MGK vs. PBUS

Last updated Jun 5, 2026

MGK (Vanguard Mega Cap Growth ETF) and PBUS (Invesco PureBeta MSCI USA ETF) are both Large Cap Growth Equities funds - MGK tracks the CRSP US Mega Cap Growth Index while PBUS tracks the MSCI USA Index. Both are passively managed. Over the past 5 years, MGK returned 16.28%/yr vs 13.58%/yr for PBUS. Their correlation of 0.83 suggests significant overlap in exposure. MGK charges 0.05%/yr vs 0.04%/yr for PBUS.

Performance

MGK vs. PBUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mega Cap Growth ETF (MGK) and Invesco PureBeta MSCI USA ETF (PBUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MGK achieves a 10.16% return, which is significantly lower than PBUS's 11.31% return.

MGK

• 1D: 0.13%
• 1M: 6.68%
• YTD: 10.16%
• 6M: 9.47%
• 1Y: 29.81%
• 3Y*: 26.86%
• 5Y*: 16.28%
• 10Y*: 19.22%

PBUS

• 1D: 0.44%
• 1M: 4.73%
• YTD: 11.31%
• 6M: 11.04%
• 1Y: 28.14%
• 3Y*: 22.81%
• 5Y*: 13.58%
• 10Y*: —

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

MGK vs. PBUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MGK Vanguard Mega Cap Growth ETF	10.16%	20.67%	32.94%	51.67%	-33.59%	28.58%	41.01%	37.38%	-2.91%	7.36%
PBUS Invesco PureBeta MSCI USA ETF	11.31%	17.58%	24.99%	27.33%	-19.64%	26.77%	21.75%	31.60%	-4.77%	7.13%

Correlation

The correlation between MGK and PBUS is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Sep 25, 2017	0.83

The correlation between MGK and PBUS has been stable across timeframes, ranging from 0.83 to 0.93 - a consistent structural relationship.

MGK vs. PBUS - Sectors Allocation Comparison

Sectors	MGK	PBUS
Technology	56.1%	35.4%
Communication Services	17.3%	11.3%
Consumer Cyclical	12.8%	10.1%
Healthcare	4.5%	8.6%
Financial Services	4.5%	11.6%
Real Estate	1.3%	1.9%
Utilities	1.2%	2.3%
Industrials	1.1%	8.6%
Basic Materials	0.7%	1.8%
Consumer Defensive	0.4%	4.8%
Energy	-	3.6%

Return for Risk

MGK vs. PBUS — Risk / Return Rank

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

MGK

MGK Risk / Return Rank: 47
MGK Sharpe Ratio Rank: 55
MGK Sortino Ratio Rank: 52
MGK Omega Ratio Rank: 52
MGK Calmar Ratio Rank: 37
MGK Martin Ratio Rank: 40

PBUS

PBUS Risk / Return Rank: 71
PBUS Sharpe Ratio Rank: 73
PBUS Sortino Ratio Rank: 72
PBUS Omega Ratio Rank: 72
PBUS Calmar Ratio Rank: 64
PBUS Martin Ratio Rank: 75

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.

MGK vs. PBUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mega Cap Growth ETF (MGK) and Invesco PureBeta MSCI USA ETF (PBUS). 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.

	MGK	PBUS	Difference
Sharpe ratio: Return per unit of total volatility	1.85	2.34	-0.50
Sortino ratio: Return per unit of downside risk	2.51	3.20	-0.68
Omega ratio: Gain probability vs. loss probability	1.32	1.42	-0.10
Calmar ratio: Return relative to maximum drawdown	1.78	3.13	-1.36
Martin ratio: Return relative to average drawdown	6.11	14.18	-8.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MGK vs. PBUS - Sharpe Ratio Comparison

The current MGK Sharpe Ratio is 1.85, which is comparable to the PBUS Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of MGK and PBUS, 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

	MGK	PBUS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.85	2.34	-0.50
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.80	-0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.80	-0.14

Drawdowns

MGK vs. PBUS - Drawdown Comparison

The maximum MGK drawdown since its inception was -47.97%, which is greater than PBUS's maximum drawdown of -33.15%. Use the drawdown chart below to compare losses from any high point for MGK and PBUS.

Drawdown Indicators

	MGK	PBUS	Difference
Max Drawdown Largest peak-to-trough decline	-47.97%	-33.15%	-14.82%
Max Drawdown (1Y) Largest decline over 1 year	-16.85%	-9.02%	-7.83%
Max Drawdown (3Y) Largest decline over 3 years	-23.36%	-19.07%	-4.29%
Max Drawdown (5Y) Largest decline over 5 years	-36.01%	-25.40%	-10.61%
Max Drawdown (10Y) Largest decline over 10 years	-36.01%	—	—
Current Drawdown Current decline from peak	-1.30%	-0.21%	-1.09%
Average Drawdown Average peak-to-trough decline	-7.47%	-5.13%	-2.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.89%	1.99%	+2.90%

Volatility

MGK vs. PBUS - Volatility Comparison

Vanguard Mega Cap Growth ETF (MGK) has a higher volatility of 4.00% compared to Invesco PureBeta MSCI USA ETF (PBUS) at 2.88%. This indicates that MGK's price experiences larger fluctuations and is considered to be riskier than PBUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGK	PBUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.00%	2.88%	+1.12%
Volatility (6M) Calculated over the trailing 6-month period	12.36%	9.13%	+3.23%
Volatility (1Y) Calculated over the trailing 1-year period	16.22%	12.06%	+4.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.62%	17.05%	+5.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.88%	19.33%	+2.55%

MGK vs. PBUS - Expense Ratio Comparison

MGK has a 0.05% expense ratio, which is higher than PBUS'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

MGK vs. PBUS - Dividend Comparison

MGK's dividend yield for the trailing twelve months is around 0.32%, less than PBUS's 0.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGK Vanguard Mega Cap Growth ETF	0.32%	0.35%	0.43%	0.50%	0.70%	0.41%	0.65%	0.85%	1.12%	1.23%	1.53%	1.43%
PBUS Invesco PureBeta MSCI USA ETF	0.98%	1.05%	1.20%	1.36%	1.71%	0.98%	1.35%	1.53%	2.33%	0.50%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MGK and PBUS in my portfolio?

With a correlation of 0.91, MGK and PBUS 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, MGK or PBUS?

MGK has higher volatility (4.00%) compared to PBUS (2.88%). In terms of maximum drawdown, MGK dropped -47.97% vs PBUS's -33.15%.

Which ETF is better, MGK or PBUS?

On 5-year performance, MGK leads with 16.28% vs 13.58% for PBUS. On fees, PBUS is cheaper at 0.04% per year. On volatility, PBUS has been the lower-risk option at 2.88%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MGK or PBUS?

Over the 5-year period, MGK has performed better with a 16.28% return vs 13.58%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MGK or PBUS?

PBUS is cheaper with a 0.04% expense ratio, compared with 0.05% for MGK.

Which ETF pays a higher dividend yield, MGK or PBUS?

PBUS has the higher dividend yield at 0.98%, compared with 0.32% for MGK.

What is the main difference between MGK and PBUS?

MGK tracks CRSP US Mega Cap Growth Index, while PBUS tracks MSCI USA Index. They also come from different issuers: Vanguard and Invesco. Their fees differ too: 0.05% for MGK and 0.04% for PBUS.

Which has better risk-adjusted returns?

PBUS currently has the higher Sharpe Ratio (2.34 vs 1.85), 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.