MFS Government Securities Fund B (MFGBX)
8.63
+0.01
(+0.12%)
USD |
Apr 02 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 1.52% | 1.950B | -- | 195.0% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| -94.27M | 2.56% |
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% its net assets in U.S. Government securities but may also invest in other debt instruments. It generally invests all of the funds assets in investment grade quality debt instruments. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Taxable Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Medium Term |
| Peer Group | Intermediate U.S. Government Funds |
| Global Macro | Bond HC |
| US Macro | Short-/Intermediate-Term U.S. Government & Treasury Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Intermediate U.S. Government Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBUSATR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
92
-139.34M
Peer Group Low
755.62M
Peer Group High
1 Year
% Rank:
73
-94.27M
-439.98M
Peer Group Low
9.520B
Peer Group High
3 Months
% Rank:
87
-126.10M
Peer Group Low
4.273B
Peer Group High
3 Years
% Rank:
84
-3.118B
Peer Group Low
28.99B
Peer Group High
6 Months
% Rank:
84
-141.02M
Peer Group Low
7.123B
Peer Group High
5 Years
% Rank:
79
-4.095B
Peer Group Low
37.62B
Peer Group High
YTD
% Rank:
87
-126.10M
Peer Group Low
4.273B
Peer Group High
10 Years
% Rank:
46
-4.709B
Peer Group Low
47.27B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of April 06, 2026.
Asset Allocation
As of February 28, 2026.
| Type | % Net |
|---|---|
| Cash | 0.25% |
| Stock | 0.00% |
| Bond | 96.12% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 3.63% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| United States of America USGB 3.5 09/30/2027 FIX USD Government | 4.49% | 99.53 | -0.02% |
| United States of America USGB 3.625 03/31/2028 FIX USD Government | 4.33% | 99.65 | -0.00% |
| United States of America USGB 3.5 10/31/2027 FIX USD Government | 3.90% | 99.48 | -0.00% |
| United States of America USGB 2.5 02/15/2045 FIX USD Government | 3.54% | 70.36 | -0.07% |
| United States of America USGB 2.75 02/15/2028 FIX USD Government | 2.63% | 98.10 | 0.00% |
| United States of America USGB 4.125 08/31/2030 FIX USD Government | 1.90% | 100.73 | -0.06% |
| United States of America USGB 1.625 05/15/2031 FIX USD Government | 1.88% | 89.22 | -0.02% |
| United States of America USGB 4.75 02/15/2045 FIX USD Government | 1.84% | 98.52 | -0.07% |
| United States of America USGB 4.25 08/15/2035 FIX USD Government | 1.72% | 99.72 | -0.05% |
|
Federal National Mortgage Association 2% 01-APR-2056
|
1.62% | -- | -- |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | 1.00% |
| Actual Management Fee | 0.36% |
| Administration Fee | 111.0% |
| Maximum Front Load | -- |
| Maximum Deferred Load | 4.00% |
| Maximum Redemption Fee | 0.00% |
| General Availability | |
| Available for Insurance Product | No |
| Available for RRSP | No |
| Purchase Details | |
| Open to New Investors | No |
| Minimum Initial Investment | 1000.00 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% its net assets in U.S. Government securities but may also invest in other debt instruments. It generally invests all of the funds assets in investment grade quality debt instruments. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Taxable Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Medium Term |
| Peer Group | Intermediate U.S. Government Funds |
| Global Macro | Bond HC |
| US Macro | Short-/Intermediate-Term U.S. Government & Treasury Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Intermediate U.S. Government Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBUSATR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (4-2-26) | 2.75% |
| 30-Day SEC Yield (2-28-26) | 2.61% |
| 7-Day SEC Yield | -- |
| Number of Holdings | 777 |
| Bond | |
| Yield to Maturity (2-28-26) | 3.88% |
| Effective Duration | 5.58 |
| Average Coupon | 3.63% |
| Calculated Average Quality | 1.630 |
| Effective Maturity | 16.77 |
| Nominal Maturity | 16.77 |
| Number of Bond Holdings | 749 |
As of February 28, 2026
Fund Details
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:MFGBX", "name") |
| Broad Asset Class: =YCI("M:MFGBX", "broad_asset_class") |
| Broad Category: =YCI("M:MFGBX", "broad_category_group") |
| Prospectus Objective: =YCI("M:MFGBX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |