MCBZX Performance — Core Bond Series, Class Z
Data updated: 2026-08-21
MCBZX returned +0.76% year to date and +3.71% over one year to Jun 2026. Annualised returns are +4.30% over 3 years and +0.15% over 5 years. The fund trailed its Intermediate Core Bond category average: $100 invested three years ago grew to $113, against $115 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.46% a year. In the 12 months to Jun 2026 the fund lost a net $9.0M, and assets reached $655.95M.
MCBZX Growth of $100
What $100 invested in Core Bond Series grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | MCBZX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $113 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $101 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $111 | $112 |
MCBZX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.76% |
| 1 year | +3.71% |
| 3 years (annualised) | +4.30% |
| 5 years (annualised) | +0.15% |
MCBZX Annual Returns
Calendar-year total returns of Core Bond Series, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.76% |
| 2025 | +7.17% |
| 2024 | +1.52% |
| 2023 | +5.84% |
| 2022 | −12.85% |
| 2021 | −1.54% |
| 2020 | +9.03% |
| 2019 (Jul–Dec) | +2.29% |
MCBZX 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 | +0.1% | +1.8% | −1.9% | +0.2% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | +0.5% | +2.4% | 0.0% | +0.4% | −0.7% | +1.6% | −0.3% | +1.2% | +1.0% | +0.6% | +0.7% | −0.3% |
| 2024 | −0.1% | −1.3% | +1.1% | −2.6% | +1.6% | +1.3% | +1.8% | +1.7% | +1.2% | −2.4% | +1.2% | −1.8% |
| 2023 | +2.9% | −2.3% | +2.5% | +0.6% | −1.0% | −0.5% | −0.1% | −0.5% | −2.4% | −1.4% | +4.2% | +3.9% |
| 2022 | −1.8% | −1.2% | −2.8% | −3.4% | +0.1% | −1.4% | +2.0% | −2.5% | −4.2% | −1.9% | +3.5% | +0.2% |
| 2021 | −0.6% | −1.8% | −1.1% | +1.0% | +0.4% | +0.9% | +1.1% | −0.2% | −0.9% | −0.3% | +0.2% | −0.2% |
| 2020 | +2.0% | +1.8% | −1.8% | +2.4% | +0.7% | +1.1% | +1.8% | −0.5% | 0.0% | −0.4% | +1.3% | +0.5% |
| 2019 | — | — | — | — | — | — | +0.2% | +2.6% | −0.6% | +0.2% | 0.0% | −0.1% |
MCBZX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 5.46%
- 3-year Sharpe ratio: -0.04 (vs 4.5% risk-free rate)
- Best month: +4.15% (Nov 2023)
- Worst month: −2.58% (Apr 2024)
MCBZX Fund Flows
Monthly money in and out of Core Bond Series, from SEC Form N-PORT.
- 12-month net flow: −$9.0M
- 12-month gross sales (incl. reinvestments): $162.2M
- Sales ÷ redemptions: 0.95×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $68.1M | $22.8M | $45.4M |
| May 2026 | $12.2M | $11.8M | $370K |
| Apr 2026 | $7.1M | $8.9M | −$1.9M |
| Mar 2026 | $10.6M | $15.1M | −$4.5M |
| Feb 2026 | $13.4M | $22.3M | −$9.0M |
| Jan 2026 | $6.7M | $6.3M | $319K |
| Dec 2025 | $14.2M | $18.6M | −$4.4M |
| Nov 2025 | $9.0M | $14.1M | −$5.1M |
| Oct 2025 | $4.8M | $18.7M | −$13.9M |
| Sep 2025 | $6.1M | $9.2M | −$3.1M |
| Aug 2025 | $4.8M | $20.5M | −$15.7M |
| Jul 2025 | $5.3M | $2.8M | $2.6M |
MCBZX Assets Under Management
Net assets of Core Bond Series by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $655.95M |
| 2026-03-31 | $614.87M |
| 2025-12-31 | $633.56M |
| 2025-09-30 | $658.87M |
| 2025-06-30 | $669.46M |
| 2025-03-31 | $672.67M |
| 2024-12-31 | $661.96M |
| 2024-09-30 | $720.63M |
| 2024-06-28 | $696.78M |
| 2024-03-28 | $319.24M |
| 2023-12-29 | $325.91M |
| 2023-09-29 | $307.10M |
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.