NBSRX vs. VIIIX

Last updated Jun 25, 2026

NBSRX (Neuberger Berman Sustainable Equity Fund) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both mutual funds - NBSRX is a Large Cap Blend Equities fund managed by Neuberger Berman, while VIIIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, NBSRX returned 15.04%/yr vs 15.70%/yr for VIIIX. Their correlation of 0.93 suggests significant overlap in exposure. NBSRX charges 0.85%/yr vs 0.02%/yr for VIIIX.

Performance

NBSRX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Neuberger Berman Sustainable Equity Fund (NBSRX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NBSRX achieves a 13.11% return, which is significantly higher than VIIIX's 8.21% return. Both investments have delivered pretty close results over the past 10 years, with NBSRX having a 15.04% annualized return and VIIIX not far ahead at 15.70%.

NBSRX

• 1D: -1.22%
• 1M: 2.63%
• YTD: 13.11%
• 6M: 12.21%
• 1Y: 28.42%
• 3Y*: 24.30%
• 5Y*: 13.92%
• 10Y*: 15.04%

VIIIX

• 1D: -1.44%
• 1M: -1.34%
• YTD: 8.21%
• 6M: 6.88%
• 1Y: 22.35%
• 3Y*: 21.22%
• 5Y*: 13.28%
• 10Y*: 15.70%

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

NBSRX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NBSRX Neuberger Berman Sustainable Equity Fund	13.11%	17.37%	28.23%	26.76%	-18.81%	23.30%	19.35%	25.95%	-6.00%	18.84%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	8.21%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	21.82%

Correlation

The correlation between NBSRX and VIIIX is 0.87, 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	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Jul 7, 1997	0.93

The correlation between NBSRX and VIIIX has been stable across timeframes, ranging from 0.87 to 0.94 - a consistent structural relationship.

Return for Risk

NBSRX vs. VIIIX — Risk / Return Rank

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

NBSRX

NBSRX Risk / Return Rank: 69
NBSRX Sharpe Ratio Rank: 64
NBSRX Sortino Ratio Rank: 69
NBSRX Omega Ratio Rank: 64
NBSRX Calmar Ratio Rank: 71
NBSRX Martin Ratio Rank: 75

VIIIX

VIIIX Risk / Return Rank: 52
VIIIX Sharpe Ratio Rank: 49
VIIIX Sortino Ratio Rank: 44
VIIIX Omega Ratio Rank: 47
VIIIX Calmar Ratio Rank: 53
VIIIX Martin Ratio Rank: 66

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.

NBSRX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Neuberger Berman Sustainable Equity Fund (NBSRX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	NBSRX	VIIIX	Difference
Sharpe ratio: Return per unit of total volatility	2.10	1.90	+0.20
Sortino ratio: Return per unit of downside risk	3.10	2.59	+0.51
Omega ratio: Gain probability vs. loss probability	1.39	1.34	+0.05
Calmar ratio: Return relative to maximum drawdown	3.02	2.68	+0.34
Martin ratio: Return relative to average drawdown	12.78	12.03	+0.75

NBSRX vs. VIIIX - Sharpe Ratio Comparison

The current NBSRX Sharpe Ratio is 2.10, which is comparable to the VIIIX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of NBSRX and VIIIX, 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

NBSRX vs. VIIIX - Drawdown Comparison

The maximum NBSRX drawdown since its inception was -53.74%, roughly equal to the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for NBSRX and VIIIX.

Drawdown Indicators

	NBSRX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-53.74%	-55.18%	+1.44%
Max Drawdown (1Y) Largest decline over 1 year	-10.03%	-8.90%	-1.13%
Max Drawdown (3Y) Largest decline over 3 years	-16.28%	-18.75%	+2.47%
Max Drawdown (5Y) Largest decline over 5 years	-25.39%	-24.50%	-0.89%
Max Drawdown (10Y) Largest decline over 10 years	-34.07%	-33.79%	-0.28%
Current Drawdown Current decline from peak	-4.18%	-3.13%	-1.05%
Average Drawdown Average peak-to-trough decline	-7.05%	-10.00%	+2.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.36%	1.98%	+0.38%

Volatility

NBSRX vs. VIIIX - Volatility Comparison

Neuberger Berman Sustainable Equity Fund (NBSRX) has a higher volatility of 6.56% compared to Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) at 4.90%. This indicates that NBSRX's price experiences larger fluctuations and is considered to be riskier than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NBSRX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.56%	4.90%	+1.66%
Volatility (6M) Calculated over the trailing 6-month period	11.01%	9.93%	+1.08%
Volatility (1Y) Calculated over the trailing 1-year period	14.43%	12.57%	+1.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.36%	17.00%	-0.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.53%	18.08%	-0.55%

NBSRX vs. VIIIX - Expense Ratio Comparison

NBSRX has a 0.85% expense ratio, which is higher than VIIIX's 0.02% expense ratio.

Dividends

NBSRX vs. VIIIX - Dividend Comparison

NBSRX's dividend yield for the trailing twelve months is around 2.08%, less than VIIIX's 2.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NBSRX Neuberger Berman Sustainable Equity Fund	2.08%	2.35%	5.88%	9.72%	10.06%	10.35%	6.16%	9.08%	10.03%	6.14%	4.53%	6.40%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.49%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%

Frequently Asked Questions

Can I hold both NBSRX and VIIIX in my portfolio?

NBSRX and VIIIX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NBSRX or VIIIX?

NBSRX has higher volatility (6.56%) compared to VIIIX (4.90%). In terms of maximum drawdown, NBSRX dropped -53.74% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

NBSRX currently has the higher Sharpe Ratio (2.10 vs 1.90), 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.