Marathon Petroleum Corp. 13F holders
Of the 44 funds followed here, 10 reported a position in Marathon Petroleum Corp. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 8.4 million shares worth $2.13 billion, 0.1% of its reported book. New this quarter: Alyeska.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 8,351,157 | $2.13 billion | 0.1% | +529,633 | added | 30 June 2026 | 13F |
| FMR LLC | 5,419,718 | $1.39 billion | 0.1% | +508,637 | added | 30 June 2026 | 13F |
| Norges Bank | 2,465,801 | $630.4 million | 0.1% | held | 30 June 2026 | 13F | |
| Two Sigma Investments | 1,311,141 | $335.2 million | 0.2% | -246,145 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 1,144,552 | $292.6 million | 0.0% | +169,992 | added | 30 June 2026 | 13F |
| Millennium Management | 516,385 | $132.0 million | 0.0% | -12,954 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 349,224 | $89.3 million | 0.4% | +271,941 | added | 30 June 2026 | 13F |
| Harris Associates | 229,011 | $58.6 million | 0.1% | -2,576,961 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 156,023 | $39.9 million | 0.0% | +108,223 | added | 30 June 2026 | 13F |
| Alyeska | 23,391 | $6.0 million | 0.0% | +23,391 | new | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 22.1 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 15.8 million | 5.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 27 August 2026 | 6,131 | $362.27 | SEC |
| 26 August 2026 | 85 | $354.88 | SEC |
| 24 August 2026 | 611 | $360.72 | SEC |
| 19 August 2026 | 5,609 | $366.21 | SEC |
| 18 August 2026 | 949 | $358.18 | SEC |
| 4 August 2026 | 42,326 | $307.03 | SEC |
| 3 August 2026 | 78 | $316.47 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 42,326 on 4 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to MPC by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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