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MFS Growth I (MFEIX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US5529858632
CUSIP
552985863
Issuer
MFS
Inception Date
Jul 10, 1997
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Growth

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in MFS Growth I, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

MFS Growth I (MFEIX) has returned -13.62% so far this year and 6.53% over the past 12 months. Looking at the last ten years, MFEIX has achieved an annualized return of 15.44%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.


MFS Growth I

1D
-0.59%
1M
-9.06%
YTD
-13.62%
6M
-14.22%
1Y
6.53%
3Y*
21.33%
5Y*
10.89%
10Y*
15.44%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Dec 31, 1996, MFEIX's average daily return is +0.05%, while the average monthly return is +0.92%. At this rate, your investment would double in approximately 6.3 years.

Historically, 61% of months were positive and 39% were negative. The best month was Dec 1999 with a return of +21.5%, while the worst month was Aug 1998 at -20.8%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 5 months.

On a daily basis, MFEIX closed higher 54% of trading days. The best single day was Jan 3, 2001 with a return of +13.8%, while the worst single day was Mar 16, 2020 at -12.1%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-1.03%-4.02%-9.06%-13.62%
20254.11%-4.51%-8.37%1.34%8.78%6.79%3.63%-0.77%2.59%2.28%-2.13%-0.79%12.34%
20244.42%8.45%2.61%-4.56%6.35%5.50%-1.80%1.21%1.69%-0.74%6.16%12.95%49.67%
20237.81%-3.62%6.56%1.72%3.97%6.04%2.38%0.27%-5.35%-0.68%9.85%3.43%36.15%
2022-9.67%-5.41%2.59%-11.86%-1.20%-7.43%10.74%-5.88%-9.92%4.74%5.61%-6.17%-31.14%
2021-1.95%1.31%1.06%7.75%-0.97%5.50%3.62%3.81%-5.87%7.30%-0.96%1.65%23.59%

Benchmark Metrics

MFS Growth I has an annualized alpha of 1.79%, beta of 1.07, and R² of 0.81 versus S&P 500 Index. Calculated based on daily prices since January 02, 1997.

  • This fund captured 120.83% of S&P 500 Index gains and 110.79% of its losses — amplifying both gains and losses, but participating more in upside than downside.
  • With beta of 1.07 and R² of 0.81, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

Alpha
1.79%
Beta
1.07
0.81
Upside Capture
120.83%
Downside Capture
110.79%

Expense Ratio

MFEIX has an expense ratio of 0.60%, placing it in the medium range.


Return for Risk

Risk / Return Rank

MFEIX ranks 11 for risk / return — in the bottom 11% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


MFEIX Risk / Return Rank: 1111
Overall Rank
MFEIX Sharpe Ratio Rank: 1111
Sharpe Ratio Rank
MFEIX Sortino Ratio Rank: 1212
Sortino Ratio Rank
MFEIX Omega Ratio Rank: 1111
Omega Ratio Rank
MFEIX Calmar Ratio Rank: 1010
Calmar Ratio Rank
MFEIX Martin Ratio Rank: 1010
Martin Ratio Rank
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for MFS Growth I (MFEIX) and compare them to a chosen benchmark (S&P 500 Index).


MFEIXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.30

0.90

-0.59

Sortino ratio

Return per unit of downside risk

0.59

1.39

-0.80

Omega ratio

Gain probability vs. loss probability

1.08

1.21

-0.13

Calmar ratio

Return relative to maximum drawdown

0.22

1.40

-1.18

Martin ratio

Return relative to average drawdown

0.74

6.61

-5.87

Explore MFEIX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

MFS Growth I provided a 17.36% dividend yield over the last twelve months, with an annual payout of $29.48 per share.


0.00%5.00%10.00%15.00%20.00%25.00%$0.00$10.00$20.00$30.00$40.00$50.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$29.48$29.48$51.37$8.36$1.39$5.37$5.77$2.00$3.55$2.38$1.20$2.70

Dividend yield

17.36%14.99%25.47%4.86%1.05%2.76%3.57%1.57%3.78%2.50%1.61%3.65%

Monthly Dividends

The table displays the monthly dividend distributions for MFS Growth I. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.00$0.00$0.00$0.00$4.13$0.00$0.00$0.00$0.00$25.35$29.48
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.37$0.00$0.00$0.00$0.00$51.01$51.37
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.45$0.00$0.00$0.00$0.00$7.91$8.36
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.39$1.39
2021$0.00$0.00$0.00$0.00$0.00$0.72$0.00$0.00$0.00$0.00$0.00$4.65$5.37

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the MFS Growth I. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the MFS Growth I was 72.24%, occurring on Oct 9, 2002. Recovery took 2796 trading sessions.

The current MFS Growth I drawdown is 17.30%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-72.24%Mar 28, 2000636Oct 9, 20022796Nov 15, 20133432
-37.01%Jul 21, 199857Oct 8, 199858Dec 31, 1998115
-36.11%Nov 22, 2021240Nov 3, 2022315Feb 7, 2024555
-29.36%Feb 20, 202023Mar 23, 202063Jun 22, 202086
-23.24%Jan 24, 202552Apr 8, 202555Jun 27, 2025107

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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