RMBBX vs. NBGIX

Last updated Jun 4, 2026

RMBBX (RMB Small Cap Fund) and NBGIX (Neuberger Berman Genesis Fund Institutional Class) are both Small Cap Growth Equities funds. Their correlation of 0.94 suggests significant overlap in exposure. RMBBX charges 1.06%/yr vs 0.84%/yr for NBGIX.

Performance

RMBBX vs. NBGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RMB Small Cap Fund (RMBBX) and Neuberger Berman Genesis Fund Institutional Class (NBGIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

RMBBX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

NBGIX

• 1D: 0.56%
• 1M: 0.47%
• YTD: 6.58%
• 6M: 4.25%
• 1Y: 7.57%
• 3Y*: 6.49%
• 5Y*: 2.81%
• 10Y*: 9.17%

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

RMBBX vs. NBGIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RMBBX RMB Small Cap Fund	7.65%	-0.06%	15.10%	18.71%	-24.78%	24.32%	17.62%	27.51%	-5.47%	10.48%
NBGIX Neuberger Berman Genesis Fund Institutional Class	6.58%	-4.55%	9.20%	15.73%	-19.35%	18.25%	25.07%	29.68%	-6.76%	16.02%

Correlation

The correlation between RMBBX and NBGIX 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	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Sep 5, 2002	0.94

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

Return for Risk

RMBBX vs. NBGIX — Risk / Return Rank

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

NBGIX

NBGIX Risk / Return Rank: 7
NBGIX Sharpe Ratio Rank: 7
NBGIX Sortino Ratio Rank: 7
NBGIX Omega Ratio Rank: 7
NBGIX Calmar Ratio Rank: 8
NBGIX Martin Ratio Rank: 8

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.

RMBBX vs. NBGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RMB Small Cap Fund (RMBBX) and Neuberger Berman Genesis Fund Institutional Class (NBGIX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	RMBBX	NBGIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.57	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.14	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.46	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.54	—

Drawdowns

Drawdown Indicators

	RMBBX	NBGIX	Difference
Max Drawdown Largest peak-to-trough decline	—	-51.62%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-10.75%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.48%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-28.27%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-34.53%	—
Current Drawdown Current decline from peak	—	-9.08%	—
Average Drawdown Average peak-to-trough decline	—	-7.47%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.98%	—

Volatility

Volatility by Period

	RMBBX	NBGIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.06%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.31%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	16.04%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	19.66%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	20.23%	—

RMBBX vs. NBGIX - Expense Ratio Comparison

RMBBX has a 1.06% expense ratio, which is higher than NBGIX's 0.84% expense ratio.

Dividends

RMBBX vs. NBGIX - Dividend Comparison

RMBBX's dividend yield for the trailing twelve months is around 6.38%, less than NBGIX's 15.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NBGIX Neuberger Berman Genesis Fund Institutional Class	15.40%	16.41%	2.14%	3.13%	11.11%	10.91%	3.87%	6.00%	12.49%	14.10%	6.53%	11.28%
RMBBX RMB Small Cap Fund	6.38%	5.98%	2.15%	5.62%	2.75%	6.44%	4.38%	4.73%	45.44%	21.23%	3.70%	9.34%

Frequently Asked Questions

Can I hold both RMBBX and NBGIX in my portfolio?

RMBBX and NBGIX 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.