VOOG vs. IUSG

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard S&P 500 Growth ETF (VOOG) and iShares Core S&P U.S. Growth ETF (IUSG).

VOOG and IUSG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VOOG is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Growth Index. It was launched on Apr 5, 2019. IUSG is a passively managed fund by iShares that tracks the performance of the Russell 3000 Growth Index. It was launched on Jul 24, 2000. Both VOOG and IUSG are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

VOOG vs. IUSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 Growth ETF (VOOG) and iShares Core S&P U.S. Growth ETF (IUSG). The values are adjusted to include any dividend payments, if applicable.

VOOG vs. IUSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VOOG Vanguard S&P 500 Growth ETF	-6.97%	22.11%	35.89%	29.96%	-29.48%	31.95%	33.35%	30.93%	-0.21%	27.19%
IUSG iShares Core S&P U.S. Growth ETF	-6.29%	21.23%	34.70%	29.28%	-28.81%	31.26%	32.65%	30.62%	-0.79%	27.02%

Returns By Period

In the year-to-date period, VOOG achieves a -6.97% return, which is significantly lower than IUSG's -6.29% return. Both investments have delivered pretty close results over the past 10 years, with VOOG having a 15.86% annualized return and IUSG not far behind at 15.66%.

VOOG

• 1D: 1.30%
• 1M: -4.28%
• YTD: -6.97%
• 6M: -5.29%
• 1Y: 23.21%
• 3Y*: 22.32%
• 5Y*: 12.46%
• 10Y*: 15.86%

IUSG

• 1D: 1.35%
• 1M: -4.30%
• YTD: -6.29%
• 6M: -4.63%
• 1Y: 23.27%
• 3Y*: 21.89%
• 5Y*: 12.17%
• 10Y*: 15.66%

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

VOOG vs. IUSG - Expense Ratio Comparison

VOOG has a 0.07% 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%.

VOOG

Vanguard S&P 500 Growth ETF

IUSG

iShares Core S&P U.S. Growth ETF

Return for Risk

VOOG vs. IUSG — Risk / Return Rank

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

VOOG

VOOG Risk / Return Rank: 62
VOOG Sharpe Ratio Rank: 57
VOOG Sortino Ratio Rank: 61
VOOG Omega Ratio Rank: 60
VOOG Calmar Ratio Rank: 67
VOOG Martin Ratio Rank: 66

IUSG

IUSG Risk / Return Rank: 64
IUSG Sharpe Ratio Rank: 58
IUSG Sortino Ratio Rank: 63
IUSG Omega Ratio Rank: 61
IUSG Calmar Ratio Rank: 70
IUSG Martin Ratio Rank: 69

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.

VOOG vs. IUSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 Growth ETF (VOOG) 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.

	VOOG	IUSG	Difference
Sharpe ratio Return per unit of total volatility	1.05	1.06	-0.01
Sortino ratio Return per unit of downside risk	1.62	1.64	-0.02
Omega ratio Gain probability vs. loss probability	1.23	1.23	0.00
Calmar ratio Return relative to maximum drawdown	1.76	1.87	-0.11
Martin ratio Return relative to average drawdown	6.81	7.25	-0.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VOOG vs. IUSG - Sharpe Ratio Comparison

The current VOOG Sharpe Ratio is 1.05, which is comparable to the IUSG Sharpe Ratio of 1.06. The chart below compares the historical Sharpe Ratios of VOOG and IUSG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VOOG	IUSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.05	1.06	-0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.59	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	0.77	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.35	+0.49

Correlation

The correlation between VOOG and IUSG is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VOOG vs. IUSG - Dividend Comparison

VOOG's dividend yield for the trailing twelve months is around 0.53%, less than IUSG's 0.57% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VOOG Vanguard S&P 500 Growth ETF	0.53%	0.49%	0.49%	1.12%	0.93%	0.53%	0.88%	1.26%	1.34%	1.32%	1.47%	1.56%
IUSG iShares Core S&P U.S. Growth ETF	0.57%	0.53%	0.59%	1.12%	1.07%	0.59%	0.93%	1.64%	1.32%	1.28%	1.48%	1.29%

Drawdowns

VOOG vs. IUSG - Drawdown Comparison

The maximum VOOG drawdown since its inception was -32.73%, smaller than the maximum IUSG drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for VOOG and IUSG.

Drawdown Indicators

	VOOG	IUSG	Difference
Max Drawdown Largest peak-to-trough decline	-32.73%	-63.41%	+30.68%
Max Drawdown (1Y) Largest decline over 1 year	-13.71%	-13.07%	-0.64%
Max Drawdown (5Y) Largest decline over 5 years	-32.73%	-32.21%	-0.52%
Max Drawdown (10Y) Largest decline over 10 years	-32.73%	-32.35%	-0.38%
Current Drawdown Current decline from peak	-9.07%	-8.34%	-0.73%
Average Drawdown Average peak-to-trough decline	-5.01%	-21.57%	+16.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.54%	3.37%	+0.17%

Volatility

VOOG vs. IUSG - Volatility Comparison

Vanguard S&P 500 Growth ETF (VOOG) and iShares Core S&P U.S. Growth ETF (IUSG) have volatilities of 7.28% and 7.27%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VOOG	IUSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.28%	7.27%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	12.68%	12.59%	+0.09%
Volatility (1Y) Calculated over the trailing 1-year period	22.28%	22.05%	+0.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.16%	20.83%	+0.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.65%	20.34%	+0.31%