MFGKX — MFS Government Securities Fund
Data updated: 2026-07-23
MFGKX — MFS Government Securities Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Securitized (MBS/ABS/CMBS) Bond · $1.93B AUM · 0.43% expense ratio · 5.9% 1-yr return. From SEC regulatory filings.
MFGKX Fund Overview
MFGKX — MFS Government Securities Fund is a US mutual fund managed by Mfs Series Trust XIII, categorised as Long Securitized (MBS/ABS/CMBS) Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Mfs Series Trust XIII
- Category: Long Securitized (MBS/ABS/CMBS) Bond
- Assets under management: $1.93B
- 1-year return: 5.9%
- Ticker: MFGKX
- SEC CIK: 0000356349
- SEC series ID: S000000693
- Share class ID: C000117927
MFGKX Holdings
Top 10 holdings of MFS Government Securities Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States of America | 3.53% |
| United States of America | 3.37% |
| United States of America | 2.75% |
| United States of America | 2.31% |
| MFS Institutional Money Market Portfolio | 2.14% |
| United States of America | 1.95% |
| United States of America | 1.92% |
| FNMA or FHLMC | 1.85% |
| United States of America | 1.84% |
| FNMA or FHLMC | 1.70% |
MFGKX Portfolio Allocation
Asset-class allocation of MFS Government Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 71.4% |
| Fixed Income | 31.2% |
| Cash & Equivalents | 2.1% |
| Real Estate | 0.5% |
MFGKX Performance
Total returns for MFGKX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.9% |
| 1 year | 5.9% |
| 3 years (annualised) | 4.4% |
| 5 years (annualised) | 0.2% |
MFGKX Risk Information
Risk metrics for MFGKX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.9%
MFGKX Costs and Fees
MFGKX costs about $43 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.43%
- Gross expense ratio: 0.44%
- Portfolio turnover: 139%
- Brokerage commissions: 1.52 bps of average net assets (SEC N-CEN)
MFGKX Cashflows
Over the 12 months to 2026-02, MFS Government Securities Fund had net outflows of $52.48M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$2.85M |
| 2026-01 | $3.13M |
| 2025-12 | −$3.68M |
| 2025-11 | $9.88M |
| 2025-10 | $11.21M |
| 2025-09 | −$3.81M |
MFGKX Debt Constituents
Largest debt holdings of MFS Government Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States of America | 3.53% |
| United States of America | 3.37% |
| United States of America | 2.75% |
| United States of America | 2.31% |
| United States of America | 1.95% |
| United States of America | 1.92% |
| United States of America | 1.84% |
| United States of America | 1.62% |
| United States of America | 1.57% |
| United States of America | 1.42% |
MFGKX Prospectus and SEC Filings
Official MFS Government Securities Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Securitized (MBS/ABS/CMBS) Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.