NULG vs. MGK

Last updated Jun 5, 2026

NULG (Nuveen ESG Large-Cap Growth ETF) and MGK (Vanguard Mega Cap Growth ETF) are both Large Cap Growth Equities funds - NULG tracks the MSCI TIAA ESG USA Large Cap Growth while MGK tracks the CRSP US Mega Cap Growth Index. Both are passively managed. Over the past 5 years, NULG returned 14.66%/yr vs 16.28%/yr for MGK. Their correlation of 0.91 suggests significant overlap in exposure. NULG charges 0.25%/yr vs 0.05%/yr for MGK.

Performance

NULG vs. MGK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen ESG Large-Cap Growth ETF (NULG) and Vanguard Mega Cap Growth ETF (MGK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NULG achieves a 16.76% return, which is significantly higher than MGK's 10.16% return.

NULG

• 1D: -0.39%
• 1M: 8.41%
• YTD: 16.76%
• 6M: 15.85%
• 1Y: 26.42%
• 3Y*: 24.67%
• 5Y*: 14.66%
• 10Y*: —

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%

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

NULG vs. MGK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NULG Nuveen ESG Large-Cap Growth ETF	16.76%	14.07%	23.75%	42.71%	-28.43%	28.06%	39.58%	39.23%	0.31%	24.57%
MGK Vanguard Mega Cap Growth ETF	10.16%	20.67%	32.94%	51.67%	-33.59%	28.58%	41.01%	37.38%	-2.91%	29.49%

Correlation

The correlation between NULG and MGK is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Dec 15, 2016	0.91

The correlation between NULG and MGK has been stable across timeframes, ranging from 0.89 to 0.95 - a consistent structural relationship.

NULG vs. MGK - Sectors Allocation Comparison

Sectors	NULG	MGK
Technology	56.5%	56.1%
Consumer Cyclical	9.8%	12.8%
Industrials	9.4%	1.1%
Financial Services	7.1%	4.5%
Communication Services	6.5%	17.3%
Healthcare	5.5%	4.5%
Consumer Defensive	2.1%	0.4%
Basic Materials	1.9%	0.7%
Real Estate	1.2%	1.3%
Energy	-	-
Utilities	-	1.2%

Return for Risk

NULG vs. MGK — Risk / Return Rank

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

NULG

NULG Risk / Return Rank: 42
NULG Sharpe Ratio Rank: 46
NULG Sortino Ratio Rank: 43
NULG Omega Ratio Rank: 44
NULG Calmar Ratio Rank: 37
NULG Martin Ratio Rank: 40

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

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.

NULG vs. MGK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen ESG Large-Cap Growth ETF (NULG) and Vanguard Mega Cap Growth ETF (MGK). 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.

	NULG	MGK	Difference
Sharpe ratio: Return per unit of total volatility	1.56	1.85	-0.29
Sortino ratio: Return per unit of downside risk	2.15	2.51	-0.36
Omega ratio: Gain probability vs. loss probability	1.27	1.32	-0.04
Calmar ratio: Return relative to maximum drawdown	1.83	1.78	+0.05
Martin ratio: Return relative to average drawdown	6.22	6.11	+0.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NULG vs. MGK - Sharpe Ratio Comparison

The current NULG Sharpe Ratio is 1.56, which is comparable to the MGK Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of NULG and MGK, 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

	NULG	MGK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.56	1.85	-0.29
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.72	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.88	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.90	0.66	+0.24

Drawdowns

NULG vs. MGK - Drawdown Comparison

The maximum NULG drawdown since its inception was -36.17%, smaller than the maximum MGK drawdown of -47.97%. Use the drawdown chart below to compare losses from any high point for NULG and MGK.

Drawdown Indicators

	NULG	MGK	Difference
Max Drawdown Largest peak-to-trough decline	-36.17%	-47.97%	+11.80%
Max Drawdown (1Y) Largest decline over 1 year	-14.50%	-16.85%	+2.35%
Max Drawdown (3Y) Largest decline over 3 years	-22.28%	-23.36%	+1.08%
Max Drawdown (5Y) Largest decline over 5 years	-36.17%	-36.01%	-0.16%
Max Drawdown (10Y) Largest decline over 10 years	—	-36.01%	—
Current Drawdown Current decline from peak	-0.99%	-1.30%	+0.31%
Average Drawdown Average peak-to-trough decline	-6.84%	-7.47%	+0.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.26%	4.89%	-0.63%

Volatility

NULG vs. MGK - Volatility Comparison

Nuveen ESG Large-Cap Growth ETF (NULG) has a higher volatility of 4.80% compared to Vanguard Mega Cap Growth ETF (MGK) at 4.00%. This indicates that NULG's price experiences larger fluctuations and is considered to be riskier than MGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NULG	MGK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.80%	4.00%	+0.80%
Volatility (6M) Calculated over the trailing 6-month period	13.55%	12.36%	+1.19%
Volatility (1Y) Calculated over the trailing 1-year period	17.01%	16.22%	+0.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.51%	22.62%	-1.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.39%	21.88%	-0.49%

NULG vs. MGK - Expense Ratio Comparison

NULG has a 0.25% expense ratio, which is higher than MGK'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

NULG vs. MGK - Dividend Comparison

NULG's dividend yield for the trailing twelve months is around 0.10%, less than MGK's 0.32% 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%
NULG Nuveen ESG Large-Cap Growth ETF	0.10%	0.11%	0.16%	0.43%	0.40%	5.08%	2.68%	1.10%	3.73%	0.61%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NULG and MGK in my portfolio?

NULG and MGK have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NULG or MGK?

NULG has higher volatility (4.80%) compared to MGK (4.00%). In terms of maximum drawdown, NULG dropped -36.17% vs MGK's -47.97%.

Which ETF is better, NULG or MGK?

On 5-year performance, MGK leads with 16.28% vs 14.66% for NULG. On fees, MGK is cheaper at 0.05% per year. On volatility, MGK has been the lower-risk option at 4.00%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, NULG or MGK?

Over the 5-year period, MGK has performed better with a 16.28% return vs 14.66%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, NULG or MGK?

MGK is cheaper with a 0.05% expense ratio, compared with 0.25% for NULG.

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

MGK has the higher dividend yield at 0.32%, compared with 0.10% for NULG.

What is the main difference between NULG and MGK?

NULG tracks MSCI TIAA ESG USA Large Cap Growth, while MGK tracks CRSP US Mega Cap Growth Index. They also come from different issuers: Nuveen and Vanguard. Their fees differ too: 0.25% for NULG and 0.05% for MGK.

Which has better risk-adjusted returns?

MGK currently has the higher Sharpe Ratio (1.85 vs 1.56), 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.