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MFSB ETF · MFS Active Core Plus Bond ETF
The MFSB Exchange Traded Fund (ETF) is provided by MFS. This fund is actively managed; it does not track an index. This share class generates a stream of income by distributing dividends.
Last update 4/24/2026, 1:30 PM UTC
LIVE
CLOSED
This fund is part ofUS Aggregate Bonds1M perf.+0.72%
Last price
$25.14
1M perf.
+1.09%
1M flows
+€93M
AuM
€349M
E/R
0.34%
Rating
Not rated
ESG Consensus®
MFSB
$25.14
Performance & flows
Segment for quartile rank
January 22, 2026 → April 22, 2026
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MFSB
$25.09
+0.55%
US Aggregate Bonds
+0.39%
Historic performance and flows
| 1M | 3M | 1Y | 3Y | 5Y | MTD | QTD | YTD | ||
|---|---|---|---|---|---|---|---|---|---|
| Perf. | +1.09%  | +0.55% | +7.45%  | N/A | N/A | +0.93% | +0.93% | +0.83% | |
| Flows |
Key fund info
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This ETF's jurisdiction country is not in your region (Europe and Middle East) ·
Main characteristics
More details
NAV
4/22/2026
$25.09
1D NAV change
+0.08%
Dividend policy
No. of holdings
245
Inception date
12/4/2024
Jurisdiction
United States
Distribution
United States
Legal structure
Open-end Investment Company
Base currency
USD
Dividend distribution
Trailing 12-month distr. yield
Distribution frequency
Last distribution
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Classification
Investment strategy
The fund’s investment objective is to seek total return with an emphasis on current income, but also considering capital appreciation.
Tax optimisation
PEA
France
UK Reporting Status
United Kingdom
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Risk profile
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Historical risk/return profile
| 3M | 1Y | 3Y | 5Y | |
|---|---|---|---|---|
| Returns | +0.55% | +7.45% | N/A | N/A |
| Volatility | ||||
| Perf./Volatility | ||||
| Max drawdown |
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Synthetic Risk and Reward Indicator (SRRI)
UCITS
N/A
PRIIPS
N/A
More exposure metrics are available, exclusively in Trackinsight Enterprise
Exposure
Countries
USA
62.87%
Canada
1.23%
Unavailable
29.37%
Other
6.53%
Sectors
Sovereign
11.48%
Banks
3.84%
Insurance and reinsurance
1.63%
Other sectors
1.39%
Unavailable
69.50%
Other
12.16%
Diversification
Total weight of top 15 holdings out of 245
Top 15 holdings
Data as of March 31, 2026
US912810UQ93
USA, Notes 4.125% 31oct2029, USD (AF-2029)
US91282CNN73
US912810UP11
USA, Bonds 4.625% 15nov2044, USD
US912810UN62
USA, Bonds 4.5% 15nov2054, USD
USA, Bonds 4.25% 15feb2054, USD
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US01F0526495
Boston Properties LP, 5.75% 15jan2035, USD
US64832CAC73
US89681LAC63
Boeing, 6.528% 1may2034, USD
US31418FE297
US62954WAV72
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Sustainability
Integrates ESG criteria
No
SDG
More sustainability metrics are available, exclusively in Trackinsight Enterprise
Issuer
MFS
MFS ID Card
Number of funds
9
Total AuM
€2.16B
Expense ratio range
0.24% - 0.59%
Average expense ratio
0.4233%
Top 5 funds by MFS
| AuM | ||
|---|---|---|
MFSI | MFS Active International ETF | €850M |
MFSV | MFS Active Value ETF | €366M |
MFSB | MFS Active Core Plus Bond ETF | €349M |
MFSG | MFS Active Growth ETF | €246M |
BRIE | MFS Blended Research Core Equity ETF | €195M |
Frequently asked questions about MFSB
What does MFS Active Core Plus Bond ETF, MFSB, invest in?
MFSB is a Active ETF. This ETF provides exposure to Mixed Ratings Aggregate Bonds.
What is the Total Expense ratio (TER) of MFSB?
MFSB carries a total expense ratio (TER) of 0.34%, indicating the annual cost for holding the fund.
When was MFSB launched?
MFSB was introduced to the market on December 4, 2024. It trades on United States
Who is the ETF issuer of MFSB?
MFS Active Core Plus Bond ETF, MFSB, is provided by MFS. Learn more about MFS here.
What is the current assets under management (AUM) of MFSB?
MFSB oversees €349M in assets as of April 22, 2026.
How has MFSB performed lately?
Based on data from April 22, 2026, MFSB returned 1.09% over the past month, 0.55% over the last three months and 0.83% year-to-date.
What are the latest inflows or outflows for MFSB?
As of April 22, 2026, MFSB recorded net flows of +€94M over the last month and +€214M year-to-date.
Does MFSB distribute dividends?
MFSB follows a distributing dividend policy, meaning it pays out income to investors. As of April 22, 2026, its 12-month trailing yield was 4.60%.
What are the main country or region exposures of MFSB?
As of March 31, 2026, MFSB has significant geographic allocations in USA and Canada.
In which sector or theme does MFSB invest in?
As of March 31, 2026, MFSB focuses largely on Sovereign, Banks and Insurance and reinsurance.
How many securities does MFSB hold and how diversified is it?
As of March 31, 2026, MFSB holds 245 positions in its portfolio, with 28.89% of assets concentrated in its top 15 holdings.
What are the main positions in MFSB?
As of March 31, 2026, MFSB top three holdings include US912810UQ93, USA, Notes 4.125% 31oct2029, USD (AF-2029) and US91282CNN73.
What is the base currency of MFSB?
The base currency of MFSB is USD.
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