LGRRX vs. NEFSX

Last updated Jun 4, 2026

LGRRX (Loomis Sayles Growth Fund) and NEFSX (Natixis Funds Trust I U.S. Equity Opportunities Fund) are both Large Cap Growth Equities funds from Natixis. Over the past 10 years, LGRRX returned 16.15%/yr vs 15.08%/yr for NEFSX. Their correlation of 0.93 suggests significant overlap in exposure. LGRRX charges 0.92%/yr vs 1.14%/yr for NEFSX.

Performance

LGRRX vs. NEFSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Growth Fund (LGRRX) and Natixis Funds Trust I U.S. Equity Opportunities Fund (NEFSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LGRRX achieves a -0.34% return, which is significantly lower than NEFSX's 0.81% return. Over the past 10 years, LGRRX has outperformed NEFSX with an annualized return of 16.15%, while NEFSX has yielded a comparatively lower 15.08% annualized return.

LGRRX

• 1D: -1.71%
• 1M: 2.44%
• YTD: -0.34%
• 6M: 0.58%
• 1Y: 12.40%
• 3Y*: 20.26%
• 5Y*: 12.45%
• 10Y*: 16.15%

NEFSX

• 1D: -1.13%
• 1M: 2.39%
• YTD: 0.81%
• 6M: 2.20%
• 1Y: 14.35%
• 3Y*: 19.30%
• 5Y*: 10.95%
• 10Y*: 15.08%

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

LGRRX vs. NEFSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LGRRX Loomis Sayles Growth Fund	-0.34%	13.76%	34.82%	50.89%	-28.03%	18.40%	31.40%	31.41%	-2.80%	32.29%
NEFSX Natixis Funds Trust I U.S. Equity Opportunities Fund	0.81%	17.23%	25.79%	37.13%	-21.15%	23.21%	22.12%	31.08%	-6.67%	26.28%

Correlation

The correlation between LGRRX and NEFSX is 0.85, 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	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Jan 2, 1997	0.93

The correlation between LGRRX and NEFSX has been stable across timeframes, ranging from 0.85 to 0.93 - a consistent structural relationship.

Return for Risk

LGRRX vs. NEFSX — Risk / Return Rank

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

LGRRX

LGRRX Risk / Return Rank: 10
LGRRX Sharpe Ratio Rank: 12
LGRRX Sortino Ratio Rank: 12
LGRRX Omega Ratio Rank: 11
LGRRX Calmar Ratio Rank: 9
LGRRX Martin Ratio Rank: 9

NEFSX

NEFSX Risk / Return Rank: 22
NEFSX Sharpe Ratio Rank: 24
NEFSX Sortino Ratio Rank: 23
NEFSX Omega Ratio Rank: 23
NEFSX Calmar Ratio Rank: 20
NEFSX Martin Ratio Rank: 19

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.

LGRRX vs. NEFSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Growth Fund (LGRRX) and Natixis Funds Trust I U.S. Equity Opportunities Fund (NEFSX). 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.

	LGRRX	NEFSX	Difference
Sharpe ratio: Return per unit of total volatility	0.92	1.40	-0.49
Sortino ratio: Return per unit of downside risk	1.37	2.00	-0.64
Omega ratio: Gain probability vs. loss probability	1.17	1.25	-0.08
Calmar ratio: Return relative to maximum drawdown	0.86	1.63	-0.76
Martin ratio: Return relative to average drawdown	2.58	5.12	-2.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LGRRX vs. NEFSX - Sharpe Ratio Comparison

The current LGRRX Sharpe Ratio is 0.92, which is lower than the NEFSX Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of LGRRX and NEFSX, 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

	LGRRX	NEFSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.92	1.40	-0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.57	0.58	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.78	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.60	-0.23

Drawdowns

LGRRX vs. NEFSX - Drawdown Comparison

The maximum LGRRX drawdown since its inception was -64.70%, which is greater than NEFSX's maximum drawdown of -55.83%. Use the drawdown chart below to compare losses from any high point for LGRRX and NEFSX.

Drawdown Indicators

	LGRRX	NEFSX	Difference
Max Drawdown Largest peak-to-trough decline	-64.70%	-55.83%	-8.87%
Max Drawdown (1Y) Largest decline over 1 year	-17.93%	-11.20%	-6.73%
Max Drawdown (3Y) Largest decline over 3 years	-27.84%	-19.58%	-8.26%
Max Drawdown (5Y) Largest decline over 5 years	-34.85%	-30.08%	-4.77%
Max Drawdown (10Y) Largest decline over 10 years	-34.85%	-32.27%	-2.58%
Current Drawdown Current decline from peak	-3.70%	-1.13%	-2.57%
Average Drawdown Average peak-to-trough decline	-21.24%	-11.75%	-9.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.80%	3.86%	+1.94%

Volatility

LGRRX vs. NEFSX - Volatility Comparison

Loomis Sayles Growth Fund (LGRRX) has a higher volatility of 4.13% compared to Natixis Funds Trust I U.S. Equity Opportunities Fund (NEFSX) at 2.86%. This indicates that LGRRX's price experiences larger fluctuations and is considered to be riskier than NEFSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LGRRX	NEFSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.13%	2.86%	+1.27%
Volatility (6M) Calculated over the trailing 6-month period	13.30%	10.28%	+3.02%
Volatility (1Y) Calculated over the trailing 1-year period	16.86%	12.99%	+3.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.88%	19.59%	+3.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.04%	19.71%	+1.33%

LGRRX vs. NEFSX - Expense Ratio Comparison

LGRRX has a 0.92% expense ratio, which is lower than NEFSX's 1.14% expense ratio.

Dividends

LGRRX vs. NEFSX - Dividend Comparison

LGRRX's dividend yield for the trailing twelve months is around 2.51%, less than NEFSX's 9.23% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LGRRX Loomis Sayles Growth Fund	2.51%	2.50%	6.30%	6.70%	18.14%	5.13%	4.60%	2.68%	5.92%	2.33%	1.38%	0.42%
NEFSX Natixis Funds Trust I U.S. Equity Opportunities Fund	9.23%	5.92%	6.38%	8.13%	18.10%	11.12%	13.07%	10.85%	11.18%	3.55%	1.88%	5.09%

Frequently Asked Questions

Can I hold both LGRRX and NEFSX in my portfolio?

LGRRX and NEFSX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LGRRX or NEFSX?

LGRRX has higher volatility (4.13%) compared to NEFSX (2.86%). In terms of maximum drawdown, LGRRX dropped -64.70% vs NEFSX's -55.83%.

Which has better risk-adjusted returns?

NEFSX currently has the higher Sharpe Ratio (1.40 vs 0.92), 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.