MUOSX Performance — US Core Portfolio, Class R6
Data updated: 2026-08-21
MUOSX returned +2.98% year to date and +12.69% over one year to Jun 2026. Annualised returns are +18.80% over 3 years and +11.11% over 5 years. Against its US Large Blend category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $168, against $157 for the category, and to $113 over one year, against $118. Volatility over the past three years was 14.48% a year. In the 12 months to Jun 2026 the fund lost a net $21.9M, and assets reached $417.57M.
MUOSX Growth of $100
What $100 invested in US Core Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Large Blend category average over the same months.
| Period | MUOSX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $113 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $168 | $157 |
| 5 years (Jul 2021 – Jun 2026) | $169 | $161 |
| Since data start (Jul 2019 – Jun 2026) | $277 | $229 |
MUOSX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +2.98% |
| 1 year | +12.69% |
| 3 years (annualised) | +18.80% |
| 5 years (annualised) | +11.11% |
MUOSX Annual Returns
Calendar-year total returns of US Core Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +2.98% |
| 2025 | +16.56% |
| 2024 | +28.66% |
| 2023 | +18.04% |
| 2022 | −20.16% |
| 2021 | +36.07% |
| 2020 | +24.30% |
| 2019 (Jul–Dec) | +12.57% |
MUOSX 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% | −3.3% | −5.2% | +10.7% | +4.3% | −2.0% | — | — | — | — | — | — |
| 2025 | +3.1% | −0.6% | −6.6% | +0.1% | +7.3% | +3.6% | +2.2% | +2.7% | +2.8% | +1.9% | −0.3% | −0.1% |
| 2024 | +4.0% | +6.8% | +3.6% | −4.0% | +6.8% | +4.0% | −1.0% | +2.6% | +0.8% | +0.3% | +6.2% | −3.9% |
| 2023 | +7.3% | −3.0% | −2.9% | +1.4% | −1.4% | +7.6% | +2.0% | −0.8% | −5.1% | −2.2% | +10.0% | +5.1% |
| 2022 | −7.2% | −1.7% | +2.9% | −8.7% | −0.9% | −7.6% | +10.9% | −4.3% | −8.5% | +4.8% | +5.6% | −5.3% |
| 2021 | −1.1% | +6.1% | +1.9% | +7.4% | +0.3% | +1.4% | +4.3% | +3.6% | −3.6% | +8.5% | −1.0% | +4.0% |
| 2020 | +1.9% | −8.9% | −16.2% | +14.2% | +7.6% | +2.7% | +5.9% | +9.0% | −3.7% | −2.4% | +11.8% | +4.3% |
| 2019 | — | — | — | — | — | — | +2.4% | −1.3% | +2.3% | +2.3% | +4.2% | +2.2% |
MUOSX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 14.48%
- 3-year Sharpe ratio: 0.99 (vs 4.5% risk-free rate)
- Best month: +10.66% (Apr 2026)
- Worst month: −6.59% (Mar 2025)
MUOSX Fund Flows
Monthly money in and out of US Core Portfolio, from SEC Form N-PORT.
- 12-month net flow: −$21.9M
- 12-month gross sales (incl. reinvestments): $98.3M
- Sales ÷ redemptions: 0.82×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $5.7M | $10.2M | −$4.5M |
| May 2026 | $4.2M | $10.0M | −$5.8M |
| Apr 2026 | $5.9M | $9.1M | −$3.1M |
| Mar 2026 | $9.4M | $12.4M | −$3.0M |
| Feb 2026 | $8.0M | $21.4M | −$13.4M |
| Jan 2026 | $11.5M | $6.4M | $5.0M |
| Dec 2025 | $11.3M | $9.7M | $1.6M |
| Nov 2025 | $6.5M | $9.5M | −$3.0M |
| Oct 2025 | $7.6M | $13.2M | −$5.6M |
| Sep 2025 | $11.0M | $5.6M | $5.5M |
| Aug 2025 | $8.5M | $5.6M | $2.9M |
| Jul 2025 | $8.6M | $7.2M | $1.4M |
MUOSX Assets Under Management
Net assets of US Core Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $417.57M |
| 2026-03-31 | $381.48M |
| 2025-12-31 | $431.24M |
| 2025-09-30 | $432.34M |
| 2025-06-30 | $391.64M |
| 2025-03-31 | $342.70M |
| 2024-12-31 | $385.16M |
| 2024-09-30 | $349.04M |
| 2024-06-30 | $312.70M |
| 2024-03-31 | $267.87M |
| 2023-12-31 | $222.46M |
| 2023-09-30 | $202.63M |
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.