Who Owns MPC?

Marathon Petroleum Corporation — Institutional Ownership & 13F Holdings

EnergyNYSE

$233.50

+0.69 (+0.30%)

Market Cap

$68.5B

Shares Outstanding

300,602,456

Institutional Holders

1,526

Total Inst. Value

$21.5B

% of Float Held

79.7%

QoQ Holder Change

+447

Institutional data as of Q1 2025

New Positions

1,526

Closed Positions

0

Increased

0

Decreased

0

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1BlackRock, Inc.New$3.5B24,320,964
2WELLINGTON MANAGEMENT GROUP LLPNew$1.7B11,824,177
3GEODE CAPITAL MANAGEMENT, LLCNew$1.0B6,979,568
4MORGAN STANLEYNew$954.6M6,552,068
5RAYMOND JAMES FINANCIAL INCNew$879.6M6,037,532
6Boston PartnersNew$791.3M5,448,514
7DIMENSIONAL FUND ADVISORS LPNew$609.6M4,185,030
8NORTHERN TRUST CORPNew$551.2M3,783,566
9Pacer Advisors, Inc.New$510.3M3,502,372
10Invesco Ltd.New$487.4M3,345,471

Biggest Buyers & Sellers This Quarter

Top Buyers

FundShares AddedValue
BlackRock, Inc.New+24.3M$3.5B
WELLINGTON MANAGEMENT GROUP LLPNew+11.8M$1.7B
GEODE CAPITAL MANAGEMENT, LLCNew+7.0M$1.0B
MORGAN STANLEYNew+6.6M$954.6M
RAYMOND JAMES FINANCIAL INCNew+6.0M$879.6M

Top Sellers

FundShares RemovedValue

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Frequently Asked Questions

How many institutional investors hold MPC?

As of Q1 2025, 1526 institutional investors report holding MPC (Marathon Petroleum Corporation) in their 13F filings.

What percentage of Marathon Petroleum Corporation is owned by institutions?

Institutional investors hold approximately 79.7% of Marathon Petroleum Corporation's float as reported in SEC 13F filings.

Which hedge fund owns the most MPC?

The largest institutional holder of MPC is BlackRock, Inc. with $3.5B in shares.

Are institutions buying or selling MPC?

This quarter, 1526 institutions opened new positions in MPC and 0 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.