Latest Period
Q2 2026
Security Snapshot
Marathon Petroleum Corp - Common Stock (MPC) Institutional Ownership
CUSIP: 56585A102
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
1,943
Shares (Excl. Options)
218,969,973
Price
$255.67
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- Security type / class
- Equity / Common Stock
- Symbol
- MPC on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 218,969,973
- Total 13F value
- $55,996,277,033
- Portfolio coverage rank
- 0.04%
- Share change
- -2,438,469
- Value change
- -$622,455,935
- Number of holders
- 1,943
- Shares outstanding
- 294,515,519
- SEC-reported price per share
- $307.03
- Insider filing price
- $307.03
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MPC - Marathon Petroleum Corp - Common Stock is tracked under CUSIP 56585A102.
- 1943 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1,892 to 1,943 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $53,914,899,587 to $55,996,277,033.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 1943 institutions filings for Q2 2026.
Security key
56585A102
Latest holder period
Q2 2026
13F holders
1,943
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
MPC full holder history
Marathon Petroleum Corp SEC filings
Marathon Petroleum Corp company facts
Marathon Petroleum Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 56585A102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
MPC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $5,407,992,910 | 22,147,567 | Vanguard Capital Management | 31 Mar 2026 | |||
| BlackRock, Inc. | 6.8% | $2,894,576,148 | 21,060,653 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4% | $3,849,562,652 | 15,765,266 | Vanguard Portfolio Management | 31 Mar 2026 |
As of 30 Jun 2026, 1,943 institutional investors reported holding 218,969,973 shares of Marathon Petroleum Corp - Common Stock (MPC). This represents 74% of the company’s total 294,515,519 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
50%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.8% | 26,006,017 | +6.6% | 0.1% | $6,648,958,398 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 19,074,289 | -0.5% | 0.1% | $4,876,723,468 |
| STATE STREET CORP | 6.3% | 18,471,905 | -2.9% | 0.14% | $4,722,711,951 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.3% | 15,631,265 | -0.26% | 0.18% | $3,996,445,522 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 8,351,157 | +6.8% | 0.11% | $2,127,262,888 |
| MORGAN STANLEY | 2% | 5,887,382 | -3.1% | 0.08% | $1,505,227,534 |
| RAYMOND JAMES FINANCIAL INC | 1.9% | 5,684,963 | -1.5% | 0.39% | $1,453,474,692 |
| FMR LLC | 1.8% | 5,419,718 | +10% | 0.06% | $1,385,659,271 |
| Bank of New York Mellon Corp | 1.4% | 4,027,107 | +1.9% | 0.17% | $1,029,610,547 |
| Boston Partners | 1.2% | 3,515,417 | -38% | 0.8% | $905,824,428 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.1% | 3,252,153 | -42% | 0.14% | $831,477,956 |
| NORTHERN TRUST CORP | 1.1% | 3,126,059 | -1.6% | 0.09% | $799,239,505 |
| DIMENSIONAL FUND ADVISORS LP | 1% | 3,056,082 | -1% | 0.14% | $781,452,353 |
| GOLDMAN SACHS GROUP INC | 0.98% | 2,884,591 | +4.7% | 0.08% | $737,503,289 |
| JPMORGAN CHASE & CO | 0.93% | 2,736,206 | -20% | 0.04% | $709,279,688 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.89% | 2,622,511 | -3.9% | 0.09% | $670,497,388 |
| NORGES BANK | 0.84% | 2,465,801 | 0.06% | $630,431,342 | |
| BANK OF AMERICA CORP /DE/ | 0.83% | 2,432,168 | -6.3% | 0.04% | $621,832,369 |
| Invesco Ltd. | 0.79% | 2,341,034 | -17% | 0.05% | $598,532,172 |
| Amundi | 0.76% | 2,237,930 | +17% | 0.14% | $572,171,564 |
| AMERIPRISE FINANCIAL INC | 0.69% | 2,030,778 | -8.7% | 0.11% | $519,537,399 |
| UBS Group AG | 0.63% | 1,842,485 | +10% | 0.07% | $471,068,140 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.62% | 1,839,897 | +43% | 0.05% | $470,407,000 |
| VANGUARD FIDUCIARY TRUST CO | 0.56% | 1,659,223 | -0.1% | 0.09% | $424,213,544 |
| Capital Wealth Planning, LLC | 0.54% | 1,577,970 | -3.9% | 2% | $403,439,711 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 218,969,973 | $55,996,277,033 | -$622,455,935 | $255.67 | 1,943 |
| 2026 Q1 | 220,978,588 | $53,914,899,587 | -$35,664,587 | $244.18 | 1,892 |
| 2025 Q4 | 223,562,469 | $36,382,610,873 | +$472,877,041 | $162.63 | 1,670 |
| 2025 Q3 | 219,753,760 | $42,349,840,058 | -$2,135,978,634 | $192.74 | 1,641 |
| 2025 Q2 | 231,469,748 | $38,458,052,075 | +$659,981,643 | $166.11 | 1,548 |
| 2025 Q1 | 228,110,414 | $33,170,216,830 | -$526,597,062 | $145.69 | 1,537 |
| 2024 Q4 | 231,874,041 | $32,358,584,083 | -$804,281,636 | $139.50 | 1,539 |
| 2024 Q3 | 236,403,138 | $38,499,733,850 | -$1,870,248,982 | $162.91 | 1,559 |
| 2024 Q2 | 249,693,244 | $43,321,960,269 | -$2,046,871,803 | $173.48 | 1,630 |
| 2024 Q1 | 261,077,689 | $52,583,780,379 | -$2,905,300,884 | $201.50 | 1,658 |
| 2023 Q4 | 276,487,624 | $41,038,572,769 | -$1,981,564,851 | $148.36 | 1,540 |
| 2023 Q3 | 289,005,292 | $43,731,370,096 | -$2,125,583,159 | $151.34 | 1,458 |
| 2023 Q2 | 303,019,033 | $35,375,550,926 | -$2,953,338,457 | $116.60 | 1,333 |
| 2023 Q1 | 327,340,923 | $44,119,460,202 | -$3,116,743,685 | $134.83 | 1,416 |
| 2022 Q4 | 352,425,249 | $41,021,602,095 | -$1,319,686,033 | $116.39 | 1,374 |
| 2022 Q3 | 364,067,617 | $36,199,429,037 | -$2,911,116,961 | $99.33 | 1,276 |
| 2022 Q2 | 392,632,598 | $32,296,173,055 | -$2,238,850,317 | $82.21 | 1,219 |
| 2022 Q1 | 422,110,713 | $36,083,028,518 | -$2,103,436,544 | $85.50 | 1,169 |
| 2021 Q4 | 450,287,328 | $28,848,441,359 | -$1,861,584,179 | $63.99 | 1,073 |
| 2021 Q3 | 478,685,136 | $29,573,864,251 | -$591,575,763 | $61.81 | 984 |
| 2021 Q2 | 488,485,234 | $29,488,531,927 | -$826,647,167 | $60.42 | 987 |
| 2021 Q1 | 504,380,835 | $26,967,886,356 | +$625,444,828 | $53.49 | 959 |
| 2020 Q4 | 495,863,596 | $20,499,413,041 | +$465,222,363 | $41.36 | 879 |
| 2020 Q3 | 485,878,554 | $14,248,684,203 | -$15,020,124 | $29.34 | 823 |
| 2020 Q2 | 482,820,936 | $18,025,723,188 | +$89,853,067 | $37.38 | 901 |