CMBOX Performance — American Funds Multi-Sector Income Fund, Class 529-F-1
Data updated: 2026-08-27
CMBOX returned +1.61% year to date and +7.49% over one year to May 2026. Annualised returns are +8.09% over 3 years and +3.19% over 5 years. The fund beat its Intermediate Core Bond category average: $100 invested three years ago grew to $126, against $115 for the category, and to $107 over one year, against $105. Volatility over the past three years was 4.89% a year. In the 12 months to Jun 2026 the fund took in a net $4.5B, and assets reached $22.43B.
CMBOX Growth of $100
What $100 invested in American Funds Multi-Sector 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.
| Period | CMBOX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $107 | $105 |
| 3 years (Jun 2023 – May 2026) | $126 | $115 |
| 5 years (Jun 2021 – May 2026) | $117 | $103 |
| Since data start (Apr 2020 – May 2026) | $135 | $110 |
CMBOX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.61% |
| 1 year | +7.49% |
| 3 years (annualised) | +8.09% |
| 5 years (annualised) | +3.19% |
CMBOX Annual Returns
Calendar-year total returns of American Funds Multi-Sector Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.61% |
| 2025 | +7.98% |
| 2024 | +6.80% |
| 2023 | +10.82% |
| 2022 | −11.89% |
| 2021 | +2.57% |
| 2020 (Apr–Dec) | +15.44% |
CMBOX 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 | +0.4% | +0.7% | −1.6% | +1.4% | +0.7% | — | — | — | — | — | — | — |
| 2025 | +1.1% | +1.1% | −0.6% | −0.3% | +0.9% | +2.0% | +0.4% | +1.3% | +0.8% | +0.2% | +0.6% | +0.3% |
| 2024 | +0.4% | −0.3% | +1.5% | −1.3% | +1.6% | +0.6% | +2.1% | +1.4% | +1.6% | −1.3% | +1.1% | −0.8% |
| 2023 | +3.4% | −2.3% | +1.9% | +0.6% | −0.8% | +1.1% | +1.2% | −0.4% | −1.8% | −1.4% | +5.2% | +3.9% |
| 2022 | −2.1% | −1.9% | −1.1% | −3.6% | −0.3% | −4.5% | +3.5% | −1.9% | −4.3% | +0.7% | +3.7% | −0.3% |
| 2021 | −0.3% | −0.6% | −0.3% | +1.1% | +0.5% | +1.1% | +0.4% | +0.7% | −0.4% | +0.1% | −0.9% | +1.3% |
| 2020 | — | — | — | 0.0% | +4.2% | +1.3% | +4.1% | +0.7% | −0.7% | +0.2% | +3.3% | +1.6% |
CMBOX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 4.89%
- 3-year Sharpe ratio: 0.73 (vs 4.5% risk-free rate)
- Best month: +5.21% (Nov 2023)
- Worst month: −1.81% (Sep 2023)
CMBOX Fund Flows
Monthly money in and out of American Funds Multi-Sector Income Fund, from SEC Form N-PORT.
- 12-month net flow: $4.5B
- 12-month gross sales (incl. reinvestments): $6.8B
- Sales ÷ redemptions: 2.91×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $629.7M | $200.7M | $429.0M |
| May 2026 | $439.8M | $144.8M | $295.0M |
| Apr 2026 | $661.0M | $352.6M | $308.4M |
| Mar 2026 | $403.6M | $350.5M | $53.1M |
| Feb 2026 | $506.6M | $169.5M | $337.2M |
| Jan 2026 | $837.3M | $190.4M | $646.9M |
| Dec 2025 | $543.7M | $165.7M | $378.0M |
| Nov 2025 | $467.2M | $165.2M | $302.0M |
| Oct 2025 | $566.3M | $144.6M | $421.7M |
| Sep 2025 | $626.7M | $125.6M | $501.1M |
| Aug 2025 | $690.4M | $184.0M | $506.4M |
| Jul 2025 | $440.2M | $151.1M | $289.2M |
CMBOX Assets Under Management
Net assets of American Funds Multi-Sector Income Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $22.43B |
| 2026-03-31 | $21.30B |
| 2025-12-31 | $20.69B |
| 2025-09-30 | $19.65B |
| 2025-06-30 | $18.22B |
| 2025-03-31 | $17.45B |
| 2024-12-31 | $16.87B |
| 2024-09-30 | $16.27B |
| 2024-06-30 | $14.83B |
| 2024-03-31 | $14.19B |
| 2023-12-31 | $13.21B |
| 2023-09-30 | $11.98B |
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.