LSGSX — Loomis Sayles Inflation Protected Securities Fund
Data updated: 2026-08-28
LSGSX — Loomis Sayles Inflation Protected Securities Fund. Intermediate Treasury / Sovereign Bond · $107.63M AUM. Holdings, fees, performance and SEC filings.
LSGSX Fund Overview
LSGSX — Loomis Sayles Inflation Protected Securities Fund is a US mutual fund managed by Loomis Sayles Funds I, categorised as Intermediate Treasury / Sovereign 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: Intermediate Treasury / Sovereign Bond
- Assets under management: $107.63M
- 1-year return: 3.4%
- Ticker: LSGSX
- SEC CIK: 0000917469
- SEC series ID: S000006643
- Share class ID: C000018130
LSGSX Holdings
Top 10 holdings of Loomis Sayles Inflation Protected Securities Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 19.25% |
| United States Treasury | 15.51% |
| United States Treasury | 13.04% |
| United States Treasury | 12.57% |
| United States Treasury | 11.24% |
| United States Treasury | 7.17% |
| United States Treasury | 6.50% |
| United States Treasury | 2.77% |
| Fixed Income Clearing Corp. | 0.95% |
| Verizon Communications | 0.52% |
LSGSX Portfolio Allocation
Asset-class allocation of Loomis Sayles Inflation Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.1% |
| Cash & Equivalents | 0.9% |
LSGSX Performance
Total returns for LSGSX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.0% |
| 1 year | 3.4% |
| 3 years (annualised) | 3.8% |
| 5 years (annualised) | 0.6% |
LSGSX Risk Information
Risk metrics for LSGSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.8%
LSGSX Costs and Fees
LSGSX costs about $40 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.40%
- Gross expense ratio: 0.61%
- Portfolio turnover: 68%
- Brokerage commissions: 0.02 bps of average net assets (SEC N-CEN)
LSGSX Cashflows
Over the 12 months to 2026-06, Loomis Sayles Inflation Protected Securities Fund had net inflows of $7.92M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $1.33M |
| 2026-05 | −$287.51K |
| 2026-04 | $1.88M |
| 2026-03 | $8.15M |
| 2026-02 | −$1.17M |
| 2026-01 | $266.51K |
LSGSX Debt Constituents
Largest debt holdings of Loomis Sayles Inflation Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 19.25% |
| United States Treasury | 15.51% |
| United States Treasury | 13.04% |
| United States Treasury | 12.57% |
| United States Treasury | 11.24% |
| United States Treasury | 7.17% |
| United States Treasury | 6.50% |
| United States Treasury | 2.77% |
| Verizon Communications | 0.52% |
| Hsbc Holdings PLC | 0.51% |
LSGSX Prospectus and SEC Filings
Official Loomis Sayles Inflation Protected Securities Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-27
- Prospectus (485BPOS) — filed 2025-01-27
- Prospectus supplement (497) — filed 2024-02-01
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-12
Related Funds
Other Intermediate Treasury / Sovereign 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.