MCBWX — Core Bond Series
Data updated: 2026-05-28
MCBWX — Core Bond Series data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $614.87M AUM · 0.05% expense ratio · 4.6% 1-yr return. From SEC regulatory filings.
MCBWX Fund Overview
MCBWX — Core Bond Series is a US mutual fund managed by Manning & Napier Fund, Inc., categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Manning & Napier Fund, Inc.
- Category: Long Total / Aggregate Bond
- Assets under management: $614.87M
- 1-year return: 4.6%
- Ticker: MCBWX
- SEC CIK: 0000751173
- SEC series ID: S000003631
- Share class ID: C000206446
MCBWX Holdings
Top 10 holdings of Core Bond Series by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Bonds | 6.24% |
| United States Treasury Bonds | 6.05% |
| United States Treasury Bonds | 5.93% |
| United States Treasury Notes | 3.18% |
| United States Treasury Notes | 3.07% |
| United States Treasury Notes | 3.02% |
| United States Treasury Notes | 2.92% |
| United States Treasury Notes | 2.89% |
| United States Treasury Notes | 2.00% |
| Dreyfus Government Cash Management Funds | 1.76% |
MCBWX Portfolio Allocation
Asset-class allocation of Core Bond Series by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 61.1% |
| Securitized | 36.1% |
| Cash & Equivalents | 1.8% |
MCBWX Performance
Total returns for MCBWX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.2% |
| 1 year | 4.6% |
| 3 years (annualised) | 4.0% |
| 5 years (annualised) | 0.7% |
MCBWX Risk Information
Risk metrics for MCBWX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.7%
MCBWX Costs and Fees
MCBWX costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.34%
- Portfolio turnover: 38%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MCBWX Cashflows
Over the 12 months to 2026-03, Core Bond Series had net outflows of $56.71M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$4.46M |
| 2026-02 | −$8.96M |
| 2026-01 | $318.80K |
| 2025-12 | −$4.42M |
| 2025-11 | −$5.13M |
| 2025-10 | −$13.91M |
MCBWX Debt Constituents
Largest debt holdings of Core Bond Series by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bonds | 6.24% |
| United States Treasury Bonds | 6.05% |
| United States Treasury Bonds | 5.93% |
| United States Treasury Notes | 3.18% |
| United States Treasury Notes | 3.07% |
| United States Treasury Notes | 3.02% |
| United States Treasury Notes | 2.92% |
| United States Treasury Notes | 2.89% |
| United States Treasury Notes | 2.00% |
| Palomino Funding Trust I | 1.15% |
MCBWX Prospectus and SEC Filings
Official Core Bond Series filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.