LSGRX vs. FUMIX

Last updated Aug 1, 2026

LSGRX (Loomis Sayles Growth Fund) and FUMIX (Fidelity SAI U.S. Momentum Index Fund) are both Large Cap Growth Equities funds. Over the past 5 years, LSGRX returned 10.02%/yr vs 14.32%/yr for FUMIX. Their 0.78 correlation means they have sometimes moved together and sometimes differently. LSGRX charges 0.64%/yr vs 0.11%/yr for FUMIX.

Performance

LSGRX vs. FUMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Growth Fund (LSGRX) and Fidelity SAI U.S. Momentum Index Fund (FUMIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LSGRX achieves a -6.38% return, which is significantly lower than FUMIX's 20.70% return.

LSGRX

• 1D: 0.97%
• 1M: -2.45%
• 6M: -5.84%
• YTD: -6.38%
• 1Y: -1.65%
• 3Y*: 14.79%
• 5Y*: 10.02%
• 10Y*: 15.08%
• ALL TIME*: 9.13%

FUMIX

• 1D: 4.41%
• 1M: -3.93%
• 6M: 18.40%
• YTD: 20.70%
• 1Y: 26.41%
• 3Y*: 27.49%
• 5Y*: 14.32%
• 10Y*: —
• ALL TIME*: 16.80%

*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)
FUMIX Fidelity SAI U.S. Momentum Index Fund	$0.00	$0.00	$0.00
LSGRX Loomis Sayles Growth Fund	$0.00	$0.00	$0.00

LSGRX vs. FUMIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LSGRX Loomis Sayles Growth Fund	-6.38%	14.01%	35.21%	51.30%	-27.86%	18.68%	31.76%	31.73%	-2.56%	27.94%
FUMIX Fidelity SAI U.S. Momentum Index Fund	20.70%	17.01%	33.39%	14.67%	-15.79%	22.56%	29.92%	24.16%	-1.41%	22.71%

Correlation

The correlation between LSGRX and FUMIX is 0.50, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.50
Correlation (3Y) Balances recent behavior with more history.	0.65
Correlation (5Y) Shows whether the relationship held over a longer period.	0.72
Correlation (All Time) Calculated using the full available price history since Feb 9, 2017	0.78

Over the past year, the correlation between LSGRX and FUMIX has dropped to 0.50 - well below their long-term average of 0.78, suggesting their price drivers have been diverging.

Return for Risk

LSGRX vs. FUMIX — Risk / Return Rank

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

LSGRX

LSGRX Risk / Return Rank: 4
LSGRX Sharpe Ratio Rank: 4
LSGRX Sortino Ratio Rank: 4
LSGRX Omega Ratio Rank: 4
LSGRX Calmar Ratio Rank: 4
LSGRX Martin Ratio Rank: 4

FUMIX

FUMIX Risk / Return Rank: 49
FUMIX Sharpe Ratio Rank: 41
FUMIX Sortino Ratio Rank: 41
FUMIX Omega Ratio Rank: 41
FUMIX Calmar Ratio Rank: 56
FUMIX Martin Ratio Rank: 63

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.

LSGRX vs. FUMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Growth Fund (LSGRX) and Fidelity SAI U.S. Momentum Index Fund (FUMIX). 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.

	LSGRX	FUMIX	Difference
Sharpe ratio: Return per unit of total volatility	-0.12	1.18	-1.29
Sortino ratio: Return per unit of downside risk	-0.04	1.71	-1.75
Omega ratio: Gain probability vs. loss probability	1.00	1.22	-0.22
Calmar ratio: Return relative to maximum drawdown	-0.12	1.92	-2.04
Martin ratio: Return relative to average drawdown	-0.32	7.85	-8.16

LSGRX vs. FUMIX - Sharpe Ratio Comparison

The current LSGRX Sharpe Ratio is -0.12, which is lower than the FUMIX Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of LSGRX and FUMIX, 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

LSGRX vs. FUMIX - Drawdown Comparison

The maximum LSGRX drawdown since its inception was -63.63%, which is greater than FUMIX's maximum drawdown of -33.36%. Use the drawdown chart below to compare losses from any high point for LSGRX and FUMIX.

Drawdown Indicators

	LSGRX	FUMIX	Difference
Max Drawdown Largest peak-to-trough decline	-63.63%	-33.36%	-30.27%
Max Drawdown (1Y) Largest decline over 1 year	-17.83%	-12.87%	-4.96%
Max Drawdown (3Y) Largest decline over 3 years	-27.33%	-19.90%	-7.43%
Max Drawdown (5Y) Largest decline over 5 years	-34.69%	-27.66%	-7.03%
Max Drawdown (10Y) Largest decline over 10 years	-34.69%	—	—
Current Drawdown Current decline from peak	-9.51%	-9.03%	-0.48%
Average Drawdown Average peak-to-trough decline	-17.91%	-6.28%	-11.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.33%	3.14%	+3.19%

Volatility

LSGRX vs. FUMIX - Volatility Comparison

The current volatility for Loomis Sayles Growth Fund (LSGRX) is 5.34%, while Fidelity SAI U.S. Momentum Index Fund (FUMIX) has a volatility of 8.78%. This indicates that LSGRX experiences smaller price fluctuations and is considered to be less risky than FUMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LSGRX	FUMIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.34%	8.78%	-3.44%
Volatility (6M) Calculated over the trailing 6-month period	13.82%	18.87%	-5.05%
Volatility (1Y) Calculated over the trailing 1-year period	18.11%	21.08%	-2.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.90%	21.82%	+1.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.98%	21.99%	-1.01%

LSGRX vs. FUMIX - Expense Ratio Comparison

LSGRX has a 0.64% expense ratio, which is higher than FUMIX's 0.11% expense ratio.

Dividends

LSGRX vs. FUMIX - Dividend Comparison

LSGRX's dividend yield for the trailing twelve months is around 2.37%, more than FUMIX's 2.30% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FUMIX Fidelity SAI U.S. Momentum Index Fund	2.30%	2.77%	5.89%	18.09%	2.10%	20.67%	8.68%	2.09%	3.84%	0.88%	0.00%	0.00%
LSGRX Loomis Sayles Growth Fund	2.37%	2.22%	5.62%	6.02%	16.47%	4.73%	4.41%	2.70%	5.82%	2.41%	1.48%	0.54%

Frequently Asked Questions

Can I hold both LSGRX and FUMIX in my portfolio?

LSGRX and FUMIX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LSGRX or FUMIX?

FUMIX has higher volatility (8.78%) compared to LSGRX (5.34%). In terms of maximum drawdown, LSGRX dropped -63.63% vs FUMIX's -33.36%.

Which has better risk-adjusted returns?

FUMIX currently has the higher Sharpe Ratio (1.18 vs -0.12), 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.