# AEP TRANSMISSION CO LLC AEP Transmission Co LLC

AEP TRANSMISSION CO LLC AEP Transmission Co LLC is a security (CUSIP 00115AAP4) tracked across SEC portfolio filings. 4 registered fund positions totaling $4.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: AEP TRANSMISSION CO LLC
- Class: AEP Transmission Co LLC
- CUSIP: 00115AAP4
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 4
- N-PORT value: $4.6M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Master Total Return Portfolio](https://search.stillhousedata.com/fund/S000004067) | Master Bond LLC | $4.1M | 2.16% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $410K | 0.07% |
| [Advantage CoreAlpha Bond Master Portfolio](https://search.stillhousedata.com/fund/S000062381) | Master Investment Portfolio II | $107K | 1.59% |
| [Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000008437) | MORGAN STANLEY PATHWAY FUNDS | $33K | 0.18% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00115AAP4.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.