# Senior Debt Portfolio

Senior Debt Portfolio (CIK 933188) is an SEC-registered fund company with 1 reporting fund series and $4.6B in net assets as of 2026-04-30.

## Registrant

- CIK: 933188
- File number: 811-08876
- LEI: 5493009DZ4DLQ0NAB757
- Address: One Post Office Square, BOSTON, US-MA, 02109
- Phone: 617-482-8260
- Net assets: $4.6B
- Total assets: $6.3B
- Fund series: 1
- Latest report: 2026-04-30

## Fund series (1)

| Series | Net assets |
| --- | --- |
| [Senior Debt Portfolio](https://search.stillhousedata.com/fund/S000022423) | $4.6B |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [Morgan Stanley & Co. LLC](https://search.stillhousedata.com/security/61747C707) | $152.8M |
| TK Elevator Midco GmbH | $60.6M |
| [EOC Borrower LLC](https://search.stillhousedata.com/security/26875YAB8) | $47.2M |
| Peer Holding III BV | $46.5M |
| [GUGGENHEIM PARTNERS LLC](https://search.stillhousedata.com/security/36173YAB6) | $45.5M |
| [Eaton Vance Floating-Rate ETF](https://search.stillhousedata.com/security/61774R833) | $37.5M |
| [Sedgwick Claims Management Services Inc](https://search.stillhousedata.com/security/81527CAP2) | $37.5M |
| [TransDigm Inc](https://search.stillhousedata.com/security/89364MCF9) | $36.9M |
| [Alliant Holdings Intermediate, LLC](https://search.stillhousedata.com/security/01881UAN5) | $36.0M |
| [AI AQUA MERGER SUB INC](https://search.stillhousedata.com/security/00132UAQ7) | $35.3M |
| [HUB International Limited](https://search.stillhousedata.com/security/44332EAZ9) | $35.2M |
| [FREEPORT LNG INVESTMENTS LLLP](https://search.stillhousedata.com/security/35670CAE8) | $35.1M |
| [Grant Thornton Advisors LLC](https://search.stillhousedata.com/security/38821UAD2) | $34.8M |
| [NATIONAL MENTOR HOLDINGS INC](https://search.stillhousedata.com/security/63689EAX3) | $34.7M |
| [Broadstreet Partners Inc](https://search.stillhousedata.com/security/11132VAY5) | $33.8M |

## More

- [CIK 933188 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=933188&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/933188.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.