Skip to content
Investment Visual

MIGBX

MFS Massachusetts Investors Growth Stock Fund Class B

Mutual fund

$29.69+0.25 (+0.85%)Close Oct 2, 2026

Backtest MIGBX

Top holdings

55 in all, as of May 31, 2026
HoldingWeight (%)Value
NVDANVIDIA Corp.12.7$1.18B
MSFTMicrosoft Corp.9.5$877M
GOOGLAlphabet, Inc.5.8$539M
AAPLApple, Inc.5.3$485M
AMZNAmazon.com, Inc.4.8$439M
TSMTaiwan Semiconductor Manufacturing Co. Ltd.4.1$378M
VVisa, Inc.3.5$321M
APHAmphenol Corp.3.3$305M
AONAon plc2.4$226M
MCOMoody's Corp.2.4$220M

Asset classes

Stocks
99.4%
Cash and equivalents
0.9%
Net other assets
−0.3%

Stock sectors

Information Technology
40.2%
Financials
13.1%
Health Care
11.3%
Industrials
10.3%
Consumer Discretionary
9.9%
Communication Services
7.3%
Consumer Staples
4.3%
Utilities
2.0%
Materials
0.9%
Real Estate
0.1%

Countries

United States
81.1%
Ireland
8.0%
Taiwan
4.1%
France
4.0%
Cayman Islands
1.4%
Canada
0.9%