SIYYX Performance — SIMT High Yield Bond Fund, Class Y
Data updated: 2026-05-29
SIYYX returned −0.86% year to date and +6.08% over one year to Mar 2026. Annualised returns are +8.64% over 3 years and +4.52% over 5 years. The fund beat its High Yield Bond category average: $100 invested three years ago grew to $128, against $124 for the category, and to $106 over one year, against $106. Volatility over the past three years was 4.00% a year. In the 12 months to Mar 2026 the fund took in a net $7.9M, and assets reached $1.08B.
SIYYX Growth of $100
What $100 invested in SIMT High Yield Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the High Yield Bond category average over the same months.
| Period | SIYYX | Category average |
|---|---|---|
| 1 year (Apr 2025 – Mar 2026) | $106 | $106 |
| 3 years (Apr 2023 – Mar 2026) | $128 | $124 |
| 5 years (Apr 2021 – Mar 2026) | $125 | $119 |
| Since data start (Jul 2019 – Mar 2026) | $141 | $130 |
SIYYX Trailing Returns
Total returns to Mar 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −0.86% |
| 1 year | +6.08% |
| 3 years (annualised) | +8.64% |
| 5 years (annualised) | +4.52% |
SIYYX Annual Returns
Calendar-year total returns of SIMT High Yield Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Mar) | −0.86% |
| 2025 | +7.81% |
| 2024 | +9.48% |
| 2023 | +13.04% |
| 2022 | −11.41% |
| 2021 | +10.15% |
| 2020 | +5.41% |
| 2019 (Jul–Dec) | +3.64% |
SIYYX 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 | −1.5% | −0.2% | +0.9% | — | — | — | — | — | — | — | — | — |
| 2025 | −1.4% | +0.6% | +1.5% | +1.8% | +1.4% | −0.1% | +0.6% | +1.0% | +1.1% | +0.7% | 0.0% | +0.3% |
| 2024 | +1.0% | +0.2% | +0.9% | +0.9% | +1.0% | −0.7% | +1.7% | +1.1% | +2.1% | −0.2% | +0.9% | +0.2% |
| 2023 | −0.2% | −1.1% | +4.4% | +1.4% | −0.9% | +1.3% | −0.8% | +0.7% | +2.0% | +3.3% | +3.5% | −1.4% |
| 2022 | −0.9% | −0.9% | −1.6% | −6.2% | −1.0% | −2.7% | −3.8% | −1.7% | +4.7% | −1.0% | +1.5% | +1.9% |
| 2021 | +0.7% | +1.1% | +1.7% | +1.3% | +0.6% | +1.8% | +0.7% | +0.5% | +0.3% | +1.8% | −1.1% | +0.4% |
| 2020 | −14.4% | −1.7% | +0.3% | +1.9% | +4.8% | +2.1% | −0.3% | +1.5% | +4.4% | +3.0% | +4.5% | +0.7% |
| 2019 | — | — | — | — | — | — | +0.3% | +0.1% | +0.5% | +2.5% | −0.1% | +0.3% |
SIYYX Risk
Risk measures from monthly returns over Apr 2023 – Mar 2026.
- 3-year volatility (annualised): 4.00%
- 3-year Sharpe ratio: 1.03 (vs 4.5% risk-free rate)
- Best month: +3.55% (Nov 2023)
- Worst month: −1.53% (Jan 2026)
SIYYX Fund Flows
Monthly money in and out of SIMT High Yield Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $7.9M
- 12-month gross sales (incl. reinvestments): $324.5M
- Sales ÷ redemptions: 1.02×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Mar 2026 | $60.1M | $15.6M | $44.5M |
| Feb 2026 | $24.9M | $13.6M | $11.3M |
| Jan 2026 | $19.2M | $66.5M | −$47.3M |
| Dec 2025 | $20.2M | $19.7M | $527K |
| Nov 2025 | $18.7M | $63.7M | −$45.0M |
| Oct 2025 | $34.7M | $16.7M | $18.0M |
| Sep 2025 | $25.4M | $23.4M | $2.0M |
| Aug 2025 | $22.8M | $17.8M | $5.0M |
| Jul 2025 | −$1.1M | $15.3M | −$16.4M |
| Jun 2025 | $21.7M | $30.8M | −$9.1M |
| May 2025 | $61.6M | $17.0M | $44.5M |
| Apr 2025 | $16.3M | $16.5M | −$205K |
SIYYX Assets Under Management
Net assets of SIMT High Yield Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-03-31 | $1.08B |
| 2025-12-31 | $1.10B |
| 2025-09-30 | $1.14B |
| 2025-06-30 | $1.13B |
| 2025-03-31 | $1.08B |
| 2024-12-31 | $1.10B |
| 2024-09-30 | $1.16B |
| 2024-06-30 | $1.13B |
| 2024-03-31 | $1.20B |
| 2023-12-31 | $1.31B |
| 2023-09-30 | $1.22B |
| 2023-06-30 | $1.27B |
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.