# NORTHWEST PIPELINE LLC Northwest Pipeline LLC

NORTHWEST PIPELINE LLC Northwest Pipeline LLC is a security (CUSIP 66775VAB1) tracked across SEC portfolio filings. 2 registered fund positions totaling $19.9M via N-PORT as of 2026-03-31.

## Summary

- Issuer: NORTHWEST PIPELINE LLC
- Class: Northwest Pipeline LLC
- CUSIP: 66775VAB1
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $19.9M
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Master Total Return Portfolio](https://search.stillhousedata.com/fund/S000004067) | Master Bond LLC | $18.4M | 9.75% |
| Brookfield Infrastructure Income Fund Inc. | Brookfield Infrastructure Income Fund Inc. | $1.5M | 2.83% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/66775VAB1.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.