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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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MPLX

MPLX LP

Pipe Lines (No Natural Gas) · SIC 4610CIK 1552000Held by 9 tracked managersEDGAR filings ↗10-K/10-Q ↗

SHARE:XLINKEDINEMAIL

Shares held by quarter · Q1 2026–Q2 2026 (2 quarters stored)

Alps Advisors
Tortoise Capital Advisors
Kayne Anderson Capital Advisors
Chickasaw Capital Management
Brave Warrior Advisors

Stored snapshots only: quarters before the earliest stored filing are not shown, and the first stored quarter is not the start of any position.

Position history by manager

ManagerLatest sharesHistory
Alps AdvisorsQ2 202628.6MPosition history →
Tortoise Capital AdvisorsQ2 202610.5MPosition history →
Kayne Anderson Capital AdvisorsQ2 20265.9MPosition history →
Chickasaw Capital ManagementQ2 20265.2MPosition history →
Brave Warrior AdvisorsQ2 20263.2MPosition history →
Cushing Asset ManagementQ2 20261.6MPosition history →
Infrastructure Capital AdvisorsQ2 2026937KPosition history →
Appaloosa ManagementQ2 2026502KPosition history →
RR AdvisorsQ2 2026214KPosition history →