LSIIX Performance — Loomis Sayles Investment Grade Bond Fund, Class Y
Data updated: 2026-08-28
LSIIX returned +0.89% year to date and +3.88% over one year to Jun 2026. Annualised returns are +5.15% over 3 years and +1.14% over 5 years. The fund trailed its Intermediate Corporate Bond category average: $100 invested three years ago grew to $116, against $118 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.46% a year. In the 12 months to Jun 2026 the fund took in a net $1.3B, and assets reached $17.02B.
LSIIX Growth of $100
What $100 invested in Loomis Sayles Investment Grade Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Corporate Bond category average over the same months.
| Period | LSIIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $116 | $118 |
| 5 years (Jul 2021 – Jun 2026) | $106 | $106 |
| Since data start (Jul 2019 – Jun 2026) | $121 | $118 |
LSIIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.89% |
| 1 year | +3.88% |
| 3 years (annualised) | +5.15% |
| 5 years (annualised) | +1.14% |
LSIIX Annual Returns
Calendar-year total returns of Loomis Sayles Investment Grade Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.89% |
| 2025 | +6.96% |
| 2024 | +2.81% |
| 2023 | +7.50% |
| 2022 | −11.30% |
| 2021 | +0.24% |
| 2020 | +11.67% |
| 2019 (Jul–Dec) | +2.57% |
LSIIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +1.5% | −2.0% | +0.6% | +0.4% | +0.1% | — | — | — | — | — | — |
| 2025 | +0.6% | +2.0% | −0.3% | −0.1% | −0.1% | +1.7% | −0.1% | +1.0% | +1.2% | +0.4% | +0.6% | −0.2% |
| 2024 | +0.3% | −1.2% | +1.1% | −2.2% | +1.6% | +1.0% | +2.1% | +1.6% | +1.4% | −2.4% | +1.1% | −1.6% |
| 2023 | +3.3% | −2.4% | +2.5% | +0.6% | −1.3% | 0.0% | +0.4% | −0.5% | −2.2% | −1.5% | +4.8% | +4.0% |
| 2022 | −1.9% | −1.3% | −1.9% | −3.2% | 0.0% | −2.3% | +2.3% | −1.8% | −3.7% | −1.1% | +3.4% | −0.3% |
| 2021 | −0.4% | −0.5% | −0.7% | +0.7% | +0.4% | +0.7% | +0.6% | +0.1% | −0.3% | −0.1% | −0.4% | +0.2% |
| 2020 | +1.9% | +1.4% | −5.9% | +4.2% | +2.2% | +1.9% | +2.4% | −0.4% | 0.0% | +0.1% | +2.4% | +1.1% |
| 2019 | — | — | — | — | — | — | +0.3% | +2.2% | −0.4% | +0.2% | −0.1% | +0.4% |
LSIIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 5.46%
- 3-year Sharpe ratio: 0.12 (vs 4.5% risk-free rate)
- Best month: +4.79% (Nov 2023)
- Worst month: −2.36% (Oct 2024)
LSIIX Fund Flows
Monthly money in and out of Loomis Sayles Investment Grade Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $1.3B
- 12-month gross sales (incl. reinvestments): $5.6B
- Sales ÷ redemptions: 1.30×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $476.8M | $345.9M | $130.9M |
| May 2026 | $446.4M | $409.9M | $36.6M |
| Apr 2026 | $419.3M | $476.6M | −$57.3M |
| Mar 2026 | $558.2M | $443.9M | $114.3M |
| Feb 2026 | $382.1M | $391.7M | −$9.5M |
| Jan 2026 | $483.6M | $467.3M | $16.4M |
| Dec 2025 | $520.3M | $311.6M | $208.6M |
| Nov 2025 | $347.6M | $252.9M | $94.7M |
| Oct 2025 | $549.7M | $320.2M | $229.5M |
| Sep 2025 | $460.7M | $300.7M | $160.0M |
| Aug 2025 | $449.1M | $257.7M | $191.3M |
| Jul 2025 | $483.5M | $297.9M | $185.6M |
LSIIX Assets Under Management
Net assets of Loomis Sayles Investment Grade Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $17.02B |
| 2026-03-31 | $16.94B |
| 2025-12-31 | $17.08B |
| 2025-09-30 | $16.62B |
| 2025-06-30 | $15.94B |
| 2025-03-31 | $15.66B |
| 2024-12-31 | $14.92B |
| 2024-09-30 | $14.58B |
| 2024-06-30 | $12.62B |
| 2024-03-31 | $11.52B |
| 2023-12-31 | $10.35B |
| 2023-09-30 | $9.02B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.