Senior Debt Portfolio (MA)
Data updated: 2026-06-24
C000064522 — Senior Debt Portfolio (MA) data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Bank Loans / Floating Rate Bond · $4.65B AUM · 5.0% 1-yr return. From SEC regulatory filings.
C000064522 Fund Overview
Senior Debt Portfolio (MA) is a US mutual fund managed by Senior Debt Portfolio, categorised as Intermediate Bank Loans / Floating Rate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Senior Debt Portfolio
- Category: Intermediate Bank Loans / Floating Rate Bond
- Assets under management: $4.65B
- 1-year return: 5.0%
- SEC CIK: 0000933188
- SEC series ID: S000022423
- Share class ID: C000064522
C000064522 Holdings
Top 10 holdings of Senior Debt Portfolio (MA) by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Morgan Stanley & Co. LLC | 3.29% |
| EOC Borrower LLC | 1.02% |
| TK Elevator Midco GmbH | 1.01% |
| Guggenheim Partners LLC | 0.98% |
| Eaton Vance Floating-Rate ETF | 0.81% |
| Sedgwick Claims Management Services Inc | 0.81% |
| TransDigm Inc | 0.79% |
| Alliant Holdings Intermediate, LLC | 0.78% |
| Ai Aqua Merger Sub, Inc. | 0.76% |
| HUB International Limited | 0.76% |
C000064522 Portfolio Allocation
Asset-class allocation of Senior Debt Portfolio (MA) by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Loans | 114.0% |
| Fixed Income | 6.5% |
| Securitized | 3.7% |
| Cash & Equivalents | 3.3% |
| Equity | 2.7% |
| Derivatives | 0.1% |
C000064522 Performance
Total returns for C000064522 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.1% |
| 1 year | 5.0% |
| 3 years (annualised) | 7.6% |
| 5 years (annualised) | 5.5% |
C000064522 Risk Information
Risk metrics for C000064522, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.6%
C000064522 Costs and Fees
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
C000064522 Cashflows
Over the 12 months to 2026-04, Senior Debt Portfolio (MA) had net outflows of $1.29B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$144.32M |
| 2026-03 | −$159.35M |
| 2026-02 | −$156.03M |
| 2026-01 | −$95.60M |
| 2025-12 | −$221.28M |
| 2025-11 | −$122.02M |
C000064522 Debt Constituents
Largest debt holdings of Senior Debt Portfolio (MA) by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Tenet Healthcare Corp. | 0.47% |
| Allied Universal Holdco | 0.40% |
| Altice France SA | 0.38% |
| Transdigm, Inc. | 0.33% |
| Altice France SA | 0.33% |
| Carnival Corp. | 0.29% |
| Diebold Nixdorf, Inc. | 0.27% |
| Madison Iaq LLC | 0.26% |
| Asurion Llc/asurion Co. | 0.24% |
| Focus Financial Partners | 0.23% |
C000064522 Prospectus and SEC Filings
Official Senior Debt Portfolio (MA) filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Bank Loans / Floating Rate 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.