Multi-Sector Bond Portfolio
Data updated: 2026-05-27
C000050283 — Multi-Sector Bond Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $1.36B AUM · 0.75% expense ratio · 7.0% 1-yr return. From SEC regulatory filings.
C000050283 Fund Overview
Multi-Sector Bond Portfolio is a US mutual fund managed by Northwestern Mutual Series 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: Northwestern Mutual Series Fund INC
- Category: Long Total / Aggregate Bond
- Assets under management: $1.36B
- 1-year return: 7.0%
- SEC CIK: 0000742212
- SEC series ID: S000018235
- Share class ID: C000050283
C000050283 Holdings
Top 10 holdings of Multi-Sector Bond Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Umbs, Tba | 5.90% |
| Deutsche Bank Securities, Inc. | 5.36% |
| Umbs, Tba | 2.13% |
| Umbs, Tba | 1.50% |
| Umbs, Tba | 1.45% |
| Umbs, Tba | 1.40% |
| United States Treasury | 1.32% |
| Cashmere Valley Bank | 1.28% |
| European Union | 1.09% |
| United States Treasury | 1.08% |
C000050283 Portfolio Allocation
Asset-class allocation of Multi-Sector Bond Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 61.9% |
| Securitized | 39.7% |
| Cash & Equivalents | 6.9% |
| Loans | 4.7% |
| Derivatives | 1.0% |
| Equity | 0.1% |
C000050283 Performance
Total returns for C000050283 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.9% |
| 1 year | 7.0% |
| 3 years (annualised) | 7.4% |
| 5 years (annualised) | 2.0% |
C000050283 Risk Information
Risk metrics for C000050283, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.7%
C000050283 Costs and Fees
C000050283 costs about $75 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.75%
- Gross expense ratio: 0.85%
- Portfolio turnover: 36%
- Brokerage commissions: 0.21 bps of average net assets (SEC N-CEN)
C000050283 Cashflows
Over the 12 months to 2026-03, Multi-Sector Bond Portfolio had net inflows of $32.01M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$2.83M |
| 2026-02 | −$1.46M |
| 2026-01 | −$4.29M |
| 2025-12 | −$5.81M |
| 2025-11 | −$2.42M |
| 2025-10 | −$114.89K |
C000050283 Debt Constituents
Largest debt holdings of Multi-Sector Bond Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 1.32% |
| European Union | 1.09% |
| United States Treasury | 1.08% |
| Argentina Republic Government International Bonds | 0.80% |
| Saudi International Bond | 0.73% |
| Saudi Government International Bonds | 0.56% |
| United States Treasury | 0.52% |
| Republic Of South Africa | 0.51% |
| Abu Dhabi Government International Bonds | 0.47% |
| Republic Of South Africa | 0.46% |
C000050283 Prospectus and SEC Filings
Official Multi-Sector Bond Portfolio 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.