TRLGX vs. MEGBX

Last updated Jun 25, 2026

TRLGX (T. Rowe Price Large-Cap Growth Fund) and MEGBX (MFS Growth Fund) are both Large Cap Growth Equities funds. Over the past 10 years, TRLGX returned 18.33%/yr vs 17.37%/yr for MEGBX. With a 0.96 correlation, they move nearly in lockstep. TRLGX charges 0.55%/yr vs 1.59%/yr for MEGBX.

Performance

TRLGX vs. MEGBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Large-Cap Growth Fund (TRLGX) and MFS Growth Fund (MEGBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRLGX achieves a -1.57% return, which is significantly lower than MEGBX's 1.01% return. Over the past 10 years, TRLGX has outperformed MEGBX with an annualized return of 18.33%, while MEGBX has yielded a comparatively lower 17.37% annualized return.

TRLGX

• 1D: -1.31%
• 1M: -3.90%
• YTD: -1.57%
• 6M: -2.65%
• 1Y: 10.72%
• 3Y*: 22.05%
• 5Y*: 9.86%
• 10Y*: 18.33%

MEGBX

• 1D: -2.13%
• 1M: -2.35%
• YTD: 1.01%
• 6M: -0.23%
• 1Y: 8.11%
• 3Y*: 26.37%
• 5Y*: 12.78%
• 10Y*: 17.37%

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

TRLGX vs. MEGBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRLGX T. Rowe Price Large-Cap Growth Fund	-1.57%	17.51%	37.57%	46.22%	-35.26%	23.24%	39.57%	28.51%	4.35%	37.77%
MEGBX MFS Growth Fund	1.01%	11.25%	61.25%	34.81%	-31.83%	22.34%	30.36%	36.33%	1.21%	29.54%

Correlation

The correlation between TRLGX and MEGBX is 0.92, 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	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Oct 31, 2001	0.96

The correlation between TRLGX and MEGBX has been stable across timeframes, ranging from 0.92 to 0.96 - a consistent structural relationship.

Return for Risk

TRLGX vs. MEGBX — Risk / Return Rank

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

TRLGX

TRLGX Risk / Return Rank: 9
TRLGX Sharpe Ratio Rank: 10
TRLGX Sortino Ratio Rank: 10
TRLGX Omega Ratio Rank: 10
TRLGX Calmar Ratio Rank: 8
TRLGX Martin Ratio Rank: 8

MEGBX

MEGBX Risk / Return Rank: 8
MEGBX Sharpe Ratio Rank: 8
MEGBX Sortino Ratio Rank: 8
MEGBX Omega Ratio Rank: 8
MEGBX Calmar Ratio Rank: 7
MEGBX 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.

TRLGX vs. MEGBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Large-Cap Growth Fund (TRLGX) and MFS Growth Fund (MEGBX). 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.

	TRLGX	MEGBX	Difference
Sharpe ratio: Return per unit of total volatility	0.77	0.58	+0.18
Sortino ratio: Return per unit of downside risk	1.14	0.90	+0.24
Omega ratio: Gain probability vs. loss probability	1.14	1.11	+0.03
Calmar ratio: Return relative to maximum drawdown	0.70	0.56	+0.14
Martin ratio: Return relative to average drawdown	2.15	1.78	+0.37

TRLGX vs. MEGBX - Sharpe Ratio Comparison

The current TRLGX Sharpe Ratio is 0.77, which is higher than the MEGBX Sharpe Ratio of 0.58. The chart below compares the historical Sharpe Ratios of TRLGX and MEGBX, 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

TRLGX vs. MEGBX - Drawdown Comparison

The maximum TRLGX drawdown since its inception was -55.56%, smaller than the maximum MEGBX drawdown of -72.95%. Use the drawdown chart below to compare losses from any high point for TRLGX and MEGBX.

Drawdown Indicators

	TRLGX	MEGBX	Difference
Max Drawdown Largest peak-to-trough decline	-55.56%	-72.95%	+17.39%
Max Drawdown (1Y) Largest decline over 1 year	-18.18%	-17.64%	-0.54%
Max Drawdown (3Y) Largest decline over 3 years	-21.17%	-23.39%	+2.22%
Max Drawdown (5Y) Largest decline over 5 years	-40.44%	-36.73%	-3.71%
Max Drawdown (10Y) Largest decline over 10 years	-40.44%	-36.73%	-3.71%
Current Drawdown Current decline from peak	-7.20%	-4.89%	-2.31%
Average Drawdown Average peak-to-trough decline	-8.67%	-21.73%	+13.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.87%	5.55%	+0.32%

Volatility

TRLGX vs. MEGBX - Volatility Comparison

T. Rowe Price Large-Cap Growth Fund (TRLGX) and MFS Growth Fund (MEGBX) have volatilities of 6.54% and 6.87%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRLGX	MEGBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.54%	6.87%	-0.33%
Volatility (6M) Calculated over the trailing 6-month period	13.45%	13.49%	-0.04%
Volatility (1Y) Calculated over the trailing 1-year period	16.54%	16.94%	-0.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.49%	23.64%	-1.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.78%	22.10%	-0.32%

TRLGX vs. MEGBX - Expense Ratio Comparison

TRLGX has a 0.55% expense ratio, which is lower than MEGBX's 1.59% expense ratio.

Dividends

TRLGX vs. MEGBX - Dividend Comparison

TRLGX's dividend yield for the trailing twelve months is around 13.91%, less than MEGBX's 26.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MEGBX MFS Growth Fund	26.33%	26.60%	40.46%	7.21%	1.51%	3.91%	4.94%	2.13%	4.95%	3.26%	2.03%	4.61%
TRLGX T. Rowe Price Large-Cap Growth Fund	13.91%	13.69%	9.80%	2.04%	3.88%	2.56%	0.42%	4.09%	7.93%	9.27%	1.64%	4.71%

Frequently Asked Questions

Can I hold both TRLGX and MEGBX in my portfolio?

With a correlation of 0.92, TRLGX and MEGBX 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, TRLGX or MEGBX?

MEGBX has higher volatility (6.87%) compared to TRLGX (6.54%). In terms of maximum drawdown, TRLGX dropped -55.56% vs MEGBX's -72.95%.

Which has better risk-adjusted returns?

TRLGX currently has the higher Sharpe Ratio (0.77 vs 0.58), 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.