# Marathon Petroleum Corp. MPC 5.15 03/01/30

Marathon Petroleum Corp. MPC 5.15 03/01/30 is a security (CUSIP 56585ABK7) tracked across SEC portfolio filings. 9 registered fund positions totaling $37.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Marathon Petroleum Corp.
- Class: MPC 5.15 03/01/30
- CUSIP: 56585ABK7
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 9
- N-PORT value: $37.7M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [PGIM Short-Term Corporate Bond Fund](https://search.stillhousedata.com/fund/S000004769) | Prudential Short-Term Corporate Bond Fund, Inc. | $15.7M | 19.19% |
| [MFS Limited Maturity Fund](https://search.stillhousedata.com/fund/S000002495) | MFS Series Trust IX | $11.3M | 33.82% |
| [PGIM Short Duration Multi-Sector Bond Fund](https://search.stillhousedata.com/fund/S000043499) | Prudential Investment Portfolios, Inc. 17 | $7.5M | 9.65% |
| [T. Rowe Price QM U.S. Bond Index Fund](https://search.stillhousedata.com/fund/S000002166) | T. ROWE PRICE QM U.S. BOND INDEX FUND, INC. | $2.0M | 8.39% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $526K | 0.09% |
| [VALUE LINE CAPITAL APPRECIATION FUND INC](https://search.stillhousedata.com/fund/S000007571) | VALUE LINE CAPITAL APPRECIATION FUND INC | $510K | 11.05% |
| [BlackRock Balanced Fund, Inc.](https://search.stillhousedata.com/fund/S000002175) | BlackRock Balanced Fund, Inc. | $78K | 0.43% |
| [Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000008437) | MORGAN STANLEY PATHWAY FUNDS | $25K | 0.14% |
| [BlackRock Balanced Portfolio](https://search.stillhousedata.com/fund/S000003863) | BlackRock Series Fund, Inc. | $20K | 0.44% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/56585ABK7.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.