Returns Chart

Key Stats

Net Expense Ratio Total Assets Under Management Weighted Average Dividend Yield Turnover Ratio (Generic)
0.61% 1.030B -- 133.0%
1 Year Fund Level Flows 1 Year Total Returns (Daily) Annualized Total Returns Since Inception (Daily) Max Drawdown (Since Inception)
-39.79M 5.54%

Basic Info

Investment Strategy
The Fund seeks total return with an emphasis on current income, but also considering capital appreciation. The Fund invests at least 80% of its assets in debt instruments of U.S. and foreign issuers, including emerging markets issuers. The Fund generally focuses on debt instruments of U.S. and foreign governments.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond Global USD
Peer Group Global Income Funds
Global Macro Bond Global
US Macro World Income Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Global Income Funds
Fund Owner Firm Name MFS
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Net Fund Flows Versus Peer Group

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1M
3M
6M
YTD
1Y
3Y
5Y
10Y
 
80.00B
60.00B
40.00B
20.00B
0
-20.00B
1 Month
% Rank: 51
-150.12M Peer Group Low
259.41M Peer Group High
1 Year
% Rank: 63
-39.79M
-1.038B Peer Group Low
1.422B Peer Group High
3 Months
% Rank: 74
-435.80M Peer Group Low
483.48M Peer Group High
3 Years
% Rank: 52
-2.656B Peer Group Low
2.656B Peer Group High
6 Months
% Rank: 69
-848.11M Peer Group Low
1.107B Peer Group High
5 Years
% Rank: 16
-9.943B Peer Group Low
3.254B Peer Group High
YTD
% Rank: 50
-173.52M Peer Group Low
380.15M Peer Group High
10 Years
% Rank: 29
-50.21B Peer Group Low
4.341B Peer Group High
Date Unavailable

Performance Versus Peer Group

 
20%
15%
10%
5%
0
Name
1M
3M
YTD
1Y
3Y
5Y
10Y
15Y
Total Return (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
Peer Group Rtn. (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
% Rank in Peer Group (NAV)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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Annual Total Returns Versus Peers

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Name
2019
2020
2021
2022
2023
2024
2025
YTD
8.54%
11.12%
-2.90%
-10.89%
8.89%
2.64%
5.96%
-0.09%
8.72%
7.51%
-1.54%
-13.01%
5.53%
1.25%
7.30%
-0.03%
14.45%
8.44%
-3.39%
-16.68%
11.43%
4.53%
7.43%
-0.05%
10.73%
7.92%
1.52%
-5.89%
7.00%
3.68%
8.62%
-0.74%
8.77%
4.70%
-0.90%
-12.98%
6.82%
2.39%
5.11%
0.07%
7.58%
5.10%
-0.78%
-11.92%
6.95%
2.71%
5.08%
-0.02%
As of March 13, 2026.

Fundamentals

General
Distribution Yield --
Dividend Yield TTM (3-11-26) 4.72%
30-Day SEC Yield (1-31-26) 4.14%
7-Day SEC Yield --
Number of Holdings 4872
Bond
Yield to Maturity (1-31-26) 4.74%
Effective Duration 6.51
Average Coupon 4.66%
Calculated Average Quality 3.646
Effective Maturity 11.56
Nominal Maturity 11.74
Number of Bond Holdings 4254
As of January 31, 2026

Asset Allocation

As of January 31, 2026.
Type % Net
Cash 2.22%
Stock 0.00%
Bond 98.35%
Convertible 0.00%
Preferred 0.00%
Other -0.57%
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Top 10 Holdings

Name % Weight Price % Change
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/EUR FORWARD CONTRACT
22.66% -- --
USD/GBP FORWARD CONTRACT
5.09% -- --
USD/GBP FORWARD CONTRACT
5.09% -- --
USD/GBP FORWARD CONTRACT
5.09% -- --
USD/GBP FORWARD CONTRACT
5.09% -- --

Fees & Availability

Fees
Actual 12B-1 Fee --
Actual Management Fee 0.54%
Administration Fee 150.5K%
Maximum Front Load --
Maximum Deferred Load --
Maximum Redemption Fee --
General Availability
Available for Insurance Product No
Available for RRSP No
Purchase Details
Open to New Investors Yes
Minimum Initial Investment 0.00 None
Minimum Subsequent Investment 0.00 None

Basic Info

Investment Strategy
The Fund seeks total return with an emphasis on current income, but also considering capital appreciation. The Fund invests at least 80% of its assets in debt instruments of U.S. and foreign issuers, including emerging markets issuers. The Fund generally focuses on debt instruments of U.S. and foreign governments.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond Global USD
Peer Group Global Income Funds
Global Macro Bond Global
US Macro World Income Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Global Income Funds
Fund Owner Firm Name MFS
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Fundamentals

General
Distribution Yield --
Dividend Yield TTM (3-11-26) 4.72%
30-Day SEC Yield (1-31-26) 4.14%
7-Day SEC Yield --
Number of Holdings 4872
Bond
Yield to Maturity (1-31-26) 4.74%
Effective Duration 6.51
Average Coupon 4.66%
Calculated Average Quality 3.646
Effective Maturity 11.56
Nominal Maturity 11.74
Number of Bond Holdings 4254
As of January 31, 2026

Fund Details

Key Dates
Inception Date 10/1/2012
Share Classes
MGBAX A
MGBBX B
MGBDX C
MGBJX Inst
MGBKX Retirement
MGBLX Retirement
MGBMX Retirement
MGBNX Retirement
Attributes
Inverse Fund No
Leveraged Fund --
Currency Hedged Fund --
Socially Responsible Fund No

Top Portfolio Holders

Name % Weight
Portfolio A 5.00%
Portfolio B 3.50%
Portfolio C 2.25%
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Excel Add-In Codes

Name: =YCI("M:MGBOX", "name")
Broad Asset Class: =YCI("M:MGBOX", "broad_asset_class")
Broad Category: =YCI("M:MGBOX", "broad_category_group")
Prospectus Objective: =YCI("M:MGBOX", "prospectus_objective")
To find the codes for any of our securities and financial metrics, see our Complete Excel Reference.
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