SEIV vs. MGV

Last updated Jul 14, 2026

SEIV (SEI Enhanced US Large Cap Value Factor ETF) and MGV (Vanguard Mega Cap Value ETF) are both Large Cap Value Equities funds. SEIV is actively managed, while MGV is passively managed. Over the past 3 years, SEIV returned 24.47%/yr vs 18.92%/yr for MGV. Their correlation of 0.85 suggests significant overlap in exposure. SEIV charges 0.15%/yr vs 0.05%/yr for MGV.

Performance

SEIV vs. MGV - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with SEIV having a 17.27% return and MGV slightly lower at 16.90%.

SEIV

• 1D: -0.39%
• 1M: -0.07%
• 6M: 15.93%
• YTD: 17.27%
• 1Y: 36.04%
• 3Y*: 24.47%
• 5Y*: —
• 10Y*: —

MGV

• 1D: -0.13%
• 1M: 1.22%
• 6M: 13.32%
• YTD: 16.90%
• 1Y: 26.35%
• 3Y*: 18.92%
• 5Y*: 12.93%
• 10Y*: 12.76%

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

SEIV vs. MGV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SEIV SEI Enhanced US Large Cap Value Factor ETF	17.27%	27.43%	19.73%	21.90%	-5.02%
MGV Vanguard Mega Cap Value ETF	16.90%	15.45%	16.94%	9.16%	1.39%

Correlation

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

SEIV vs. MGV - Sectors Allocation Comparison

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

Return for Risk

SEIV vs. MGV — Risk / Return Rank

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

SEIV

SEIV Risk / Return Rank: 94
SEIV Sharpe Ratio Rank: 95
SEIV Sortino Ratio Rank: 94
SEIV Omega Ratio Rank: 93
SEIV Calmar Ratio Rank: 93
SEIV Martin Ratio Rank: 93

MGV

MGV Risk / Return Rank: 91
MGV Sharpe Ratio Rank: 93
MGV Sortino Ratio Rank: 93
MGV Omega Ratio Rank: 91
MGV Calmar Ratio Rank: 89
MGV Martin Ratio Rank: 89

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.

SEIV vs. MGV - Risk-Adjusted Trends Comparison

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

	SEIV	MGV	Difference
Sharpe ratio: Return per unit of total volatility	2.86	2.60	+0.27
Sortino ratio: Return per unit of downside risk	3.93	3.72	+0.20
Omega ratio: Gain probability vs. loss probability	1.52	1.47	+0.05
Calmar ratio: Return relative to maximum drawdown	5.21	4.13	+1.09
Martin ratio: Return relative to average drawdown	19.31	15.77	+3.55

SEIV vs. MGV - Sharpe Ratio Comparison

The current SEIV Sharpe Ratio is 2.86, which is comparable to the MGV Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of SEIV and MGV, 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

SEIV vs. MGV - Drawdown Comparison

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

Drawdown Indicators

	SEIV	MGV	Difference
Max Drawdown Largest peak-to-trough decline	-18.18%	-56.07%	+37.89%
Max Drawdown (1Y) Largest decline over 1 year	-6.95%	-6.42%	-0.53%
Max Drawdown (3Y) Largest decline over 3 years	-17.71%	-13.18%	-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	-1.69%	-0.55%	-1.14%
Average Drawdown Average peak-to-trough decline	-3.45%	-7.75%	+4.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.87%	1.68%	+0.19%

Volatility

SEIV vs. MGV - Volatility Comparison

The current volatility for SEI Enhanced US Large Cap Value Factor ETF (SEIV) is 3.16%, while Vanguard Mega Cap Value ETF (MGV) has a volatility of 3.36%. This indicates that SEIV experiences smaller price fluctuations and is considered to be less risky than MGV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEIV	MGV	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.16%	3.36%	-0.20%
Volatility (6M) Calculated over the trailing 6-month period	9.51%	7.78%	+1.73%
Volatility (1Y) Calculated over the trailing 1-year period	12.67%	10.21%	+2.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.59%	13.57%	+3.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.59%	16.29%	+0.30%

SEIV vs. MGV - Expense Ratio Comparison

SEIV has a 0.15% expense ratio, which is higher than MGV's 0.05% 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

SEIV vs. MGV - Dividend Comparison

SEIV's dividend yield for the trailing twelve months is around 1.47%, less than MGV's 1.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGV Vanguard Mega Cap Value ETF	1.86%	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 SEIV and MGV in my portfolio?

SEIV and MGV 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, SEIV or MGV?

MGV has higher volatility (3.36%) compared to SEIV (3.16%). In terms of maximum drawdown, SEIV dropped -18.18% vs MGV's -56.07%.

Which ETF is better, SEIV or MGV?

On 3-year performance, SEIV leads with 24.47% vs 18.92% for MGV. On fees, MGV is cheaper at 0.05% per year. On volatility, SEIV has been the lower-risk option at 3.16%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SEIV or MGV?

Over the 3-year period, SEIV has performed better with a 24.47% return vs 18.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SEIV or MGV?

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

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

MGV has the higher dividend yield at 1.86%, compared with 1.47% for SEIV.

What is the main difference between SEIV and MGV?

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

Which has better risk-adjusted returns?

SEIV currently has the higher Sharpe Ratio (2.86 vs 2.60), 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.