SOISX Performance — Western Asset Oregon Municipals Fund
Data updated: 2026-09-23
SOISX returned +0.79% year to date and +5.93% over one year to Jul 2026. Annualised returns are +3.03% over 3 years and +0.18% over 5 years. The fund beat its Intermediate Municipal Bond category average: $100 invested three years ago grew to $109, against $109 for the category, and to $106 over one year, against $105. Volatility over the past three years was 5.06% a year. In the 12 months to Jul 2026 the fund lost a net $1.1M, and assets reached $40.66M. Returns are those of sibling share class SHORX; this class's own returns are not reported in filings.
SOISX Growth of $100
What $100 invested in Western Asset Oregon Municipals Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Municipal Bond category average over the same months.
| Period | SOISX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $106 | $105 |
| 3 years (Aug 2023 – Jul 2026) | $109 | $109 |
| 5 years (Aug 2021 – Jul 2026) | $101 | $102 |
| Since data start (Aug 2019 – Jul 2026) | $109 | $109 |
SOISX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.79% |
| 1 year | +5.93% |
| 3 years (annualised) | +3.03% |
| 5 years (annualised) | +0.18% |
SOISX Annual Returns
Calendar-year total returns of Western Asset Oregon Municipals Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.79% |
| 2025 | +4.12% |
| 2024 | +1.48% |
| 2023 | +4.23% |
| 2022 | −8.96% |
| 2021 | +1.79% |
| 2020 | +4.38% |
| 2019 (Aug–Dec) | +1.20% |
SOISX 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 | +0.6% | +1.2% | −1.9% | +1.0% | +0.5% | +0.8% | −1.5% | — | — | — | — | — |
| 2025 | +0.3% | +1.0% | −1.3% | −0.6% | −0.5% | +0.9% | −0.6% | +1.1% | +2.4% | +1.1% | +0.3% | +0.1% |
| 2024 | −0.2% | +0.1% | +0.1% | −1.1% | −0.2% | +1.7% | +0.9% | +0.7% | +0.8% | −1.4% | +1.6% | −1.4% |
| 2023 | +2.3% | −2.2% | +1.9% | −0.1% | −0.8% | +0.3% | +0.2% | −1.1% | −2.5% | −1.1% | +5.3% | +2.2% |
| 2022 | −2.5% | −0.4% | −2.9% | −2.6% | +0.7% | −1.6% | +2.1% | −2.0% | −3.6% | −0.5% | +4.2% | −0.1% |
| 2021 | +0.3% | −1.7% | +0.9% | +1.0% | +0.4% | +0.3% | +0.7% | −0.4% | −0.8% | +0.1% | +0.8% | +0.1% |
| 2020 | +2.0% | +1.3% | −3.8% | −1.9% | +3.5% | +0.7% | +1.4% | −0.4% | 0.0% | −0.3% | +1.5% | +0.4% |
| 2019 | — | — | — | — | — | — | — | +1.7% | −0.7% | −0.2% | +0.1% | +0.3% |
SOISX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 5.06%
- 3-year Sharpe ratio: -0.29 (vs 4.5% risk-free rate)
- Best month: +5.30% (Nov 2023)
- Worst month: −2.47% (Sep 2023)
SOISX Fund Flows
Monthly money in and out of Western Asset Oregon Municipals Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.1M
- 12-month gross sales (incl. reinvestments): $7.7M
- Sales ÷ redemptions: 0.87×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $1.6M | $628K | $943K |
| Jun 2026 | $265K | $279K | −$14K |
| May 2026 | $770K | $314K | $456K |
| Apr 2026 | $375K | $593K | −$218K |
| Mar 2026 | $356K | $1.2M | −$862K |
| Feb 2026 | $805K | $817K | −$12K |
| Jan 2026 | $1.4M | $882K | $470K |
| Dec 2025 | $593K | $961K | −$368K |
| Nov 2025 | $426K | $279K | $147K |
| Oct 2025 | $530K | $799K | −$268K |
| Sep 2025 | $374K | $1.3M | −$878K |
| Aug 2025 | $252K | $794K | −$543K |
SOISX Assets Under Management
Net assets of Western Asset Oregon Municipals Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $40.66M |
| 2026-04-30 | $39.60M |
| 2026-01-30 | $40.83M |
| 2025-10-31 | $40.41M |
| 2025-07-31 | $40.50M |
| 2025-04-30 | $41.90M |
| 2025-01-31 | $43.48M |
| 2024-10-31 | $43.96M |
| 2024-07-31 | $46.25M |
| 2024-04-30 | $46.74M |
| 2024-01-31 | $45.67M |
| 2023-10-31 | $44.98M |
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.