LASYX vs. NEFSX

Last updated Jul 4, 2026

LASYX (Loomis Sayles Strategic Alpha Fund) and NEFSX (Natixis Funds Trust I U.S. Equity Opportunities Fund) are both mutual funds - LASYX is a Nontraditional Bonds fund managed by Natixis, while NEFSX is a Large Cap Growth Equities fund managed by Natixis. Over the past 10 years, LASYX returned 3.77%/yr vs 15.13%/yr for NEFSX. At a 0.36 correlation, their price movements are largely independent. LASYX charges 0.75%/yr vs 1.14%/yr for NEFSX.

Performance

LASYX vs. NEFSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Strategic Alpha Fund (LASYX) 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, LASYX achieves a -0.07% return, which is significantly lower than NEFSX's 0.25% return. Over the past 10 years, LASYX has underperformed NEFSX with an annualized return of 3.77%, while NEFSX has yielded a comparatively higher 15.13% annualized return.

LASYX

• 1D: 0.10%
• 1M: 0.14%
• 6M: -0.07%
• YTD: -0.07%
• 1Y: 2.81%
• 3Y*: 7.30%
• 5Y*: 2.79%
• 10Y*: 3.77%

NEFSX

• 1D: 0.87%
• 1M: -0.70%
• 6M: 0.25%
• YTD: 0.25%
• 1Y: 6.99%
• 3Y*: 17.64%
• 5Y*: 10.40%
• 10Y*: 15.13%

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

LASYX vs. NEFSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LASYX Loomis Sayles Strategic Alpha Fund	-0.07%	7.44%	8.29%	7.89%	-7.97%	1.33%	10.19%	3.96%	0.53%	3.38%
NEFSX Natixis Funds Trust I U.S. Equity Opportunities Fund	0.25%	17.23%	25.79%	37.13%	-21.15%	23.21%	22.12%	31.08%	-6.67%	26.28%

Correlation

The correlation between LASYX and NEFSX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.41
Correlation (All Time) Calculated using the full available price history since Dec 16, 2010	0.36

The correlation between LASYX and NEFSX shifts across timeframes, from 0.36 (3 years) to 0.49 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

LASYX vs. NEFSX — Risk / Return Rank

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

LASYX

LASYX Risk / Return Rank: 25
LASYX Sharpe Ratio Rank: 26
LASYX Sortino Ratio Rank: 18
LASYX Omega Ratio Rank: 47
LASYX Calmar Ratio Rank: 18
LASYX Martin Ratio Rank: 16

NEFSX

NEFSX Risk / Return Rank: 12
NEFSX Sharpe Ratio Rank: 12
NEFSX Sortino Ratio Rank: 12
NEFSX Omega Ratio Rank: 11
NEFSX Calmar Ratio Rank: 12
NEFSX Martin Ratio Rank: 12

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.

LASYX vs. NEFSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Strategic Alpha Fund (LASYX) 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.

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.

	LASYX	NEFSX	Difference
Sharpe ratio: Return per unit of total volatility	1.12	0.69	+0.42
Sortino ratio: Return per unit of downside risk	1.34	1.03	+0.31
Omega ratio: Gain probability vs. loss probability	1.28	1.13	+0.16
Calmar ratio: Return relative to maximum drawdown	1.15	0.83	+0.32
Martin ratio: Return relative to average drawdown	3.17	2.50	+0.67

LASYX vs. NEFSX - Sharpe Ratio Comparison

The current LASYX Sharpe Ratio is 1.12, which is higher than the NEFSX Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of LASYX 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.

Drawdowns

LASYX vs. NEFSX - Drawdown Comparison

The maximum LASYX drawdown since its inception was -11.24%, smaller than the maximum NEFSX drawdown of -55.83%. Use the drawdown chart below to compare losses from any high point for LASYX and NEFSX.

Drawdown Indicators

	LASYX	NEFSX	Difference
Max Drawdown Largest peak-to-trough decline	-11.24%	-55.83%	+44.59%
Max Drawdown (1Y) Largest decline over 1 year	-2.90%	-11.20%	+8.30%
Max Drawdown (3Y) Largest decline over 3 years	-2.90%	-19.58%	+16.68%
Max Drawdown (5Y) Largest decline over 5 years	-11.24%	-30.08%	+18.84%
Max Drawdown (10Y) Largest decline over 10 years	-11.24%	-32.27%	+21.03%
Current Drawdown Current decline from peak	-1.27%	-1.68%	+0.41%
Average Drawdown Average peak-to-trough decline	-1.85%	-11.72%	+9.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.97%	3.43%	-2.46%

Volatility

LASYX vs. NEFSX - Volatility Comparison

The current volatility for Loomis Sayles Strategic Alpha Fund (LASYX) is 0.72%, while Natixis Funds Trust I U.S. Equity Opportunities Fund (NEFSX) has a volatility of 4.66%. This indicates that LASYX experiences smaller price fluctuations and is considered to be less risky than NEFSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LASYX	NEFSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.72%	4.66%	-3.94%
Volatility (6M) Calculated over the trailing 6-month period	2.33%	10.20%	-7.87%
Volatility (1Y) Calculated over the trailing 1-year period	2.99%	13.39%	-10.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.34%	19.66%	-16.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.30%	19.64%	-16.34%

LASYX vs. NEFSX - Expense Ratio Comparison

LASYX has a 0.75% expense ratio, which is lower than NEFSX's 1.14% expense ratio.

Dividends

LASYX vs. NEFSX - Dividend Comparison

LASYX's dividend yield for the trailing twelve months is around 2.70%, less than NEFSX's 9.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LASYX Loomis Sayles Strategic Alpha Fund	2.70%	3.64%	5.61%	5.48%	4.05%	2.21%	2.28%	3.07%	3.69%	2.92%	2.34%	3.96%
NEFSX Natixis Funds Trust I U.S. Equity Opportunities Fund	9.28%	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 LASYX and NEFSX in my portfolio?

LASYX and NEFSX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LASYX or NEFSX?

NEFSX has higher volatility (4.66%) compared to LASYX (0.72%). In terms of maximum drawdown, LASYX dropped -11.24% vs NEFSX's -55.83%.

Which has better risk-adjusted returns?

LASYX currently has the higher Sharpe Ratio (1.12 vs 0.69), 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.