Short-Term Bond Portfolio
Data updated: 2026-05-27
C000050281 — Short-Term Bond Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Total / Aggregate Bond · $400.40M AUM · 0.40% expense ratio · 4.3% 1-yr return. From SEC regulatory filings.
C000050281 Fund Overview
Short-Term Bond Portfolio is a US mutual fund managed by Northwestern Mutual Series Fund INC, categorised as Intermediate 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: Intermediate Total / Aggregate Bond
- Assets under management: $400.40M
- 1-year return: 4.3%
- SEC CIK: 0000742212
- SEC series ID: S000018233
- Share class ID: C000050281
C000050281 Holdings
Top 10 holdings of Short-Term Bond Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 10.67% |
| United States Treasury | 3.96% |
| United States Treasury | 3.51% |
| United States Treasury | 1.42% |
| Salesforce, Inc. | 0.55% |
| Freddie Mac | 0.52% |
| Medline Borrower LP | 0.51% |
| Fannie Mae | 0.50% |
| Heineken NV | 0.49% |
| Fannie Mae | 0.40% |
C000050281 Portfolio Allocation
Asset-class allocation of Short-Term Bond Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 64.7% |
| Securitized | 33.3% |
| Cash & Equivalents | 2.1% |
C000050281 Performance
Total returns for C000050281 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.3% |
| 1 year | 4.3% |
| 3 years (annualised) | 4.9% |
| 5 years (annualised) | 2.2% |
C000050281 Risk Information
Risk metrics for C000050281, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.3%
C000050281 Costs and Fees
C000050281 costs about $40 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.40%
- Gross expense ratio: 0.40%
- Portfolio turnover: 113%
- Brokerage commissions: 0.21 bps of average net assets (SEC N-CEN)
C000050281 Cashflows
Over the 12 months to 2026-03, Short-Term Bond Portfolio had net inflows of $4.74M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$1.06M |
| 2026-02 | −$979.62K |
| 2026-01 | −$960.22K |
| 2025-12 | −$1.87M |
| 2025-11 | $3.13M |
| 2025-10 | $3.39M |
C000050281 Debt Constituents
Largest debt holdings of Short-Term Bond Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 10.67% |
| United States Treasury | 3.96% |
| United States Treasury | 3.51% |
| United States Treasury | 1.42% |
| Salesforce, Inc. | 0.55% |
| Medline Borrower LP | 0.51% |
| Heineken NV | 0.49% |
| Wells Fargo & Company | 0.39% |
| Ing Groep NV | 0.36% |
| Mplx LP | 0.33% |
C000050281 Prospectus and SEC Filings
Official Short-Term Bond Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate 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.