NOMIX vs. NSGRX

Last updated Aug 1, 2026

NOMIX (Northern Mid Cap Index Fund) and NSGRX (Northern Small Cap Core Fund) are both mutual funds - NOMIX is a Mid Cap Blend Equities fund managed by Northern Trust, while NSGRX is a Small Cap Blend Equities fund managed by Northern Trust. Over the past 10 years, NOMIX returned 10.75%/yr vs 10.79%/yr for NSGRX. Their 0.96 correlation means they have historically moved very closely together. NOMIX charges 0.10%/yr vs 0.62%/yr for NSGRX.

Performance

NOMIX vs. NSGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Northern Mid Cap Index Fund (NOMIX) and Northern Small Cap Core Fund (NSGRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NOMIX achieves a 14.71% return, which is significantly lower than NSGRX's 21.27% return. Both investments have delivered pretty close results over the past 10 years, with NOMIX having a 10.75% annualized return and NSGRX not far ahead at 10.79%.

NOMIX

• 1D: 0.80%
• 1M: -1.00%
• 6M: 10.26%
• YTD: 14.71%
• 1Y: 21.10%
• 3Y*: 12.84%
• 5Y*: 8.27%
• 10Y*: 10.75%
• ALL TIME*: 9.95%

NSGRX

• 1D: 0.76%
• 1M: -0.98%
• 6M: 15.53%
• YTD: 21.27%
• 1Y: 34.89%
• 3Y*: 15.37%
• 5Y*: 8.53%
• 10Y*: 10.79%
• ALL TIME*: 8.29%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
NOMIX Northern Mid Cap Index Fund	$0.00	$0.00	$0.00
NSGRX Northern Small Cap Core Fund	$0.00	$0.00	$0.00

NOMIX vs. NSGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NOMIX Northern Mid Cap Index Fund	14.71%	7.45%	13.41%	16.43%	-13.42%	24.47%	13.59%	25.94%	-11.31%	16.06%
NSGRX Northern Small Cap Core Fund	21.27%	10.57%	10.44%	16.96%	-16.14%	19.99%	14.53%	23.30%	-10.22%	13.05%

Correlation

The correlation between NOMIX and NSGRX is 0.91, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.91
Correlation (3Y) Balances recent behavior with more history.	0.94
Correlation (5Y) Shows whether the relationship held over a longer period.	0.96
Correlation (10Y) Provides a long-term view across more market conditions.	0.96
Correlation (All Time) Calculated using the full available price history since Mar 23, 2005	0.96

The correlation between NOMIX and NSGRX has been stable across timeframes, ranging from 0.91 to 0.96 - a consistent structural relationship.

Return for Risk

NOMIX vs. NSGRX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

NOMIX

NOMIX Risk / Return Rank: 48
NOMIX Sharpe Ratio Rank: 37
NOMIX Sortino Ratio Rank: 40
NOMIX Omega Ratio Rank: 38
NOMIX Calmar Ratio Rank: 65
NOMIX Martin Ratio Rank: 61

NSGRX

NSGRX Risk / Return Rank: 83
NSGRX Sharpe Ratio Rank: 78
NSGRX Sortino Ratio Rank: 78
NSGRX Omega Ratio Rank: 74
NSGRX Calmar Ratio Rank: 93
NSGRX Martin Ratio Rank: 93

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

NOMIX vs. NSGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Northern Mid Cap Index Fund (NOMIX) and Northern Small Cap Core Fund (NSGRX). 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.

	NOMIX	NSGRX	Difference
Sharpe ratio: Return per unit of total volatility	1.15	1.84	-0.69
Sortino ratio: Return per unit of downside risk	1.75	2.70	-0.95
Omega ratio: Gain probability vs. loss probability	1.22	1.32	-0.11
Calmar ratio: Return relative to maximum drawdown	2.18	3.86	-1.68
Martin ratio: Return relative to average drawdown	7.89	13.73	-5.84

NOMIX vs. NSGRX - Sharpe Ratio Comparison

The current NOMIX Sharpe Ratio is 1.15, which is lower than the NSGRX Sharpe Ratio of 1.84. The chart below compares the historical Sharpe Ratios of NOMIX and NSGRX, 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

NOMIX vs. NSGRX - Drawdown Comparison

The maximum NOMIX drawdown since its inception was -55.44%, smaller than the maximum NSGRX drawdown of -64.89%. Use the drawdown chart below to compare losses from any high point for NOMIX and NSGRX.

Drawdown Indicators

	NOMIX	NSGRX	Difference
Max Drawdown Largest peak-to-trough decline	-55.44%	-64.89%	+9.45%
Max Drawdown (1Y) Largest decline over 1 year	-8.84%	-8.66%	-0.18%
Max Drawdown (3Y) Largest decline over 3 years	-24.34%	-26.45%	+2.11%
Max Drawdown (5Y) Largest decline over 5 years	-27.65%	-32.31%	+4.66%
Max Drawdown (10Y) Largest decline over 10 years	-42.03%	-40.37%	-1.66%
Current Drawdown Current decline from peak	-2.21%	-1.38%	-0.83%
Average Drawdown Average peak-to-trough decline	-7.87%	-22.04%	+14.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.45%	2.43%	+0.02%

Volatility

NOMIX vs. NSGRX - Volatility Comparison

Northern Mid Cap Index Fund (NOMIX) has a higher volatility of 3.48% compared to Northern Small Cap Core Fund (NSGRX) at 3.26%. This indicates that NOMIX's price experiences larger fluctuations and is considered to be riskier than NSGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NOMIX	NSGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.48%	3.26%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	12.72%	12.76%	-0.04%
Volatility (1Y) Calculated over the trailing 1-year period	16.77%	18.18%	-1.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.23%	23.30%	-2.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.76%	23.34%	-1.58%

NOMIX vs. NSGRX - Expense Ratio Comparison

NOMIX has a 0.10% expense ratio, which is lower than NSGRX's 0.62% expense ratio.

Dividends

NOMIX vs. NSGRX - Dividend Comparison

NOMIX's dividend yield for the trailing twelve months is around 6.04%, less than NSGRX's 13.07% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NOMIX Northern Mid Cap Index Fund	6.04%	6.93%	9.67%	8.01%	10.43%	10.30%	4.80%	2.21%	9.23%	7.46%	6.46%	8.25%
NSGRX Northern Small Cap Core Fund	13.07%	15.85%	17.77%	6.90%	0.55%	15.75%	5.00%	6.30%	1.26%	4.35%	0.67%	3.35%

Frequently Asked Questions

Can I hold both NOMIX and NSGRX in my portfolio?

With a correlation of 0.91, NOMIX and NSGRX 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, NOMIX or NSGRX?

NOMIX has higher volatility (3.48%) compared to NSGRX (3.26%). In terms of maximum drawdown, NOMIX dropped -55.44% vs NSGRX's -64.89%.

Which has better risk-adjusted returns?

NSGRX currently has the higher Sharpe Ratio (1.84 vs 1.15), 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.