IOSSX Performance — Voya Global Bond Portfolio, Class S
Data updated: 2026-08-21
IOSSX returned −0.58% year to date and +0.09% over one year to Jun 2026. Annualised returns are +3.67% over 3 years and −2.06% over 5 years. The fund trailed its Intermediate Core Bond category average: $100 invested three years ago grew to $111, against $115 for the category, and to $100 over one year, against $104. Volatility over the past three years was 7.23% a year. In the 12 months to Jun 2026 the fund lost a net $20.0M, and assets reached $80.16M.
IOSSX Growth of $100
What $100 invested in Voya Global Bond Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | IOSSX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $100 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $111 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $90 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $92 | $112 |
IOSSX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −0.58% |
| 1 year | +0.09% |
| 3 years (annualised) | +3.67% |
| 5 years (annualised) | −2.06% |
IOSSX Annual Returns
Calendar-year total returns of Voya Global Bond Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | −0.58% |
| 2025 | +8.53% |
| 2024 | −1.25% |
| 2023 | +5.97% |
| 2022 | −18.49% |
| 2021 | −5.03% |
| 2020 | +4.86% |
| 2019 (Jul–Dec) | +0.01% |
IOSSX 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 | +0.7% | +1.3% | −3.4% | +1.3% | +0.2% | −0.6% | — | — | — | — | — | — |
| 2025 | +0.7% | +1.4% | +0.4% | +3.0% | −0.2% | +2.2% | −1.7% | +1.6% | +0.5% | −0.3% | +0.3% | +0.2% |
| 2024 | −1.5% | −0.9% | +0.7% | −2.6% | +1.5% | +0.2% | +3.0% | +2.3% | +1.7% | −3.3% | +0.4% | −2.5% |
| 2023 | +3.5% | −3.4% | +2.7% | +0.8% | −2.3% | +0.2% | +0.8% | −1.4% | −3.4% | −1.6% | +5.6% | +4.7% |
| 2022 | −2.2% | −2.1% | −2.9% | −6.0% | −0.1% | −4.5% | +2.6% | −3.5% | −5.5% | −0.9% | +5.6% | 0.0% |
| 2021 | −0.7% | −1.7% | −2.1% | +1.5% | +1.0% | −1.0% | +0.9% | −0.3% | −1.6% | −0.5% | −0.5% | −0.1% |
| 2020 | 0.0% | 0.0% | −0.1% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | +2.8% | +2.0% |
| 2019 | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
IOSSX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 7.23%
- 3-year Sharpe ratio: -0.11 (vs 4.5% risk-free rate)
- Best month: +5.60% (Nov 2023)
- Worst month: −3.44% (Mar 2026)
IOSSX Fund Flows
Monthly money in and out of Voya Global Bond Portfolio, from SEC Form N-PORT.
- 12-month net flow: −$20.0M
- 12-month gross sales (incl. reinvestments): $13.4M
- Sales ÷ redemptions: 0.40×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $771K | $903K | −$131K |
| May 2026 | $686K | $1.0M | −$315K |
| Apr 2026 | $895K | $1.6M | −$740K |
| Mar 2026 | $1.5M | $20.9M | −$19.5M |
| Feb 2026 | $757K | $923K | −$166K |
| Jan 2026 | $1.2M | $896K | $321K |
| Dec 2025 | $1.2M | $1.2M | −$34K |
| Nov 2025 | $1.2M | $958K | $277K |
| Oct 2025 | $2.0M | $829K | $1.1M |
| Sep 2025 | $1.2M | $1.5M | −$252K |
| Aug 2025 | $1.1M | $973K | $129K |
| Jul 2025 | $917K | $1.7M | −$758K |
IOSSX Assets Under Management
Net assets of Voya Global Bond Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $80.16M |
| 2026-03-31 | $81.43M |
| 2025-12-31 | $103.42M |
| 2025-09-30 | $102.73M |
| 2025-06-30 | $104.20M |
| 2025-03-31 | $102.37M |
| 2024-12-31 | $100.96M |
| 2024-09-30 | $108.18M |
| 2024-06-30 | $106.21M |
| 2024-03-31 | $107.59M |
| 2023-12-31 | $114.94M |
| 2023-09-30 | $108.13M |
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.