- Issuer
- MFS
- Inception Date
- Dec 1, 1993
- Category
- Mid Cap Growth Equities
- Index Tracked
- No Index (Active)
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mid-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
OTCKX Performance Chart
MFS Mid Cap Growth Fund Class R6 (OTCKX) is up 5.0% since the beginning of the year. OTCKX is currently trading at $30 per share. Investors who bought $1,000 worth of OTCKX shares 5 years ago would now be looking at an investment worth $1,377.
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Returns By Period
MFS Mid Cap Growth Fund Class R6 (OTCKX) has returned 4.99% so far this year and 4.66% over the past 12 months. Over the last ten years, OTCKX has returned 12.88% per year, falling short of the S&P 500 Index benchmark, which averaged 13.66% annually.
MFS Mid Cap Growth Fund Class R6
- 1D
- 0.57%
- 1M
- 3.79%
- YTD
- 4.99%
- 6M
- 3.62%
- 1Y
- 4.66%
- 3Y*
- 15.51%
- 5Y*
- 6.61%
- 10Y*
- 12.88%
Benchmark (S&P 500 Index)
- 1D
- -0.74%
- 1M
- 4.90%
- YTD
- 10.35%
- 6M
- 10.28%
- 1Y
- 26.52%
- 3Y*
- 20.83%
- 5Y*
- 12.30%
- 10Y*
- 13.66%
OTCKX Monthly Returns History
Based on dividend-adjusted daily data since Jan 2, 2014, OTCKX's average daily return is +0.05%, while the average monthly return is +1.03%. At this rate, an investment would double in approximately 5.6 years.
Historically, 61% of months were positive and 39% were negative. The best month was Apr 2020 with a return of +12.5%, while the worst month was Jan 2022 at -14.1%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 4 months.
On a daily basis, OTCKX closed higher 54% of trading days. The best single day was Dec 17, 2014 with a return of +10.3%, while the worst single day was Mar 16, 2020 at -12.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.63% | 0.64% | -6.36% | 8.56% | 2.28% | 0.98% | 4.99% | ||||||
| 2025 | 5.98% | -5.14% | -6.52% | 2.47% | 6.77% | 5.60% | -0.23% | 0.44% | 0.50% | -1.92% | -1.57% | -1.73% | 3.75% |
| 2024 | 1.10% | 7.62% | 1.82% | -6.12% | 2.57% | 1.06% | 1.37% | 1.25% | 2.23% | -1.94% | 10.00% | 3.66% | 26.48% |
| 2023 | 7.19% | -2.48% | 2.86% | -0.89% | -0.43% | 6.62% | 1.62% | -1.19% | -5.42% | -3.33% | 11.17% | 5.22% | 21.50% |
| 2022 | -14.13% | -2.95% | 1.32% | -10.24% | -1.49% | -6.51% | 10.94% | -5.58% | -8.44% | 5.57% | 7.09% | -5.24% | -28.29% |
| 2021 | -2.40% | 0.51% | -0.50% | 5.93% | -2.13% | 4.16% | 4.00% | 3.24% | -4.74% | 6.62% | -3.72% | 3.10% | 14.09% |
Benchmark Metrics
MFS Mid Cap Growth Fund Class R6 has an annualized alpha of -0.11%, beta of 1.01, and R2 of 0.81 versus S&P 500 Index. Calculated based on daily prices since January 03, 2014.
- With beta of 1.01 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
- -0.11%
- Beta
- 1.01
- R²
- 0.81
- Upside Capture
- 95.35%
- Downside Capture
- 96.32%
Expense Ratio
OTCKX has an expense ratio of 0.65%, placing it in the medium range.
Return for Risk
Risk / Return Rank
OTCKX ranks 5 for risk / return — in the bottom 5% 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.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for MFS Mid Cap Growth Fund Class R6 (OTCKX) and compare them to S&P 500 Index.
| OTCKX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.33 | 2.24 | -1.91 |
Sortino ratioReturn per unit of downside risk | 0.58 | 3.07 | -2.49 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.41 | -0.34 |
Calmar ratioReturn relative to maximum drawdown | 0.33 | 2.93 | -2.60 |
Martin ratioReturn relative to average drawdown | 0.86 | 13.52 | -12.66 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
MFS Mid Cap Growth Fund Class R6 provided a 14.18% dividend yield over the last twelve months, with an annual payout of $4.23 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $4.23 | $4.23 | $5.29 | $0.00 | $0.00 | $1.12 | $0.23 | $0.18 | $0.73 | $1.41 | $0.78 | $0.40 |
Dividend yield | 14.18% | 14.88% | 16.85% | 0.00% | 0.00% | 3.35% | 0.77% | 0.81% | 4.40% | 8.28% | 5.38% | 2.72% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Mid Cap Growth Fund Class R6. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.23 | $4.23 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $5.29 | $5.29 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.12 | $1.12 |
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 Mid Cap Growth Fund Class R6. 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 Mid Cap Growth Fund Class R6 was 36.64%, occurring on Oct 14, 2022. Recovery took 520 trading sessions.
The current MFS Mid Cap Growth Fund Class R6 drawdown is 2.80%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -36.64%Oct 2022 | 11mo 1d | 2y 26d | 2y 11moNov 2021 - Nov 2024 |
COVID crash2020 | -33.65%Mar 2020 | 1mo 2d | 3mo 17d | 4mo 19dFeb 2020 - Jul 2020 |
Rate-hike selloffLate 2018 | -21.94%Dec 2018 | 3mo 11d | 3mo 8d | 6mo 19dSep 2018 - Apr 2019 |
2025 selloff2025 | -20.99%Apr 2025 | 2mo 1d | 2mo 17d | 4mo 18dFeb 2025 - Jun 2025 |
2016 correction2016 | -18.63%Feb 2016 | 5mo 24d | 5mo 19d | 11mo 13dAug 2015 - Jul 2016 |
Drawdown Indicators
| OTCKX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.64% | -56.78% | +20.14% |
Max Drawdown (1Y)Largest decline over 1 year | -16.31% | -9.10% | -7.21% |
Max Drawdown (3Y)Largest decline over 3 years | -20.99% | -18.90% | -2.09% |
Max Drawdown (5Y)Largest decline over 5 years | -36.64% | -25.43% | -11.21% |
Max Drawdown (10Y)Largest decline over 10 years | -36.64% | -33.92% | -2.72% |
Current DrawdownCurrent decline from peak | -2.80% | -0.74% | -2.06% |
Average DrawdownAverage peak-to-trough decline | -7.36% | -10.72% | +3.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.29% | 1.97% | +4.32% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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