MPLX LP is a security (CUSIP 55336VAS9) tracked across SEC portfolio filings. 6 registered fund positions totaling $7.6M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| DoubleLine Low Duration Bond Fund | DoubleLine Funds Trust | $5.6M | 8.76% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $578K | 0.32% |
| BlackRock Core Bond Trust | BlackRock Core Bond Trust | $504K | 7.21% |
| VANGUARD CORE BOND ETF | VANGUARD MALVERN FUNDS | $494K | 0.77% |
| Madison Aggregate Bond ETF | Madison ETFs Trust | $353K | 50.73% |
| Invesco Bond Fund | Invesco Bond Fund | $1K | 0.05% |