BGNMX — Ginnie Mae Fund
Data updated: 2026-08-28
BGNMX — Ginnie Mae Fund. Long Total / Aggregate Bond · $338.76M AUM · 0.55% expense ratio · 4.7% 1-yr return. Holdings, fees, performance and SEC filings.
BGNMX Fund Overview
BGNMX — Ginnie Mae Fund is a US mutual fund managed by American Century Government Income Trust, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: American Century Government Income Trust
- Category: Long Total / Aggregate Bond
- Assets under management: $338.76M
- 1-year return: 4.7%
- Ticker: BGNMX
- SEC CIK: 0000773674
- SEC series ID: S000005966
- Share class ID: C000016430
BGNMX Holdings
Top 10 holdings of Ginnie Mae Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Bank & Trust Co | 11.19% |
| Ginnie Mae | 10.14% |
| Government National Mortgage Association | 5.81% |
| Government National Mortgage Association | 4.19% |
| Government National Mortgage Association | 3.76% |
| Government National Mortgage Association | 3.71% |
| Ginnie Mae | 3.56% |
| Government National Mortgage Association | 3.39% |
| Ginnie Mae | 3.02% |
| Government National Mortgage Association | 2.83% |
BGNMX Portfolio Allocation
Asset-class allocation of Ginnie Mae Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 104.1% |
| Cash & Equivalents | 11.2% |
BGNMX Performance
Total returns for BGNMX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.2% |
| 1 year | 4.7% |
| 3 years (annualised) | 4.0% |
| 5 years (annualised) | 0.1% |
BGNMX Risk Information
Risk metrics for BGNMX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.0%
BGNMX Costs and Fees
BGNMX costs about $55 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.55%
- Gross expense ratio: 0.55%
- Portfolio turnover: 138%
- Brokerage commissions: 0.11 bps of average net assets (SEC N-CEN)
BGNMX Cashflows
Over the 12 months to 2026-06, Ginnie Mae Fund had net outflows of $29.21M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$1.62M |
| 2026-05 | −$2.18M |
| 2026-04 | −$6.39M |
| 2026-03 | −$3.22M |
| 2026-02 | −$2.60M |
| 2026-01 | −$1.49M |
BGNMX Debt Constituents
No individual debt constituents are reported in Ginnie Mae Fund's latest SEC N-PORT filing.
BGNMX Prospectus and SEC Filings
Official Ginnie Mae Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-07-29
- Prospectus (485BPOS) — filed 2025-07-29
- Prospectus (485BPOS) — filed 2024-07-29
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2026-06-11
- Annual census (N-CEN) — filed 2025-06-11
Related Funds
Other Long Total / Aggregate 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.