MPLX LP vs iShares Broad USD Investment Grade Corporate Bond — how do they compare? MPLX LP trades at $56.64 (market cap $57.97B), while iShares Broad USD Investment Grade Corporate Bond trades at $50.51. The key difference: MPLX LP pays a 7.54% dividend while iShares Broad USD Investment Grade Corporate Bond pays none, and MPLX LP is trading nearer its 52-week high, iShares Broad USD Investment Grade Corporate Bond nearer its low. Which is the better fit depends on your goals.
| MPLX | USIG | |
|---|---|---|
Market Cap | $57.97B | — |
Sector | Technology | Fixed Income |
52-Week High | $59.17 | $52.69 |
52-Week Low | $47.80 | $50.50 |
Enterprise Value | $82.60B | — |
Dividend Yield | 7.54% | — |
Trailing returns across standard periods
Latest headlines on both assets
MPLX LP is a Master Limited Partnership (MLP) formed by Marathon Petroleum Corporation (MPC). It is a diversified, growth-oriented company primarily engaged in the gathering, processing, and transportation of natural gas and natural gas liquids (NGLs), as well as the transportation, storage, and distribution of crude oil and refined petroleum products. MPLX owns and operates a network of midstream energy infrastructure assets, providing essential services to the energy industry across the United States.
Read more on MPLX →USIG is a low-cost ETF providing broad exposure to over 11,000 U.S. investment-grade corporate bonds. It tracks the ICE BofA US Corporate Index, featuring high-quality debt from 2026 leaders like Citigroup, Bank of America, and Oracle.
Read more on USIG →