship.

Return for Risk

SUSM.L vs. ISAC.L — Risk / Return Rank

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

SUSM.L

SUSM.L Risk / Return Rank: 56
SUSM.L Sharpe Ratio Rank: 55
SUSM.L Sortino Ratio Rank: 54
SUSM.L Omega Ratio Rank: 55
SUSM.L Calmar Ratio Rank: 58
SUSM.L Martin Ratio Rank: 56

ISAC.L

ISAC.L Risk / Return Rank: 70
ISAC.L Sharpe Ratio Rank: 69
ISAC.L Sortino Ratio Rank: 75
ISAC.L Omega Ratio Rank: 70
ISAC.L Calmar Ratio Rank: 65
ISAC.L Martin Ratio Rank: 72

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.

SUSM.L vs. ISAC.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI EM SRI UCITS ETF USD (Acc) (SUSM.L) and iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.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.

	SUSM.L	ISAC.L	Difference
Sharpe ratio: Return per unit of total volatility	1.69	2.10	-0.41
Sortino ratio: Return per unit of downside risk	2.36	3.11	-0.75
Omega ratio: Gain probability vs. loss probability	1.31	1.38	-0.08
Calmar ratio: Return relative to maximum drawdown	2.59	3.00	-0.40
Martin ratio: Return relative to average drawdown	8.91	12.53	-3.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SUSM.L vs. ISAC.L - Sharpe Ratio Comparison

The current SUSM.L Sharpe Ratio is 1.69, which is comparable to the ISAC.L Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of SUSM.L and ISAC.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

	SUSM.L	ISAC.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	2.10	-0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.17	0.71	-0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.77	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.72	-0.33

Drawdowns

SUSM.L vs. ISAC.L - Drawdown Comparison

The maximum SUSM.L drawdown since its inception was -40.77%, which is greater than ISAC.L's maximum drawdown of -33.82%. Use the drawdown chart below to compare losses from any high point for SUSM.L and ISAC.L.

Drawdown Indicators

	SUSM.L	ISAC.L	Difference
Max Drawdown Largest peak-to-trough decline	-40.77%	-33.82%	-6.95%
Max Drawdown (1Y) Largest decline over 1 year	-12.30%	-8.77%	-3.53%
Max Drawdown (3Y) Largest decline over 3 years	-19.35%	-16.56%	-2.79%
Max Drawdown (5Y) Largest decline over 5 years	-35.54%	-26.07%	-9.47%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.82%	—
Current Drawdown Current decline from peak	-6.78%	-2.25%	-4.53%
Average Drawdown Average peak-to-trough decline	-13.90%	-4.64%	-9.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.59%	2.10%	+1.49%

Volatility

SUSM.L vs. ISAC.L - Volatility Comparison

iShares MSCI EM SRI UCITS ETF USD (Acc) (SUSM.L) has a higher volatility of 7.13% compared to iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L) at 3.89%. This indicates that SUSM.L's price experiences larger fluctuations and is considered to be riskier than ISAC.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SUSM.L	ISAC.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.13%	3.89%	+3.24%
Volatility (6M) Calculated over the trailing 6-month period	16.02%	9.90%	+6.12%
Volatility (1Y) Calculated over the trailing 1-year period	18.90%	12.50%	+6.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.29%	15.58%	+3.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.23%	15.95%	+4.28%

SUSM.L vs. ISAC.L - Expense Ratio Comparison

SUSM.L has a 0.25% expense ratio, which is higher than ISAC.L's 0.20% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SUSM.L vs. ISAC.L - Dividend Comparison

Neither SUSM.L nor ISAC.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both SUSM.L and ISAC.L in my portfolio?

SUSM.L and ISAC.L have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SUSM.L or ISAC.L?

On fees, ISAC.L is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SUSM.L or ISAC.L?

ISAC.L is cheaper with a 0.20% expense ratio, compared with 0.25% for SUSM.L.

What is the main difference between SUSM.L and ISAC.L?

SUSM.L is categorized as Emerging Markets Equities, while ISAC.L is Global Equities. SUSM.L tracks MSCI EM SRI Select Reduced Fossil Fuel Index, while ISAC.L tracks MSCI All Country World Index (Net). Their fees differ too: 0.25% for SUSM.L and 0.20% for ISAC.L.