OTCBX
MFS Mid Cap Growth Fund Class B
Mutual fund
$18.36+0.13 (+0.71%)Close Oct 2, 2026
Adjusted price
−2.82% total return, past year
Key statistics
- Net assets
- $13B
- Expense ratio
- 1.77%
- Share classes
- 9
- 52-week range
- $16.16$23.41
- From all-time high
- −30.22%
- Max drawdown
- −75.82%
- Volatility
- 22.58%
- Sharpe ratio
- 0.40
- Beta (5Y monthly)
- 1.07
Returns
Total
- 1M
- +1.5%
- YTD
- +2.5%
- 1Y
- −2.8%
Per year
- 3Y
- +10.6%
- 5Y
- +1.2%
- 10Y
- +10.0%
- 20Y
- +7.8%
- Since 1993
- +6.8%
Fund facts
As of May 31, 2026- Holdings
- 111
- Top 10 holdings
- 27.3%
- Stocks
- 99.1%
- Cash
- 2.0%
Sectors
- Information Technology
- 22.0%
- Industrials
- 20.9%
- Consumer Discretionary
- 13.7%
- Health Care
- 13.5%
- Financials
- 7.6%
- Other
- 21.3%
Top holdings
| Holding | Weight (%) |
|---|---|
| MPWRMonolithic Power Systems, Inc. | 4.3 |
| HWMHowmet Aerospace Inc. | 3.9 |
| PWRQuanta Services, Inc. | 3.3 |
| TTWOTake-Two Interactive Software, Inc. | 2.7 |
| LYVLive Nation Entertainment, Inc. | 2.6 |
| NTRANatera, Inc. | 2.2 |
| TKOTKO Group Holdings, Inc. | 2.1 |
| Masimo Corp. | 2.1 |
| ASNDAscendis Pharma A/S | 2.1 |
| BURLBurlington Stores, Inc. | 1.9 |
Annual returns
1993 from Nov 30 · 2026 through Oct 2