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Massachusetts Financial Services Co. /ma/

CIK:0000912938
Asset Manager
$645B AUM
884 holdings
Boston, MA, United States
Founded:1924
1,271 employees
Latest filing:Jun 30, 2025

Massachusetts Financial Services Company (now operating as MFS Investment Management) is a global asset manager headquartered in Boston, Massachusetts. Originally founded in 1924, it is one of the world’s oldest asset management firms and is credited with launching the first open-end mutual fund in the United States. As of 2025, the firm employs over 1,200 people, including investment professionals, and manages a wide range of investment products for global institutional and individual investors.

Investment Strategy

MFS Investment Management follows a research-driven, active investment strategy with an emphasis on fundamental research and disciplined risk management. The firm manages mutual funds, institutional portfolios, and separate accounts, applying a long-term perspective and diversified approach across equities, fixed income, and multi-asset solutions globally. Their philosophy stresses collaboration among global investment teams to develop unique insights and deliver consistent results for investors.

Top Buys
M
MSFTMICROSOFT CORP
+$3.32B
N
NVDANVIDIA CORPORATION
+$2.74B
M
METAMETA PLATFORMS INC
+$1.29B
A
AVGOBROADCOM INC
+$1.19B
N
NDAQNASDAQ INC
+$888.8M
Top Sells
V
VVISA INC
-$896.8M
A
AONAON PLC
-$730.3M
F
FIFISERV INC
-$700.6M
A
AAPLAPPLE INC
-$614.3M
C
CRMSALESFORCE INC
-$550.6M

Top Holdings

M
MSFTMICROSOFT CORP
+4.8%$14.97B
N
NVDANVIDIA CORPORATION
+2.9%$9.06B
A
AMZNAMAZON COM INC
+2.1%$6.66B
M
METAMETA PLATFORMS INC
+2.1%$6.63B
A
AAPLAPPLE INC
+1.6%$5.15B

Equity Positions (874)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
M
MSFT
MICROSOFT CORP4.75%$14.97B30,098,799$109.17$497.41+$3.32B
N
NVDA
NVIDIA CORPORATION2.88%$9.06B57,362,545$18.57$157.99+$2.74B
A
AMZN
AMAZON COM INC2.11%$6.66B30,370,533$57.81$219.39+$853.6M
M
META
META PLATFORMS INC2.11%$6.63B8,988,662$297.40$738.09+$1.29B
A
AAPL
APPLE INC1.64%$5.15B25,119,076$49.56$205.17-$614.3M

Industry Allocation

SERVICES-PREPACKAGED SOFTWARE
+9.7%
SEMICONDUCTORS & RELATED DEVICES
+6.5%
SERVICES-BUSINESS SERVICES, NEC
+4.4%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+4.1%
NATIONAL COMMERCIAL BANKS
+4.0%