MARATHON PETROLEUM CORP (MPC) Institutional Ownership and Insiders Activity
MARATHON PETROLEUM CORP (MPC) is widely held by institutional investors, with 4 tracked firms reporting positions valued at approximately $8.14M based on SEC Form 13F filings for the quarter ended March 31, 2026.
Sequoia Financial Advisors is the largest disclosed holder, reporting approximately $5.18M in MPC holdings in its latest filing.
Institutional ownership among tracked investors remains highly concentrated, with Sequoia Financial Advisors representing the majority of disclosed value.
Institutional Holders
4
Total Reported Value
$8.14M
Largest Holder
Sequoia Financial Advisors
Largest Position
$5.18M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
1
Funds Exiting Positions
0
Top Institutional Owners
View allInvestorReported Balance
- Sequoia Financial Advisors$5.18M
- Cullen Value Fund$2.42M
- Mairs & Power Growth Fund$339,410
- Matrix Advisors Value Fund$208,530
Related MPC Institutional Insights:
- MPC Institutional Ownership & Insiders Activity
- MPC Institutional Ownership & 13F Activity
- MPC Top Institutional Shareholders
- MPC Institutional Buying Activity
- MPC Institutional Selling Activity
- Energy Sector Institutional Ownership
- Energy Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Energy Stocks By Institutional Investors
- Most Sold Energy Stocks By Institutional Investors
- MPC Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings