GSC vs. IWM

Last updated Jun 3, 2026

GSC (Goldman Sachs Small Cap Core Equity ETF) and IWM (iShares Russell 2000 ETF) are both Small Cap Blend Equities funds. GSC is actively managed, while IWM is passively managed. Over the past 10 years, GSC returned 10.86%/yr vs 11.08%/yr for IWM. At a 0.32 correlation, their price movements are largely independent. GSC charges 0.75%/yr vs 0.19%/yr for IWM.

Performance

GSC vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Goldman Sachs Small Cap Core Equity ETF (GSC) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GSC achieves a 15.94% return, which is significantly lower than IWM's 18.69% return. Both investments have delivered pretty close results over the past 10 years, with GSC having a 10.86% annualized return and IWM not far ahead at 11.08%.

GSC

• 1D: 1.50%
• 1M: 4.33%
• YTD: 15.94%
• 6M: 16.68%
• 1Y: 29.31%
• 3Y*: 26.33%
• 5Y*: 21.12%
• 10Y*: 10.86%

IWM

• 1D: 0.93%
• 1M: 4.43%
• YTD: 18.69%
• 6M: 19.57%
• 1Y: 43.31%
• 3Y*: 18.42%
• 5Y*: 6.49%
• 10Y*: 11.08%

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

GSC vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GSC Goldman Sachs Small Cap Core Equity ETF	15.94%	6.29%	13.79%	33.52%	28.40%	58.09%	-33.08%	29.69%	-19.52%	2.90%
IWM iShares Russell 2000 ETF	18.69%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between GSC and IWM is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.30
Correlation (All Time) Calculated using the full available price history since Dec 28, 2007	0.32

Over the past year, GSC and IWM have become more correlated (0.79) than their long-term average of 0.32, meaning their price movements have been converging.

GSC vs. IWM - Sectors Allocation Comparison

Sectors	GSC	IWM
Technology	23.6%	19.5%
Industrials	17.5%	17.1%
Financial Services	16.5%	15.8%
Healthcare	12.4%	15.8%
Consumer Cyclical	8.8%	7.8%
Basic Materials	6.4%	4.5%
Energy	4.2%	6.0%
Consumer Defensive	3.8%	2.1%
Utilities	3.1%	3.0%
Real Estate	2.6%	5.7%
Communication Services	0.9%	2.0%

Return for Risk

GSC vs. IWM — Risk / Return Rank

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

GSC

GSC Risk / Return Rank: 45
GSC Sharpe Ratio Rank: 10
GSC Sortino Ratio Rank: 84
GSC Omega Ratio Rank: 98
GSC Calmar Ratio Rank: 15
GSC Martin Ratio Rank: 17

IWM

IWM Risk / Return Rank: 69
IWM Sharpe Ratio Rank: 68
IWM Sortino Ratio Rank: 67
IWM Omega Ratio Rank: 60
IWM Calmar Ratio Rank: 77
IWM 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.

GSC vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Small Cap Core Equity ETF (GSC) and iShares Russell 2000 ETF (IWM). 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.

	GSC	IWM	Difference
Sharpe ratio Return per unit of total volatility	0.07	2.27	-2.20
Sortino ratio Return per unit of downside risk	3.81	3.12	+0.69
Omega ratio Gain probability vs. loss probability	1.99	1.37	+0.62
Calmar ratio Return relative to maximum drawdown	0.51	3.97	-3.46
Martin ratio Return relative to average drawdown	1.74	14.12	-12.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GSC vs. IWM - Sharpe Ratio Comparison

The current GSC Sharpe Ratio is 0.07, which is lower than the IWM Sharpe Ratio of 2.27. The chart below compares the historical Sharpe Ratios of GSC and IWM, 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

	GSC	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.07	2.27	-2.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.10	0.29	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.07	0.48	-0.41
Sharpe Ratio (All Time) Calculated using the full available price history	-0.00	0.37	-0.37

Drawdowns

GSC vs. IWM - Drawdown Comparison

The maximum GSC drawdown since its inception was -88.63%, which is greater than IWM's maximum drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for GSC and IWM.

Drawdown Indicators

	GSC	IWM	Difference
Max Drawdown Largest peak-to-trough decline	-88.63%	-59.05%	-29.58%
Max Drawdown (1Y) Largest decline over 1 year	-58.25%	-11.03%	-47.22%
Max Drawdown (3Y) Largest decline over 3 years	-58.25%	-27.50%	-30.75%
Max Drawdown (5Y) Largest decline over 5 years	-58.25%	-31.91%	-26.34%
Max Drawdown (10Y) Largest decline over 10 years	-66.06%	-41.13%	-24.93%
Current Drawdown Current decline from peak	-31.14%	-0.13%	-31.01%
Average Drawdown Average peak-to-trough decline	-59.28%	-10.77%	-48.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.91%	3.10%	+13.81%

Volatility

GSC vs. IWM - Volatility Comparison

Goldman Sachs Small Cap Core Equity ETF (GSC) has a higher volatility of 5.99% compared to iShares Russell 2000 ETF (IWM) at 5.56%. This indicates that GSC's price experiences larger fluctuations and is considered to be riskier than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GSC	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.99%	5.56%	+0.43%
Volatility (6M) Calculated over the trailing 6-month period	203.12%	13.52%	+189.60%
Volatility (1Y) Calculated over the trailing 1-year period	403.79%	19.14%	+384.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	218.93%	22.52%	+196.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	160.41%	23.04%	+137.37%

GSC vs. IWM - Expense Ratio Comparison

GSC has a 0.75% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

GSC vs. IWM - Dividend Comparison

GSC's dividend yield for the trailing twelve months is around 0.17%, less than IWM's 0.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GSC Goldman Sachs Small Cap Core Equity ETF	0.17%	0.16%	0.66%	0.11%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
IWM iShares Russell 2000 ETF	0.87%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%

Frequently Asked Questions

Can I hold both GSC and IWM in my portfolio?

GSC and IWM have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GSC or IWM?

GSC has higher volatility (5.99%) compared to IWM (5.56%). In terms of maximum drawdown, GSC dropped -88.63% vs IWM's -59.05%.

Which ETF is better, GSC or IWM?

On 10-year performance, IWM leads with 11.08% vs 10.86% for GSC. On fees, IWM is cheaper at 0.19% per year. On volatility, IWM has been the lower-risk option at 5.56%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GSC or IWM?

Over the 10-year period, IWM has performed better with a 11.08% return vs 10.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GSC or IWM?

IWM is cheaper with a 0.19% expense ratio, compared with 0.75% for GSC.

Which ETF pays a higher dividend yield, GSC or IWM?

IWM has the higher dividend yield at 0.87%, compared with 0.17% for GSC.

What is the main difference between GSC and IWM?

They also come from different issuers: Goldman Sachs and iShares. Their fees differ too: 0.75% for GSC and 0.19% for IWM.

Which has better risk-adjusted returns?

IWM currently has the higher Sharpe Ratio (2.27 vs 0.07), 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.