Who owns MPC
Institutions that file 13Fs hold 80% of the shares
Shares they hold, quarter on quarter
-0.8%
174 new, 578 added, 658 cut, 123 sold out
Top 10 holders
51%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 26.01M | $6.6B | 9.55% | Added +6.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 19.07M | $4.9B | 7.01% | Held |
| STATE STREET CORP | 18.47M | $4.7B | 6.78% | Reduced -2.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15.63M | $4.0B | 5.74% | Held |
| GEODE CAPITAL MANAGEMENT, LLC | 8.35M | $2.1B | 3.07% | Added +6.8% |
| MORGAN STANLEY | 5.89M | $1.5B | 2.16% | Reduced -3.1% |
| RAYMOND JAMES FINANCIAL INC | 5.68M | $1.5B | 2.09% | Reduced -1.5% |
| FMR LLC | 5.42M | $1.4B | 1.99% | Added +10.4% |
| Bank of New York Mellon Corp | 4.03M | $1.0B | 1.48% | Added +1.9% |
| Boston Partners | 3.52M | $905.8M | 1.29% | Reduced -37.8% |
| WELLINGTON MANAGEMENT GROUP LLP | 3.25M | $831.5M | 1.19% | Reduced -42.3% |
| NORTHERN TRUST CORP | 3.13M | $799.2M | 1.15% | Reduced -1.6% |
| DIMENSIONAL FUND ADVISORS LP | 3.06M | $781.5M | 1.12% | Reduced -1.0% |
| GOLDMAN SACHS GROUP INC | 2.88M | $737.5M | 1.06% | Added +4.7% |
| JPMORGAN CHASE & CO | 2.74M | $709.3M | 1.00% | Reduced -20.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.62M | $670.5M | 0.96% | Reduced -3.9% |
| NORGES BANK | 2.47M | $630.4M | 0.91% | New |
| BANK OF AMERICA CORP /DE/ | 2.43M | $621.8M | 0.89% | Reduced -6.3% |
| Invesco Ltd. | 2.34M | $598.5M | 0.86% | Reduced -17.2% |
| Amundi | 2.24M | $572.2M | 0.82% | Added +17.5% |
| AMERIPRISE FINANCIAL INC | 2.03M | $519.5M | 0.75% | Reduced -8.7% |
| UBS Group AG | 1.84M | $471.1M | 0.68% | Added +10.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.84M | $470K | 0.68% | Added +43.4% |
| VANGUARD FIDUCIARY TRUST CO | 1.66M | $424.2M | 0.61% | Held |
| Capital Wealth Planning, LLC | 1.58M | $403.4M | 0.58% | Reduced -3.9% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- NORGES BANK +2.47M, new
- BlackRock, Inc. +1.61M
- VICTORY CAPITAL MANAGEMENT INC +594K
- AMERICAN CENTURY COMPANIES INC +562K
- PRICE T ROWE ASSOCIATES INC /MD/ +557K
- GEODE CAPITAL MANAGEMENT, LLC +530K
- FMR LLC +509K
- AQR CAPITAL MANAGEMENT LLC +396K
- BNP PARIBAS FINANCIAL MARKETS +372K
- Amundi +333K
Sold the most shares
- HARRIS ASSOCIATES L P -2.58M
- WELLINGTON MANAGEMENT GROUP LLP -2.39M
- Boston Partners -2.13M
- JPMORGAN CHASE & CO -700K
- CANADA PENSION PLAN INVESTMENT BOARD -610K
- STATE STREET CORP -553K
- Invesco Ltd. -488K
- Holocene Advisors, LP -290K
- TWO SIGMA INVESTMENTS, LP -285K
- MARSHALL WACE, LLP -257K
Superinvestors
Superinvestors holding MPC
| Investor | Quarter | Shares | Value | % of portfolio | Last quarter |
|---|---|---|---|---|---|
| Bill Nygren Harris Associates (Oakmark) | Jun 30, 2026 | 229K | $58.6M | 0.08% | Reduced -91.8% |
More than 5%
13D filings: owners who may push for change
No Schedule 13D about MPC in the last year.