MGV vs. SEIV

Last updated Jul 15, 2026

MGV (Vanguard Mega Cap Value ETF) and SEIV (SEI Enhanced US Large Cap Value Factor ETF) are both Large Cap Value Equities funds. MGV is passively managed, while SEIV is actively managed. Over the past 3 years, MGV returned 18.79%/yr vs 24.41%/yr for SEIV. Their correlation of 0.85 suggests significant overlap in exposure. MGV charges 0.05%/yr vs 0.15%/yr for SEIV.

Performance

MGV vs. SEIV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mega Cap Value ETF (MGV) and SEI Enhanced US Large Cap Value Factor ETF (SEIV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with MGV having a 16.50% return and SEIV slightly higher at 17.10%.

MGV

• 1D: -0.34%
• 1M: 0.87%
• 6M: 13.19%
• YTD: 16.50%
• 1Y: 25.77%
• 3Y*: 18.79%
• 5Y*: 12.85%
• 10Y*: 12.73%

SEIV

• 1D: -0.15%
• 1M: -0.22%
• 6M: 16.18%
• YTD: 17.10%
• 1Y: 35.43%
• 3Y*: 24.41%
• 5Y*: —
• 10Y*: —

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

MGV vs. SEIV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
MGV Vanguard Mega Cap Value ETF	16.50%	15.45%	16.94%	9.16%	1.39%
SEIV SEI Enhanced US Large Cap Value Factor ETF	17.10%	27.43%	19.73%	21.90%	-5.02%

Correlation

The correlation between MGV and SEIV is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (All Time) Calculated using the full available price history since May 18, 2022	0.85

The correlation between MGV and SEIV has been stable across timeframes, ranging from 0.76 to 0.85 - a consistent structural relationship.

MGV vs. SEIV - Sectors Allocation Comparison

Sectors	MGV	SEIV
Financial Services	22.8%	14.0%
Technology	18.5%	37.6%
Healthcare	16.0%	9.9%
Industrials	13.2%	3.7%
Consumer Defensive	11.0%	3.7%
Energy	6.0%	2.5%
Consumer Cyclical	3.4%	10.1%
Communication Services	3.2%	10.5%
Basic Materials	2.3%	1.6%
Utilities	2.3%	6.0%
Real Estate	1.2%	0.3%

Return for Risk

MGV vs. SEIV — Risk / Return Rank

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

MGV

MGV Risk / Return Rank: 90
MGV Sharpe Ratio Rank: 92
MGV Sortino Ratio Rank: 93
MGV Omega Ratio Rank: 90
MGV Calmar Ratio Rank: 88
MGV Martin Ratio Rank: 89

SEIV

SEIV Risk / Return Rank: 93
SEIV Sharpe Ratio Rank: 94
SEIV Sortino Ratio Rank: 94
SEIV Omega Ratio Rank: 93
SEIV Calmar Ratio Rank: 93
SEIV Martin Ratio Rank: 93

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.

MGV vs. SEIV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mega Cap Value ETF (MGV) and SEI Enhanced US Large Cap Value Factor ETF (SEIV). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MGV	SEIV	Difference
Sharpe ratio: Return per unit of total volatility	2.54	2.81	-0.28
Sortino ratio: Return per unit of downside risk	3.64	3.87	-0.23
Omega ratio: Gain probability vs. loss probability	1.46	1.51	-0.05
Calmar ratio: Return relative to maximum drawdown	4.03	5.12	-1.09
Martin ratio: Return relative to average drawdown	15.43	18.97	-3.55

MGV vs. SEIV - Sharpe Ratio Comparison

The current MGV Sharpe Ratio is 2.54, which is comparable to the SEIV Sharpe Ratio of 2.81. The chart below compares the historical Sharpe Ratios of MGV and SEIV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MGV vs. SEIV - Drawdown Comparison

The maximum MGV drawdown since its inception was -56.07%, which is greater than SEIV's maximum drawdown of -18.18%. Use the drawdown chart below to compare losses from any high point for MGV and SEIV.

Drawdown Indicators

	MGV	SEIV	Difference
Max Drawdown Largest peak-to-trough decline	-56.07%	-18.18%	-37.89%
Max Drawdown (1Y) Largest decline over 1 year	-6.42%	-6.95%	+0.53%
Max Drawdown (3Y) Largest decline over 3 years	-13.18%	-17.71%	+4.53%
Max Drawdown (5Y) Largest decline over 5 years	-16.54%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-35.41%	—	—
Current Drawdown Current decline from peak	-0.89%	-1.84%	+0.95%
Average Drawdown Average peak-to-trough decline	-7.75%	-3.45%	-4.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.68%	1.87%	-0.19%

Volatility

MGV vs. SEIV - Volatility Comparison

Vanguard Mega Cap Value ETF (MGV) has a higher volatility of 2.94% compared to SEI Enhanced US Large Cap Value Factor ETF (SEIV) at 2.62%. This indicates that MGV's price experiences larger fluctuations and is considered to be riskier than SEIV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGV	SEIV	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.94%	2.62%	+0.32%
Volatility (6M) Calculated over the trailing 6-month period	7.78%	9.51%	-1.73%
Volatility (1Y) Calculated over the trailing 1-year period	10.20%	12.65%	-2.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.57%	16.58%	-3.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.29%	16.58%	-0.29%

MGV vs. SEIV - Expense Ratio Comparison

MGV has a 0.05% expense ratio, which is lower than SEIV's 0.15% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

MGV vs. SEIV - Dividend Comparison

MGV's dividend yield for the trailing twelve months is around 1.87%, more than SEIV's 1.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGV Vanguard Mega Cap Value ETF	1.87%	2.04%	2.31%	2.48%	2.45%	2.17%	2.47%	2.69%	2.65%	2.34%	2.53%	2.59%
SEIV SEI Enhanced US Large Cap Value Factor ETF	1.47%	1.51%	1.66%	2.08%	1.63%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MGV and SEIV in my portfolio?

MGV and SEIV have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MGV or SEIV?

MGV has higher volatility (2.94%) compared to SEIV (2.62%). In terms of maximum drawdown, MGV dropped -56.07% vs SEIV's -18.18%.

Which ETF is better, MGV or SEIV?

On 3-year performance, SEIV leads with 24.41% vs 18.79% for MGV. On fees, MGV is cheaper at 0.05% per year. On volatility, SEIV has been the lower-risk option at 2.62%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MGV or SEIV?

Over the 3-year period, SEIV has performed better with a 24.41% return vs 18.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MGV or SEIV?

MGV is cheaper with a 0.05% expense ratio, compared with 0.15% for SEIV.

Which ETF pays a higher dividend yield, MGV or SEIV?

MGV has the higher dividend yield at 1.87%, compared with 1.47% for SEIV.

What is the main difference between MGV and SEIV?

They also come from different issuers: Vanguard and SEI. Their fees differ too: 0.05% for MGV and 0.15% for SEIV.

Which has better risk-adjusted returns?

SEIV currently has the higher Sharpe Ratio (2.81 vs 2.54), 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.