NGUAX vs. VIGAX

Last updated Jun 5, 2026

NGUAX (Neuberger Berman Guardian Fund) and VIGAX (Vanguard Growth Index Fund Admiral Shares) are both Large Cap Growth Equities funds. Over the past 10 years, NGUAX returned 15.98%/yr vs 18.24%/yr for VIGAX. Their correlation of 0.94 suggests significant overlap in exposure. NGUAX charges 0.82%/yr vs 0.05%/yr for VIGAX.

Performance

NGUAX vs. VIGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Neuberger Berman Guardian Fund (NGUAX) and Vanguard Growth Index Fund Admiral Shares (VIGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NGUAX achieves a 6.03% return, which is significantly lower than VIGAX's 9.46% return. Over the past 10 years, NGUAX has underperformed VIGAX with an annualized return of 15.98%, while VIGAX has yielded a comparatively higher 18.24% annualized return.

NGUAX

• 1D: -0.91%
• 1M: 3.18%
• YTD: 6.03%
• 6M: 5.21%
• 1Y: 17.45%
• 3Y*: 19.68%
• 5Y*: 12.30%
• 10Y*: 15.98%

VIGAX

• 1D: -1.23%
• 1M: 5.47%
• YTD: 9.46%
• 6M: 8.59%
• 1Y: 27.34%
• 3Y*: 25.93%
• 5Y*: 15.09%
• 10Y*: 18.24%

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

NGUAX vs. VIGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NGUAX Neuberger Berman Guardian Fund	6.03%	14.38%	23.80%	35.98%	-24.47%	27.43%	34.56%	36.69%	-7.16%	25.28%
VIGAX Vanguard Growth Index Fund Admiral Shares	9.46%	19.43%	32.67%	46.76%	-33.14%	27.26%	40.18%	37.23%	-3.35%	27.80%

Correlation

The correlation between NGUAX and VIGAX is 0.97 - 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	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Nov 14, 2000	0.94

The correlation between NGUAX and VIGAX has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.

Return for Risk

NGUAX vs. VIGAX — Risk / Return Rank

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

NGUAX

NGUAX Risk / Return Rank: 19
NGUAX Sharpe Ratio Rank: 22
NGUAX Sortino Ratio Rank: 21
NGUAX Omega Ratio Rank: 22
NGUAX Calmar Ratio Rank: 14
NGUAX Martin Ratio Rank: 16

VIGAX

VIGAX Risk / Return Rank: 30
VIGAX Sharpe Ratio Rank: 37
VIGAX Sortino Ratio Rank: 33
VIGAX Omega Ratio Rank: 33
VIGAX Calmar Ratio Rank: 21
VIGAX Martin Ratio Rank: 24

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.

NGUAX vs. VIGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Neuberger Berman Guardian Fund (NGUAX) and Vanguard Growth Index Fund Admiral Shares (VIGAX). 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.

	NGUAX	VIGAX	Difference
Sharpe ratio: Return per unit of total volatility	1.36	1.76	-0.40
Sortino ratio: Return per unit of downside risk	1.93	2.40	-0.47
Omega ratio: Gain probability vs. loss probability	1.24	1.31	-0.06
Calmar ratio: Return relative to maximum drawdown	1.29	1.69	-0.40
Martin ratio: Return relative to average drawdown	4.44	5.96	-1.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NGUAX vs. VIGAX - Sharpe Ratio Comparison

The current NGUAX Sharpe Ratio is 1.36, which is comparable to the VIGAX Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of NGUAX and VIGAX, 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

	NGUAX	VIGAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.36	1.76	-0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.68	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.85	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.48	-0.43

Drawdowns

NGUAX vs. VIGAX - Drawdown Comparison

The maximum NGUAX drawdown since its inception was -78.07%, which is greater than VIGAX's maximum drawdown of -50.66%. Use the drawdown chart below to compare losses from any high point for NGUAX and VIGAX.

Drawdown Indicators

	NGUAX	VIGAX	Difference
Max Drawdown Largest peak-to-trough decline	-78.07%	-50.66%	-27.41%
Max Drawdown (1Y) Largest decline over 1 year	-14.16%	-16.51%	+2.35%
Max Drawdown (3Y) Largest decline over 3 years	-20.89%	-23.04%	+2.15%
Max Drawdown (5Y) Largest decline over 5 years	-28.43%	-35.63%	+7.20%
Max Drawdown (10Y) Largest decline over 10 years	-31.99%	-35.63%	+3.64%
Current Drawdown Current decline from peak	-1.35%	-1.51%	+0.16%
Average Drawdown Average peak-to-trough decline	-31.87%	-11.96%	-19.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.10%	4.69%	-0.59%

Volatility

NGUAX vs. VIGAX - Volatility Comparison

The current volatility for Neuberger Berman Guardian Fund (NGUAX) is 3.16%, while Vanguard Growth Index Fund Admiral Shares (VIGAX) has a volatility of 3.92%. This indicates that NGUAX experiences smaller price fluctuations and is considered to be less risky than VIGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NGUAX	VIGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.16%	3.92%	-0.76%
Volatility (6M) Calculated over the trailing 6-month period	10.21%	12.17%	-1.96%
Volatility (1Y) Calculated over the trailing 1-year period	13.43%	15.92%	-2.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.26%	22.35%	-4.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.26%	21.59%	-3.33%

NGUAX vs. VIGAX - Expense Ratio Comparison

NGUAX has a 0.82% expense ratio, which is higher than VIGAX's 0.05% expense ratio.

Dividends

NGUAX vs. VIGAX - Dividend Comparison

NGUAX's dividend yield for the trailing twelve months is around 11.72%, more than VIGAX's 0.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NGUAX Neuberger Berman Guardian Fund	11.72%	12.43%	6.01%	4.30%	6.62%	10.92%	7.60%	6.21%	11.21%	6.87%	13.11%	12.82%
VIGAX Vanguard Growth Index Fund Admiral Shares	0.36%	0.40%	0.46%	0.57%	0.69%	0.47%	0.66%	0.94%	1.31%	1.14%	1.39%	1.31%

Frequently Asked Questions

Can I hold both NGUAX and VIGAX in my portfolio?

With a correlation of 0.97, NGUAX and VIGAX 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, NGUAX or VIGAX?

VIGAX has higher volatility (3.92%) compared to NGUAX (3.16%). In terms of maximum drawdown, NGUAX dropped -78.07% vs VIGAX's -50.66%.

Which has better risk-adjusted returns?

VIGAX currently has the higher Sharpe Ratio (1.76 vs 1.36), 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.