MFS Blended Research Core Equity Fund Class B (MUSBX)

Fund Assets	1.47B
Expense Ratio	1.441%
Min. Investment	$1,000
Turnover	47.00%
Dividend (ttm)	n/a
Dividend Yield	n/a
Dividend Growth	n/a
Payout Frequency	Annual
Ex-Dividend Date	Dec 11, 2025

Previous Close	41.27
YTD Return	15.21%
1-Year Return	17.82%
5-Year Return	84.41%
52-Week Low	33.65
52-Week High	41.82
Beta (5Y)	1.04
Holdings	114
Inception Date	Aug 11, 1997

About MUSBX

MFS Blended Research Core Equity Fund Class B is an actively managed mutual fund focused on achieving long-term capital appreciation. It primarily invests at least 80% of its net assets in equity securities, targeting large-cap U.S. companies that are considered high quality, trading at favorable valuations, and have catalysts that may unlock value over time. The fund employs a unique investment process that integrates both fundamental and quantitative research, allowing for a disciplined portfolio construction that leverages diverse analytical perspectives. This blended approach is designed to identify opportunities across a broad spectrum of industries and sectors within the U.S. market, mirroring the characteristics of the large-cap blend category. The fund’s performance is benchmarked against the Standard & Poor's 500 Stock Index, offering investors exposure that closely resembles the overall U.S. equity market. Managed by an experienced team, the fund has a history dating back to 1994 and holds over $1.4 billion in assets. Class B shares are subject to a sales charge that declines over time and feature an expense structure common to this share class.

• Fund Family: MFS
• Category: Large Blend
• Performance Rating: Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: MUSBX
• Share Class: B
• Index: S&P 500 TR

Performance

MUSBX had a total return of 17.82% in the past year, including dividends. Since the fund's inception, the average annual return has been 7.00%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
VQNPX	Vanguard	Vanguard Growth and Income Fund Investor Shares	0.41%
FMGKX	Fidelity	Fidelity Magellan K	0.56%
FMAGX	Fidelity	Fidelity Magellan Fund	0.63%
FEQDX	Fidelity	Fidelity Advisor Hedged Equity C	1.54%
VPMCX	Vanguard	Vanguard PRIMECAP Inv	0.34%

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

Symbol	Share Class	Expense Ratio
MUEVX	R6	0.30%
MUSEX	I	0.40%
MUEUX	R4	0.40%
MUEAX	A	0.65%

Top 10 Holdings

39.75% of assets

Name	Symbol	Weight
NVIDIA Corporation	NVDA	9.29%
Apple Inc.	AAPL	7.42%
Microsoft Corporation	MSFT	5.43%
Amazon.com, Inc.	AMZN	4.16%
Alphabet Inc.	GOOGL	2.48%
Broadcom Inc.	AVGO	2.47%
Johnson & Johnson	JNJ	2.32%
Salesforce, Inc.	CRM	2.16%
Mastercard Incorporated	MA	2.04%
Visa Inc.	V	1.98%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 11, 2025	$2.49019	Dec 12, 2025
Dec 12, 2024	$3.45654	Dec 13, 2024
Dec 14, 2023	$0.94413	Dec 15, 2023
Dec 13, 2022	$2.05232	Dec 14, 2022
Dec 14, 2021	$5.07825	Dec 15, 2021
Dec 15, 2020	$0.16649	Dec 16, 2020

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Oct 16, 2026

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