MGFIX — AMG Managers Loomis Sayles Bond Fund
Data updated: 2026-08-27
MGFIX — AMG Managers Loomis Sayles Bond Fund. Long Corporate Bond · $313.94M AUM · 0.68% expense ratio. Holdings, fees, performance and SEC filings.
MGFIX Fund Overview
MGFIX — AMG Managers Loomis Sayles Bond Fund is a US mutual fund managed by Amg Funds III, categorised as Long Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Amg Funds III
- Category: Long Corporate Bond
- Assets under management: $313.94M
- 1-year return: 3.7%
- Ticker: MGFIX
- SEC CIK: 0000720309
- SEC series ID: S000009868
- Share class ID: C000027310
MGFIX Holdings
Top 10 holdings of AMG Managers Loomis Sayles Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 3.57% |
| United States Of America - Bureau Of The Public Debt | 2.62% |
| Federal National Mortgage Association | 2.16% |
| Federal National Mortgage Association | 1.90% |
| Federal National Mortgage Association | 1.84% |
| Federal National Mortgage Association | 1.77% |
| United States Of America - Bureau Of The Public Debt | 1.72% |
| Federal National Mortgage Association | 1.47% |
| State Of Wisconsin Investment Board | 1.35% |
| Federal National Mortgage Association | 1.29% |
MGFIX Portfolio Allocation
Asset-class allocation of AMG Managers Loomis Sayles Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 68.1% |
| Securitized | 30.5% |
| Cash & Equivalents | 1.8% |
MGFIX Performance
Total returns for MGFIX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.7% |
| 1 year | 3.7% |
| 3 years (annualised) | 4.4% |
| 5 years (annualised) | 0.3% |
MGFIX Risk Information
Risk metrics for MGFIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.2%
MGFIX Costs and Fees
MGFIX costs about $68 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.68%
- Gross expense ratio: 0.72%
- Portfolio turnover: 35%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MGFIX Cashflows
Over the 12 months to 2026-06, AMG Managers Loomis Sayles Bond Fund had net outflows of $38.68M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$2.18M |
| 2026-05 | −$3.89M |
| 2026-04 | −$2.69M |
| 2026-03 | −$3.39M |
| 2026-02 | −$3.35M |
| 2026-01 | −$1.26M |
MGFIX Debt Constituents
Largest debt holdings of AMG Managers Loomis Sayles Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 3.57% |
| United States Of America - Bureau Of The Public Debt | 2.62% |
| United States Of America - Bureau Of The Public Debt | 1.72% |
| Jacobs Engineering Group, Inc. | 1.04% |
| United States Of America - Bureau Of The Public Debt | 1.03% |
| Bank Of America Corp. | 1.02% |
| California Health Facilities Financing Authority (ca) | 1.01% |
| Jobsohio Beverage System (oh) | 0.97% |
| United States Of America - Bureau Of The Public Debt | 0.94% |
| United States Of America - Bureau Of The Public Debt | 0.85% |
MGFIX Prospectus and SEC Filings
Official AMG Managers Loomis Sayles Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-30
- Prospectus (485BPOS) — filed 2025-04-30
- Prospectus (485BPOS) — filed 2024-04-29
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-06-01
- Portfolio holdings (N-PORT) — filed 2026-02-25
- Annual census (N-CEN) — filed 2026-03-16
- Annual census (N-CEN) — filed 2025-03-17
Related Funds
Other Long Corporate 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.