MFS Government Securities Fund I (MGSIX)
8.76
+0.01
(+0.11%)
USD |
Sep 15 2025
Key Stats
Customize
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.52% | 1.999B | -- | 195.0% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| -139.88M | 2.23% | Upgrade | Upgrade |
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 |
| 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:
78
-27.95M
Peer Group Low
652.42M
Peer Group High
1 Year
% Rank:
89
-139.88M
-380.11M
Peer Group Low
3.152B
Peer Group High
3 Months
% Rank:
33
-109.38M
Peer Group Low
914.77M
Peer Group High
3 Years
% Rank:
89
-2.490B
Peer Group Low
23.35B
Peer Group High
6 Months
% Rank:
66
-240.02M
Peer Group Low
2.231B
Peer Group High
5 Years
% Rank:
79
-3.706B
Peer Group Low
30.66B
Peer Group High
YTD
% Rank:
91
-294.62M
Peer Group Low
2.244B
Peer Group High
10 Years
% Rank:
61
-4.698B
Peer Group Low
39.69B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of September 16, 2025.
Asset Allocation
As of July 31, 2025.
| Type | % Net |
|---|---|
| Cash | 6.64% |
| Stock | 0.00% |
| Bond | 93.36% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.00% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
|
USD Cash
|
6.35% | -- | -- |
|
United States of America (Government) 3.625% 31-MAR-2028
|
4.42% | -- | -- |
|
United States of America (Government) 2.5% 15-FEB-2045
|
3.53% | -- | -- |
|
United States of America (Government) 2.75% 15-FEB-2028
|
2.71% | -- | -- |
|
United States of America (Government) 4.125% 31-AUG-2030
|
1.96% | -- | -- |
|
United States of America (Government) 1.625% 15-MAY-2031
|
1.87% | -- | -- |
|
United States of America (Government) 4.75% 15-FEB-2045
|
1.87% | -- | -- |
|
Government National Mortgage Association 2 6% 01-AUG-2055
|
1.60% | -- | -- |
|
United States of America (Government) .625% 31-JUL-2028
|
1.51% | -- | -- |
|
FEDERAL HOME LOAN MORTGAGE CORPORATION K057 A2 FIX 2.57% 25-JUL-2026
|
1.46% | -- | -- |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.36% |
| Administration Fee | 43.01K% |
| Maximum Front Load | -- |
| Maximum Deferred Load | -- |
| Maximum Redemption Fee | 0.00% |
| General Availability | |
| Available for Insurance Product | -- |
| Available for RRSP | -- |
| Purchase Details | |
| Open to New Investors |
|
| 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% 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 |
| 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 (9-12-25) | 3.74% |
| 30-Day SEC Yield (8-31-25) | 3.95% |
| 7-Day SEC Yield | -- |
| Bond | |
| Yield to Maturity (7-31-25) | 4.64% |
| Average Coupon | 3.88% |
| Calculated Average Quality | 1.528 |
| Effective Maturity | 18.60 |
| Nominal Maturity | 18.60 |
As of July 31, 2025
Fund Details
| Key Dates | |
| Inception Date | 1/2/1997 |
| Last Annual Report Date | 2/28/2025 |
| Last Prospectus Date | 6/27/2025 |
| Share Classes | |
| MFGBX | B |
| MFGDX | C |
| MFGGX | Retirement |
| MFGHX | Retirement |
| MFGJX | Retirement |
| MFGKX | Retirement |
| MFGSX | A |
| MGVSX | Retirement |
| Attributes | |
| Index Fund | -- |
| Inverse Fund | -- |
| Leveraged Fund | -- |
| Fund of Funds | No |
| Currency Hedged Fund | -- |
| Synthetic Replication Fund | No |
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:MGSIX", "name") |
| Broad Asset Class: =YCI("M:MGSIX", "broad_asset_class") |
| Broad Category: =YCI("M:MGSIX", "broad_category_group") |
| Prospectus Objective: =YCI("M:MGSIX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |