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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MPLX

MPLX LP

Superinvestors

Institutional investors holding MPLX

Consensus →
InvestorFundWeightSharesValueQuarter
Glenn GreenbergBrave Warrior Advisors4.60%3,253,524$185.7M2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.00%403$14K2016Q3
Kenneth FisherFisher Asset Management0.00%5,981$286K2024Q4

Congressional Activity

Congressional data coming soon

Insider Activity

16

Total trades

$42K

Volume

2

Buys

14

Sells

Last trade: May 15, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 15, 2026Christine S BrevesBuy–
Apr 30, 2026Christine S BrevesBuy–

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.