MPLX LP is a security (CUSIP 55336VAP5) tracked across SEC portfolio filings. 5 registered fund positions totaling $8.5M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Federated Hermes Total Return Bond Fund | Federated Hermes Total Return Series, Inc. | $3.8M | 2.52% |
| Guggenheim Strategic Opportunities Fund | Guggenheim Strategic Opportunities Fund | $3.6M | 15.03% |
| Insight Select Income Fund | Insight Select Income Fund | $454K | 24.35% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $367K | 0.21% |
| Advantage CoreAlpha Bond Master Portfolio | Master Investment Portfolio II | $275K | 4.09% |