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MFRBX Holdings List NMFQS:MFRBX

Large Blend | MFS
$46.32
↑ $0.31 (0.67%)
Last Updated: Mar 20, 2026

MFS Research Fund Class B (MFRBX) - Large Blend fund with $8.08 Billion in assets. The fund allocates 42.67% of its portfolio to its top 10 holdings. It primarily invests in averagemarketcap cap stocks , with a focus on the cash and equivalents sector.

The largest holding in the fund is Microsoft Corp. at 8.42% of total assets. This is followed by Amazon.com, Inc. (4.54%) and NVIDIA Corp. (7.34%).

MFRBX Holdings

Name Weight Owned Change
Microsoft Corp. 8.42% - -
Amazon.com, Inc. 4.54% - -
NVIDIA Corp. 7.34% - -
Alphabet, Inc., Class A 3.53% - -
Apple, Inc. 5.84% - -
Meta Platforms, Inc., Class A 4.01% - -
Visa, Inc., Class A 3.46% - -
JPMorgan Chase Co. 2.63% - -
Salesforce, Inc. 1.53% - -
ConocoPhillips 1.37% - -
Johnson Johnson 1.51% - -
Broadcom, Inc. 3.40% - -
Mastercard, Inc., Class A 2.83% - -
RTX Corp. 1.42% - -

Asset Allocation

Bond 0.00%
Cash 0.93%
Non US Stock 1.82%
Not Classified 0.00%
Other 0.00%
US Stock 97.25%

Market Cap

AverageMarketCap 368620.04%
Giant 46.54%
Large 30.26%
Medium 20.42%
Micro 0.00%
Small 1.84%

Sector Weights

Cash and Equivalents 2.19%
Corporate 2.19%
Derivative 2.19%
Government 2.19%
Municipal 2.19%
Securitized 2.19%
Basic Materials 1.22%
Consumer Cyclical 8.93%
Financial Services 13.72%
Real Estate 0.54%
Consumer Defensive 4.34%
Healthcare 10.01%
Utilities 2.19%
Communication Services 10.37%
Energy 3.45%
Industrials 11.13%
Technology 34.09%

World Regions

Latin America 0.00%
North America 99.10%
Asia Developed 0.00%
Asia Emerging 0.00%
Australasia 0.00%
Japan 0.00%
Africa/Middle East 0.00%
Europe Developed 0.90%
Europe Emerging 0.00%
United Kingdom 0.00%