STLG vs. IUSG

Last updated Jun 4, 2026

STLG (iShares Factors US Growth Style ETF) and IUSG (iShares Core S&P U.S. Growth ETF) are both Large Cap Growth Equities funds from iShares - STLG tracks the Russell US Large Cap Factors Growth Style Index while IUSG tracks the Russell 3000 Growth Index. Both are passively managed. Over the past 5 years, STLG returned 20.26%/yr vs 15.69%/yr for IUSG. Their correlation of 0.93 suggests significant overlap in exposure. STLG charges 0.25%/yr vs 0.04%/yr for IUSG.

Performance

STLG vs. IUSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Factors US Growth Style ETF (STLG) and iShares Core S&P U.S. Growth ETF (IUSG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, STLG achieves a 21.29% return, which is significantly higher than IUSG's 14.08% return.

STLG

• 1D: -0.72%
• 1M: 11.92%
• YTD: 21.29%
• 6M: 21.80%
• 1Y: 43.57%
• 3Y*: 33.60%
• 5Y*: 20.26%
• 10Y*: —

IUSG

• 1D: -0.89%
• 1M: 7.35%
• YTD: 14.08%
• 6M: 13.91%
• 1Y: 33.89%
• 3Y*: 27.59%
• 5Y*: 15.69%
• 10Y*: 17.88%

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

STLG vs. IUSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
STLG iShares Factors US Growth Style ETF	21.29%	21.49%	37.42%	42.86%	-26.75%	27.99%	26.51%
IUSG iShares Core S&P U.S. Growth ETF	14.08%	21.23%	34.70%	29.28%	-28.81%	31.26%	27.35%

Correlation

The correlation between STLG and IUSG is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (All Time) Calculated using the full available price history since Jan 17, 2020	0.93

The correlation between STLG and IUSG has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.

STLG vs. IUSG - Sectors Allocation Comparison

Sectors	STLG	IUSG
Technology	54.2%	48.0%
Consumer Cyclical	16.7%	9.3%
Healthcare	8.8%	6.2%
Communication Services	6.3%	17.1%
Industrials	5.7%	7.5%
Consumer Defensive	3.0%	1.0%
Financial Services	2.2%	8.8%
Utilities	1.6%	0.5%
Energy	1.1%	0.2%
Basic Materials	0.2%	0.5%
Real Estate	0.0%	0.9%

Return for Risk

STLG vs. IUSG — Risk / Return Rank

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

STLG

STLG Risk / Return Rank: 69
STLG Sharpe Ratio Rank: 74
STLG Sortino Ratio Rank: 69
STLG Omega Ratio Rank: 67
STLG Calmar Ratio Rank: 64
STLG Martin Ratio Rank: 69

IUSG

IUSG Risk / Return Rank: 59
IUSG Sharpe Ratio Rank: 64
IUSG Sortino Ratio Rank: 61
IUSG Omega Ratio Rank: 60
IUSG Calmar Ratio Rank: 52
IUSG Martin Ratio Rank: 61

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.

STLG vs. IUSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Factors US Growth Style ETF (STLG) and iShares Core S&P U.S. Growth ETF (IUSG). 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.

	STLG	IUSG	Difference
Sharpe ratio: Return per unit of total volatility	2.45	2.17	+0.28
Sortino ratio: Return per unit of downside risk	3.18	2.93	+0.25
Omega ratio: Gain probability vs. loss probability	1.41	1.37	+0.04
Calmar ratio: Return relative to maximum drawdown	3.20	2.61	+0.59
Martin ratio: Return relative to average drawdown	12.85	11.09	+1.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STLG vs. IUSG - Sharpe Ratio Comparison

The current STLG Sharpe Ratio is 2.45, which is comparable to the IUSG Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of STLG and IUSG, 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

	STLG	IUSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.45	2.17	+0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.93	0.76	+0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.88	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.90	0.38	+0.51

Drawdowns

STLG vs. IUSG - Drawdown Comparison

The maximum STLG drawdown since its inception was -31.34%, smaller than the maximum IUSG drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for STLG and IUSG.

Drawdown Indicators

	STLG	IUSG	Difference
Max Drawdown Largest peak-to-trough decline	-31.34%	-63.41%	+32.07%
Max Drawdown (1Y) Largest decline over 1 year	-13.69%	-13.07%	-0.62%
Max Drawdown (3Y) Largest decline over 3 years	-23.73%	-22.28%	-1.45%
Max Drawdown (5Y) Largest decline over 5 years	-30.61%	-32.21%	+1.60%
Max Drawdown (10Y) Largest decline over 10 years	—	-32.35%	—
Current Drawdown Current decline from peak	-0.73%	-0.98%	+0.25%
Average Drawdown Average peak-to-trough decline	-7.36%	-21.44%	+14.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.40%	3.06%	+0.34%

Volatility

STLG vs. IUSG - Volatility Comparison

iShares Factors US Growth Style ETF (STLG) has a higher volatility of 5.03% compared to iShares Core S&P U.S. Growth ETF (IUSG) at 4.23%. This indicates that STLG's price experiences larger fluctuations and is considered to be riskier than IUSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STLG	IUSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.03%	4.23%	+0.80%
Volatility (6M) Calculated over the trailing 6-month period	13.89%	12.23%	+1.66%
Volatility (1Y) Calculated over the trailing 1-year period	17.89%	15.72%	+2.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.97%	20.87%	+1.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.89%	20.40%	+3.49%

STLG vs. IUSG - Expense Ratio Comparison

STLG has a 0.25% expense ratio, which is higher than IUSG's 0.04% 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

STLG vs. IUSG - Dividend Comparison

STLG's dividend yield for the trailing twelve months is around 0.25%, less than IUSG's 0.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IUSG iShares Core S&P U.S. Growth ETF	0.47%	0.53%	0.59%	1.12%	1.07%	0.59%	0.93%	1.64%	1.32%	1.28%	1.48%	1.29%
STLG iShares Factors US Growth Style ETF	0.25%	0.31%	0.38%	0.75%	1.85%	0.67%	0.75%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both STLG and IUSG in my portfolio?

With a correlation of 0.94, STLG and IUSG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, STLG or IUSG?

STLG has higher volatility (5.03%) compared to IUSG (4.23%). In terms of maximum drawdown, STLG dropped -31.34% vs IUSG's -63.41%.

Which ETF is better, STLG or IUSG?

On 5-year performance, STLG leads with 20.26% vs 15.69% for IUSG. On fees, IUSG is cheaper at 0.04% per year. On volatility, IUSG has been the lower-risk option at 4.23%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, STLG or IUSG?

Over the 5-year period, STLG has performed better with a 20.26% return vs 15.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, STLG or IUSG?

IUSG is cheaper with a 0.04% expense ratio, compared with 0.25% for STLG.

Which ETF pays a higher dividend yield, STLG or IUSG?

IUSG has the higher dividend yield at 0.47%, compared with 0.25% for STLG.

What is the main difference between STLG and IUSG?

STLG tracks Russell US Large Cap Factors Growth Style Index, while IUSG tracks Russell 3000 Growth Index. Their fees differ too: 0.25% for STLG and 0.04% for IUSG.

Which has better risk-adjusted returns?

STLG currently has the higher Sharpe Ratio (2.45 vs 2.17), 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.