Marathon Petroleum (MPC) insider trades, Congress trades and 13F ownership

OQRO

Marathon Petroleum (MPC) insider trades, Congress trades and 13F ownership | OQRO

Who owns it (13F)

As of Jun 30, 2026

Institutions reporting a stake, Q2 2026

1,942

+48 vs Q1 2026

Share of stock reported

78.0%

219M of 281M shares outstanding

Change vs Q1 2026

-4.4M shares

148 new positions, 96 positions closed

Reported in 13F filings, which cover managers over $100M and include double counting. A 13F shows holdings on the last day of the quarter, not when shares were bought or sold. Change counts the 1,912 managers that reported both quarters.

Largest reported holders, Q2 2026

1BlackRock, Inc. Added (+1.61M shares)26M sh · $6.65B11.9% of reported
2Vanguard Capital Management Llc About the same19.1M sh · $4.88B8.7% of reported
3State Street Corp Trimmed (-553K shares)18.5M sh · $4.72B8.4% of reported
4Vanguard Portfolio Management Llc About the same15.6M sh · $4B7.1% of reported
5Geode Capital Management, Llc Added (+530K shares)8.35M sh · $2.13B3.8% of reported
6Morgan Stanley Trimmed (-186K shares)5.89M sh · $1.51B2.7% of reported
7Raymond James Financial Inc Trimmed (-89K shares)5.68M sh · $1.45B2.6% of reported
8Fmr Llc Added (+509K shares)5.42M sh · $1.39B2.5% of reported
9Bank of New York Mellon Corp Added (+74K shares)4.03M sh · $1.03B1.8% of reported
10Boston Partners Trimmed (-2.13M shares)3.52M sh · $906M1.6% of reported
11Wellington Management Group Llp Trimmed (-2.39M shares)3.25M sh · $831M1.5% of reported
12Northern Trust Corp Trimmed (-51K shares)3.13M sh · $799M1.4% of reported
13Dimensional Fund Advisors Lp Trimmed (-32K shares)3.06M sh · $781M1.4% of reported
14Goldman Sachs Group Inc Added (+130K shares)2.88M sh · $738M1.3% of reported
15Jpmorgan Chase & Co Trimmed (-700K shares)2.74M sh · $709M1.3% of reported
16Charles Schwab Investment Management Inc Trimmed (-107K shares)2.62M sh · $670M1.2% of reported
17Norges Bank No comparable report last quarter2.47M sh · $630M1.1% of reported
18Bank Of America Corp /De/ Trimmed (-163K shares)2.43M sh · $622M1.1% of reported
19Invesco Ltd. Trimmed (-488K shares)2.34M sh · $599M1.1% of reported
20Amundi Added (+333K shares)2.24M sh · $572M1.0% of reported

Source: SEC Form 13F data sets, every filer, common stock only (options and bonds left out); 27 managers also reported puts and 31 managers calls. Amendments are applied; lines whose value was filed in thousands are scaled, and lines whose shares and value disagree are left out.

Marathon Petroleum

Fund holdings · 1

349KShares reported · +272K vs prior quarter

Who owns it (13F)

Largest reported holders, Q2 2026