# Senior Debt Portfolio

Senior Debt Portfolio is a registered fund series of Senior Debt Portfolio (series S000022423). Net assets $4.6B as of 2026-04-30.

## Profile

- Series ID: S000022423
- Registrant: Senior Debt Portfolio
- LEI: 5493009DZ4DLQ0NAB757
- Net assets: $4.6B
- Total assets: $6.3B
- As of: 2026-04-30

## Advisers

- [Boston Management and Research (Advisor)](https://search.stillhousedata.com/firm/104853)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Morgan Stanley & Co. LLC](https://search.stillhousedata.com/security/61747C707) | — | $152.8M | 328.91% |
| [EOC Borrower LLC](https://search.stillhousedata.com/security/26875YAB8) | — | $47.2M | 101.62% |
| TK Elevator Midco GmbH | — | $47.1M | 101.26% |
| [GUGGENHEIM PARTNERS LLC](https://search.stillhousedata.com/security/36173YAB6) | — | $45.5M | 97.91% |
| [Eaton Vance Floating-Rate ETF](https://search.stillhousedata.com/security/61774R833) | — | $37.5M | 80.75% |
| [Sedgwick Claims Management Services Inc](https://search.stillhousedata.com/security/81527CAP2) | — | $37.5M | 80.71% |
| [TransDigm Inc](https://search.stillhousedata.com/security/89364MCF9) | — | $36.9M | 79.40% |
| [Alliant Holdings Intermediate, LLC](https://search.stillhousedata.com/security/01881UAN5) | — | $36.0M | 77.56% |
| [AI AQUA MERGER SUB INC](https://search.stillhousedata.com/security/00132UAQ7) | — | $35.3M | 75.88% |
| [HUB International Limited](https://search.stillhousedata.com/security/44332EAZ9) | — | $35.2M | 75.75% |
| [FREEPORT LNG INVESTMENTS LLLP](https://search.stillhousedata.com/security/35670CAE8) | — | $35.1M | 75.60% |
| [Grant Thornton Advisors LLC](https://search.stillhousedata.com/security/38821UAD2) | — | $34.8M | 74.83% |
| [NATIONAL MENTOR HOLDINGS INC](https://search.stillhousedata.com/security/63689EAX3) | — | $34.7M | 74.68% |
| [Broadstreet Partners Inc](https://search.stillhousedata.com/security/11132VAY5) | — | $33.8M | 72.70% |
| [TKO Worldwide Holdings LLC](https://search.stillhousedata.com/security/90266UAL7) | — | $32.6M | 70.09% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $4.6B |
| 2026-01-31 | $5.1B |
| 2025-10-31 | $5.5B |
| 2025-07-31 | $5.9B |
| 2025-04-30 | $5.7B |
| 2025-01-31 | $6.2B |
| 2024-10-31 | $5.9B |
| 2024-07-31 | $6.2B |

## More

- [Registrant: Senior Debt Portfolio](https://search.stillhousedata.com/registrant/933188)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000022423.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.