IWY vs. VUG

Last updated Jun 4, 2026

IWY (iShares Russell Top 200 Growth ETF) and VUG (Vanguard Growth ETF) are both Large Cap Growth Equities funds - IWY tracks the Russell Top 200 Growth Index while VUG tracks the CRSP US Large Cap Growth Index. Both are passively managed. Over the past 10 years, IWY returned 19.57%/yr vs 18.26%/yr for VUG. With a 0.97 correlation, they move nearly in lockstep. IWY charges 0.20%/yr vs 0.03%/yr for VUG.

Performance

IWY vs. VUG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell Top 200 Growth ETF (IWY) and Vanguard Growth ETF (VUG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWY achieves a 7.20% return, which is significantly lower than VUG's 9.49% return. Over the past 10 years, IWY has outperformed VUG with an annualized return of 19.57%, while VUG has yielded a comparatively lower 18.26% annualized return.

IWY

• 1D: -1.41%
• 1M: 5.83%
• YTD: 7.20%
• 6M: 6.65%
• 1Y: 26.69%
• 3Y*: 25.47%
• 5Y*: 16.45%
• 10Y*: 19.57%

VUG

• 1D: -1.23%
• 1M: 6.22%
• YTD: 9.49%
• 6M: 8.72%
• 1Y: 27.84%
• 3Y*: 25.93%
• 5Y*: 15.11%
• 10Y*: 18.26%

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

IWY vs. VUG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IWY iShares Russell Top 200 Growth ETF	7.20%	18.19%	34.89%	46.49%	-29.91%	31.05%	39.01%	36.20%	-0.72%	31.69%
VUG Vanguard Growth ETF	9.49%	19.40%	32.69%	46.83%	-33.16%	27.35%	40.25%	37.03%	-3.32%	27.72%

Correlation

The correlation between IWY and VUG is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Sep 29, 2009	0.97

The correlation between IWY and VUG has been stable across timeframes, ranging from 0.97 to 0.99 - a consistent structural relationship.

IWY vs. VUG - Sectors Allocation Comparison

Sectors	IWY	VUG
Technology	54.9%	53.5%
Communication Services	13.9%	17.3%
Consumer Cyclical	11.4%	12.2%
Healthcare	6.6%	4.6%
Financial Services	5.6%	4.3%
Industrials	4.0%	3.6%
Consumer Defensive	3.0%	1.5%
Utilities	1.1%	0.9%
Real Estate	0.3%	1.0%
Basic Materials	0.3%	0.6%
Energy	0.0%	0.4%

Return for Risk

IWY vs. VUG — Risk / Return Rank

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

IWY

IWY Risk / Return Rank: 41
IWY Sharpe Ratio Rank: 49
IWY Sortino Ratio Rank: 46
IWY Omega Ratio Rank: 46
IWY Calmar Ratio Rank: 32
IWY Martin Ratio Rank: 34

VUG

VUG Risk / Return Rank: 43
VUG Sharpe Ratio Rank: 50
VUG Sortino Ratio Rank: 47
VUG Omega Ratio Rank: 48
VUG Calmar Ratio Rank: 33
VUG Martin Ratio Rank: 37

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.

IWY vs. VUG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell Top 200 Growth ETF (IWY) and Vanguard Growth ETF (VUG). 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.

	IWY	VUG	Difference
Sharpe ratio: Return per unit of total volatility	1.73	1.77	-0.04
Sortino ratio: Return per unit of downside risk	2.36	2.40	-0.04
Omega ratio: Gain probability vs. loss probability	1.30	1.31	-0.01
Calmar ratio: Return relative to maximum drawdown	1.61	1.69	-0.08
Martin ratio: Return relative to average drawdown	5.26	5.92	-0.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWY vs. VUG - Sharpe Ratio Comparison

The current IWY Sharpe Ratio is 1.73, which is comparable to the VUG Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of IWY and VUG, 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

	IWY	VUG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.73	1.77	-0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.77	0.68	+0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.94	0.85	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.92	0.62	+0.30

Drawdowns

IWY vs. VUG - Drawdown Comparison

The maximum IWY drawdown since its inception was -32.68%, smaller than the maximum VUG drawdown of -50.68%. Use the drawdown chart below to compare losses from any high point for IWY and VUG.

Drawdown Indicators

	IWY	VUG	Difference
Max Drawdown Largest peak-to-trough decline	-32.68%	-50.68%	+18.00%
Max Drawdown (1Y) Largest decline over 1 year	-16.63%	-16.53%	-0.10%
Max Drawdown (3Y) Largest decline over 3 years	-23.22%	-22.85%	-0.37%
Max Drawdown (5Y) Largest decline over 5 years	-32.68%	-35.61%	+2.93%
Max Drawdown (10Y) Largest decline over 10 years	-32.68%	-35.61%	+2.93%
Current Drawdown Current decline from peak	-1.82%	-1.51%	-0.31%
Average Drawdown Average peak-to-trough decline	-4.75%	-7.09%	+2.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.09%	4.71%	+0.38%

Volatility

IWY vs. VUG - Volatility Comparison

iShares Russell Top 200 Growth ETF (IWY) and Vanguard Growth ETF (VUG) have volatilities of 3.69% and 3.83%, 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

	IWY	VUG	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.69%	3.83%	-0.14%
Volatility (6M) Calculated over the trailing 6-month period	11.65%	12.11%	-0.46%
Volatility (1Y) Calculated over the trailing 1-year period	15.54%	15.84%	-0.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.48%	22.22%	-0.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.97%	21.44%	-0.47%

IWY vs. VUG - Expense Ratio Comparison

IWY has a 0.20% expense ratio, which is higher than VUG's 0.03% 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

IWY vs. VUG - Dividend Comparison

IWY's dividend yield for the trailing twelve months is around 0.33%, less than VUG's 0.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWY iShares Russell Top 200 Growth ETF	0.33%	0.36%	0.42%	0.68%	0.88%	0.50%	0.71%	1.06%	1.32%	1.26%	1.51%	1.58%
VUG Vanguard Growth ETF	0.37%	0.41%	0.47%	0.58%	0.70%	0.48%	0.66%	0.95%	1.32%	1.14%	1.39%	1.30%

Frequently Asked Questions

Can I hold both IWY and VUG in my portfolio?

With a correlation of 0.98, IWY and VUG 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, IWY or VUG?

VUG has higher volatility (3.83%) compared to IWY (3.69%). In terms of maximum drawdown, IWY dropped -32.68% vs VUG's -50.68%.

Which ETF is better, IWY or VUG?

On 10-year performance, IWY leads with 19.57% vs 18.26% for VUG. On fees, VUG is cheaper at 0.03% per year. On volatility, IWY has been the lower-risk option at 3.69%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IWY or VUG?

Over the 10-year period, IWY has performed better with a 19.57% return vs 18.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IWY or VUG?

VUG is cheaper with a 0.03% expense ratio, compared with 0.20% for IWY.

Which ETF pays a higher dividend yield, IWY or VUG?

VUG has the higher dividend yield at 0.37%, compared with 0.33% for IWY.

What is the main difference between IWY and VUG?

IWY tracks Russell Top 200 Growth Index, while VUG tracks CRSP US Large Cap Growth Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for IWY and 0.03% for VUG.

Which has better risk-adjusted returns?

VUG currently has the higher Sharpe Ratio (1.77 vs 1.73), 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.