LSIGX — Loomis Sayles Investment Grade Fixed Income Fund
Data updated: 2026-05-29
LSIGX — Loomis Sayles Investment Grade Fixed Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $176.14M AUM · 0.65% expense ratio · 4.7% 1-yr return. From SEC regulatory filings.
LSIGX Fund Overview
LSIGX — Loomis Sayles Investment Grade Fixed Income Fund is a US mutual fund managed by Loomis Sayles Funds I, 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: Loomis Sayles Funds I
- Category: Long Total / Aggregate Bond
- Assets under management: $176.14M
- 1-year return: 4.7%
- Ticker: LSIGX
- SEC CIK: 0000917469
- SEC series ID: S000006646
- Share class ID: C000018133
LSIGX Holdings
Top 10 holdings of Loomis Sayles Investment Grade Fixed Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 3.50% |
| United States Treasury | 2.95% |
| Fixed Income Clearing Corp. | 2.58% |
| United States Treasury | 1.98% |
| United States Treasury | 1.96% |
| United States Treasury | 1.42% |
| United States Treasury | 1.37% |
| Natl Life Insurance-Vrmt | 1.01% |
| Nlv Financial Corp. | 0.88% |
| Glencore Funding LLC | 0.82% |
LSIGX Portfolio Allocation
Asset-class allocation of Loomis Sayles Investment Grade Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 62.1% |
| Securitized | 29.0% |
| Loans | 5.3% |
| Cash & Equivalents | 3.7% |
LSIGX Performance
Total returns for LSIGX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.3% |
| 1 year | 4.7% |
| 3 years (annualised) | 4.9% |
| 5 years (annualised) | 1.7% |
LSIGX Risk Information
Risk metrics for LSIGX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.7%
LSIGX Costs and Fees
LSIGX costs about $65 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.65%
- Gross expense ratio: 0.59%
- Portfolio turnover: 76%
- Brokerage commissions: 0.77 bps of average net assets (SEC N-CEN)
LSIGX Cashflows
Over the 12 months to 2026-03, Loomis Sayles Investment Grade Fixed Income Fund had net outflows of $51.19M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $893.73K |
| 2026-02 | −$13.79M |
| 2026-01 | $755.85K |
| 2025-12 | $1.15M |
| 2025-11 | −$11.18M |
| 2025-10 | $3.87M |
LSIGX Debt Constituents
Largest debt holdings of Loomis Sayles Investment Grade Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 3.50% |
| United States Treasury | 2.95% |
| United States Treasury | 1.98% |
| United States Treasury | 1.96% |
| United States Treasury | 1.42% |
| United States Treasury | 1.37% |
| Natl Life Insurance-Vrmt | 1.01% |
| Nlv Financial Corp. | 0.88% |
| Glencore Funding LLC | 0.82% |
| Beignet Investor LLC | 0.81% |
LSIGX Prospectus and SEC Filings
Official Loomis Sayles Investment Grade Fixed Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
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.