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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

MFEIX Performance Chart

MFS Growth I (MFEIX) is up 5.3% since the beginning of the year. MFEIX is currently trading at $207 per share. Investors who bought $1,000 worth of MFEIX shares 5 years ago would now be looking at an investment worth $1,869.


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S&P 500 Index

Returns By Period

MFS Growth I (MFEIX) has returned 5.25% so far this year and 16.22% over the past 12 months. Looking at the last ten years, MFEIX has achieved an annualized return of 17.72%, outperforming the S&P 500 Index benchmark, which averaged 13.88% per year.


MFS Growth I

1D
1.66%
1M
1.35%
YTD
5.25%
6M
5.05%
1Y
16.22%
3Y*
25.27%
5Y*
13.33%
10Y*
17.72%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

MFEIX Monthly Returns History

Based on dividend-adjusted daily data since Dec 31, 1996, MFEIX's average daily return is +0.05%, while the average monthly return is +0.97%. At this rate, an investment would double in approximately 6.0 years.

Historically, 60% of months were positive and 40% 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%-5.59%12.99%4.07%-0.19%5.25%
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 1.90%, beta of 1.07, and R2 of 0.81 versus S&P 500 Index. Calculated based on daily prices since December 31, 1996.

  • This fund captured 120.67% of S&P 500 Index gains and 110.34% 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
1.90%
Beta
1.07
0.81
Upside Capture
120.67%
Downside Capture
110.34%

Expense Ratio

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


Return for Risk

Risk / Return Rank

MFEIX ranks 12 for risk / return — in the bottom 12% 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: 1212
Overall Rank
MFEIX Sharpe Ratio Rank: 1313
Sharpe Ratio Rank
MFEIX Sortino Ratio Rank: 1212
Sortino Ratio Rank
MFEIX Omega Ratio Rank: 1212
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 S&P 500 Index.

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.


MFEIXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-1.10

Sortino ratioReturn per unit of downside risk

-1.40

Omega ratioGain probability vs. loss probability

1.17

1.37

-0.20

Calmar ratioReturn relative to maximum drawdown

0.90

2.78

-1.88

Martin ratioReturn relative to average drawdown

2.90

12.44

-9.54

Dividends

Dividend History

MFS Growth I provided a 14.25% 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

14.25%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$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 1.32%.


Related event

Drawdown

Fall

Recovery

Underwater

Dot-com crash2000–2002
-72.24%Oct 2002
2y 6mo11y 1mo
13y 7moMar 2000 - Nov 2013
1998 bear market1998
-37.01%Oct 1998
2mo 19d2mo 24d
5mo 13dJul 1998 - Dec 1998
Bear market2022
-36.11%Nov 2022
11mo 16d1y 3mo
2y 2moNov 2021 - Feb 2024
COVID crash2020
-29.36%Mar 2020
1mo 2d3mo 1d
4mo 3dFeb 2020 - Jun 2020
2025 selloff2025
-23.24%Apr 2025
2mo 14d2mo 20d
5mo 4dJan 2025 - Jun 2025

Drawdown Indicators


MFEIXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-72.24%

-56.78%

-15.46%

Max Drawdown (1Y)

Largest decline over 1 year

-17.30%

-9.10%

-8.20%

Max Drawdown (3Y)

Largest decline over 3 years

-23.24%

-18.90%

-4.34%

Max Drawdown (5Y)

Largest decline over 5 years

-36.11%

-25.43%

-10.68%

Max Drawdown (10Y)

Largest decline over 10 years

-36.11%

-33.92%

-2.19%

Current Drawdown

Current decline from peak

-1.32%

-1.80%

+0.48%

Average Drawdown

Average peak-to-trough decline

-23.69%

-10.71%

-12.98%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.37%

2.03%

+3.34%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with MFEIX

Add MFS Growth I to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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