Who owns MARATHON PETROLEUM?What is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
Institutions own 75.1% of MARATHON PETROLEUM's shares, through 2,014 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were BlackRock, Inc. (8.9%), Vanguard Capital Management LLC (6.6%), State Street Corp (6.3%).
- Institutions ownWhat is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
- 75.1%
- Institutional holders
- 2,014
- The 10 largest hold
- 38.4%
- Free floatWhat is free float? Free float is the part of a company's shares that anyone can buy and sell: all its shares minus those held by insiders, founders and owners of over 5%.
- 99.7%
- Holdings as of
- 30 Jun 2026
Who owns the shares
Shares free to trade
Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.
The largest shareholders
| # | Holder | Shares | Of the company | Value | Change last quarter (shares) |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 26,006,017 | 8.94% | 6.65B USD | +1,611,175 |
| 2 | Vanguard Capital Management LLC | 19,074,289 | 6.55% | 4.88B USD | -95,805 |
| 3 | State Street Corp | 18,471,905 | 6.26% | 4.72B USD | -553,115 |
| 4 | Vanguard Portfolio Management LLC | 15,631,265 | 5.37% | 4.00B USD | -40,848 |
| 5 | Geode Capital Management, LLC | 8,351,157 | 2.87% | 2.13B USD | +529,633 |
| 6 | Morgan Stanley | 5,887,382 | 2.02% | 1.51B USD | -186,161 |
| 7 | Raymond James Financial Inc | 5,684,963 | 1.95% | 1.45B USD | -88,806 |
| 8 | FMR LLC | 5,419,718 | 1.86% | 1.39B USD | +508,637 |
| 9 | Bank Of New York Mellon Corp | 4,027,107 | 1.38% | 1.03B USD | +73,789 |
| 10 | Boston Partners | 3,515,417 | 1.21% | 905.82M USD | -2,133,787 |
| 11 | Wellington Management Group LLP | 3,252,153 | 1.12% | 831.48M USD | -2,385,034 |
| 12 | Northern Trust Corp | 3,126,059 | 1.07% | 799.24M USD | -50,810 |
| 13 | Dimensional Fund Advisors LP | 3,056,082 | 1.05% | 781.45M USD | -31,900 |
| 14 | Goldman Sachs Group Inc | 2,884,591 | 0.99% | 737.50M USD | +129,748 |
| 15 | JPMorgan Chase & Co | 2,736,206 | 0.94% | 709.28M USD | -699,606 |
| 16 | Charles Schwab Investment Management Inc | 2,622,511 | 0.90% | 670.50M USD | -106,878 |
| 17 | Sixth Street Partners Management Company, L.P. | 2,622,511 | 0.90% | 670.50M USD | New position |
| 18 | Norges Bank | 2,465,801 | 0.85% | 630.43M USD | New position |
| 19 | Bank Of America Corp | 2,432,168 | 0.84% | 621.83M USD | -162,916 |
| 20 | Invesco Ltd. | 2,341,034 | 0.80% | 598.53M USD | -487,611 |
| 21 | Amundi | 2,237,930 | 0.77% | 572.17M USD | +332,551 |
| 22 | Ameriprise Financial Inc | 2,030,778 | 0.70% | 519.54M USD | -193,407 |
| 23 | UBS Group AG | 1,842,485 | 0.63% | 471.07M USD | +168,030 |
| 24 | Price T Rowe Associates Inc | 1,839,897 | 0.63% | 470.41M USD | +556,805 |
| 25 | Vanguard Fiduciary Trust Co | 1,659,223 | 0.57% | 424.21M USD | -1,663 |
All institutions last quarter
- Bought or added
- 1,028 · 174 new
- Sold or cut
- 852 · 123 sold out
- Net shares bought
- +549.00K · 140.36M USD
- Institutional ownership
- 73.9% → 75.1%
Biggest buyers last quarter
- Sixth Street Partners Management Company, L.P.New position
- Norges BankNew position
- BlackRock, Inc.+1,611,175
- Victory Capital Management Inc+593,529
- American Century Companies Inc+561,825
Biggest sellers last quarter
- Harris Associates L P-2,576,961
- Wellington Management Group LLP-2,385,034
- Boston Partners-2,133,787
- JPMorgan Chase & Co-699,606
- Canada Pension Plan Investment Board-610,078
From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.
Common questions about MARATHON PETROLEUM's shareholders
Source: Financial Modeling Prep
