LSIGX Performance — Loomis Sayles Investment Grade Fixed Income Fund, Institutional Class

Data updated: 2026-08-28

LSIGX returned +0.86% year to date and +4.25% over one year to Jun 2026. Annualised returns are +5.53% over 3 years and +1.39% over 5 years. The fund beat its Intermediate Core Bond category average: $100 invested three years ago grew to $118, against $115 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.64% a year. In the 12 months to Jun 2026 the fund lost a net $29.1M, and assets reached $178.07M.

LSIGX Growth of $100

What $100 invested in Loomis Sayles Investment Grade Fixed Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.

PeriodLSIGXCategory average
1 year (Jul 2025 – Jun 2026)$104$104
3 years (Jul 2023 – Jun 2026)$118$115
5 years (Jul 2021 – Jun 2026)$107$102
Since data start (Jul 2019 – Jun 2026)$117$112

LSIGX Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+0.86%
1 year+4.25%
3 years (annualised)+5.53%
5 years (annualised)+1.39%

LSIGX Annual Returns

Calendar-year total returns of Loomis Sayles Investment Grade Fixed Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+0.86%
2025+7.57%
2024+3.15%
2023+8.02%
2022−11.97%
2021+0.80%
2020+7.19%
2019 (Jul–Dec)+2.09%

LSIGX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.3%+1.6%−2.1%+0.5%+0.4%+0.3%——————
2025+0.8%+2.0%−0.3%−0.2%−0.1%+1.9%−0.1%+1.1%+1.3%+0.4%+0.7%−0.1%
2024+0.4%−1.1%+1.1%−2.3%+1.8%+0.9%+2.2%+1.7%+1.5%−2.4%+1.2%−1.7%
2023+4.0%−2.5%+2.2%+0.6%−1.3%0.0%+0.4%−0.5%−2.2%−1.5%+4.9%+4.2%
2022−2.0%−1.5%−1.8%−3.3%+0.2%−2.5%+2.4%−1.9%−3.9%−1.1%+3.5%−0.3%
2021−1.1%−0.9%−0.5%+1.0%+0.7%+0.9%+0.7%+0.4%−0.9%+0.4%−0.6%+0.7%
20200.0%−0.8%−6.3%+1.8%+2.7%+1.7%+4.0%+0.1%−0.3%−0.1%+3.7%+0.8%
2019——————−0.2%+0.2%+0.2%+0.9%−0.3%+1.2%

LSIGX Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 5.64%
  • 3-year Sharpe ratio: 0.18 (vs 4.5% risk-free rate)
  • Best month: +4.86% (Nov 2023)
  • Worst month: −2.35% (Oct 2024)

LSIGX Fund Flows

Monthly money in and out of Loomis Sayles Investment Grade Fixed Income Fund, from SEC Form N-PORT.

  • 12-month net flow: −$29.1M
  • 12-month gross sales (incl. reinvestments): $24.8M
  • Sales ÷ redemptions: 0.46×
MonthSalesRedemptionsNet flow
Jun 2026$795K$0$795K
May 2026$893K$0$893K
Apr 2026$860K$120K$740K
Mar 2026$894K$0$894K
Feb 2026$818K$14.6M−$13.8M
Jan 2026$756K$0$756K
Dec 2025$1.1M$0$1.1M
Nov 2025$9.1M$20.3M−$11.2M
Oct 2025$4.0M$91K$3.9M
Sep 2025$1.0M$18.7M−$17.7M
Aug 2025$2.7M$48K$2.6M
Jul 2025$2.0M$93K$1.9M

LSIGX Assets Under Management

Net assets of Loomis Sayles Investment Grade Fixed Income Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$178.07M
2026-03-31$176.14M
2025-12-31$191.20M
2025-09-30$198.33M
2025-06-30$209.44M
2025-03-31$228.76M
2024-12-31$223.02M
2024-09-30$220.20M
2024-06-30$206.24M
2024-03-31$199.26M
2023-12-31$195.31M
2023-09-30$194.00M

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.